In industrial valve selection, material quality is critical. Understanding the characteristics of each material helps engineers and buyers make the best decisions. Forged Steel Valve A105N is widely recognized in the industry for its excellent performance and reliability. This guide will give you a detailed overview of A105N material, so you can understand its applications and advantages.
Forged Steel Valve A105N is made from ASTM A105 carbon steel and is normalized to improve its mechanical properties. This material is widely used in manufacturing a broad range of forged steel valves, including gate, globe, and check valves. These valves are essential in various industries such as oil and gas, refinery, and petrochemical. It is suitable for high-temperature and high-pressure environments, and it offers excellent durability and strength. Compared to cast steel valves, which are made by pouring liquid metal into molds to create various sizes and complex shapes, forged valves are particularly suited for high-temperature and high-pressure applications due to their superior mechanical properties.
Let’s explore the details of A105N material and its performance in different industrial applications.
What is A105N Material?
A105N is a carbon steel forging material that is widely used in manufacturing industrial valves and piping components. It has excellent mechanical properties and durability, making it suitable for high-temperature and high-pressure environments.
ASTM A105/A105N Chemical Composition
| Element | Composition (wt%) |
| Carbon (C) | 0.35 max |
| Manganese (Mn) | 0.60-1.05 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.10-0.35 |
| Copper (Cu) | 0.40 max |
| Nickel (Ni) | 0.40 max |
| Chromium (Cr) | 0.30 max |
| Molybdenum (Mo) | 0.12 max |
| Vanadium (V) | 0.08 max |
Additional Information on ASTM A105/A105N
- Carbon (C): Adds hardness and strength.
- Manganese (Mn): Enhances hardenability and tensile strength.
- Phosphorus (P) and Sulfur (S): Typically impurities; low levels help maintain ductility and toughness.
- Silicon (Si): Improves strength.
- Copper (Cu), Nickel (Ni), Chromium (Cr), Molybdenum (Mo), Vanadium (V): These alloying elements enhance strength, hardness, and resistance to wear and corrosion.
A105 Ball Valve
A105N ball valves are an industrial valve made from forged carbon steel, which is designated as ASTM A105N. The “N” in A105N means that the steel is normalized. Normalizing is a heat treatment process that improves the mechanical properties of the steel, making it tougher and more durable. A105N ball valves are used in many industries including oil and gas, petrochemical, power generation, and water treatment.
Here are some key features of A105N ball valves
- Material Properties: ASTM A105N material is suitable for high-temperature and high-pressure applications. The normalization process makes it especially good for applications where you have thermal cycling and stress.
- Applications: These valves are used in the oil and gas industry, water management, chemical processing, and power generation. They’re robust enough to be used in both upstream and downstream applications.
- Temperature and Pressure Ratings: A105N ball valves typically handle high pressures and temperatures. They can handle temperatures up to 800 degrees Fahrenheit, depending on the valve design and construction.
- Types of Connections: You can get these valves with different types of end connections such as flanged, butt-weld, socket-weld, and threaded. This makes them versatile for different piping systems.
- Configuration Options: They come in different configurations such as full port and reduced port. This allows you to control flow rates and pressure drops based on your system requirements.
- Operational Modes: A105N ball valves can be operated manually with handles or gear units. They can also be automated with actuators depending on the installation and operational requirements.
A105 Gate Valve
The A105 Gate Valve is a critical component in industrial piping systems that provides reliable isolation in a wide range of applications. These forged steel gate valves are made from ASTM A105 carbon steel and are forged to provide excellent mechanical properties and durability. They are normalized to enhance their performance and make them suitable for high-temperature and high-pressure condition. A105 gate valves are designed to either fully open or fully close the flow of fluid, providing a tight seal when closed and minimal flow resistance when open. They are built to last and provide long-term service in demanding conditions.
Product Name: API602 forged gate valve threaded ends
| SIZE RANGE | 1/4” – 2” |
| PRESSURE RANGE | Class 800 to Class 1500 |
| MATERIAL GRADES | ASTM A105N & A350 LF2 |
| END CONFIGURATION | Threaded, Socket Weld, Threaded X Socket Weld |
| PORTS | Standard & Full Port |
| BONNET DESIGN | Bolted Bonnet & Welded Bonnet |
| TRIMS | Trim 5, 8, 12, 16, and Special Materials |
| FEATURES | NACE Compliant, OS&Y, Rising Stem, Solid Wedge, Graphite Packing and Gasket, (Low Fugitive Emission) |
Product Name: aPI602 forged gate valve flanged ends
| SIZE RANGE | 1/2” – 2” |
| PRESSURE RANGE | Class 150 to Class600 |
| MATERIAL GRADES | ASTM A105N & A350 LF2 |
| ENDS CONFIGURATION | Raised Face, RTJ |
| PORTS | Standard & Full Port |
| BONNET DESIGN | Bolted Bonnet & Welded Bonnet |
| TRIMS | Trim 5, 8, 12, 16, and Special Materials |
| FEATURES | NACE Compliant, OS&Y, Rising Stem, Solid Wedge, Graphite Packing and Gasket, (Low Fugitive Emission) |
A105 Globe Valve
The A105 Globe Valve is a type of forged valve used extensively in industrial applications where precise flow control is required. These valves are made from ASTM A105 carbon steel and benefit from the forging and normalization processes, which improve their strength and durability. Globe valves are designed to control flow by moving a disk or plug in and out of the flow path. This allows for fine control over the fluid flow, making A105 globe valves perfect for applications that require precise flow control. They are built to last and perform well in a variety of industries, including oil and gas, petrochemical, and power generation.
A105 Check Valve
The A105 Check Valve is designed to allow fluid flow in one direction while preventing backflow, which protects pumps and compressors in industrial systems. These valves are made from ASTM A105 carbon steel, which is forged and normalized to provide superior strength and increased durability. A105 check valves are critical in systems where backflow could cause damage or reduce efficiency. They automatically close when the flow reverses, preventing any backward movement of fluid. The reliable performance and sturdy construction of A105 check valves make them an essential component in a wide range of industrial applications, including chemical processing, oil and gas, and water treatment.
Product Name: A105N forged steel check valve threaded & socket weld
| SIZE RANGE | 1/4” – 2” |
| PRESSURE RANGE | Class 800 to Class 1500 |
| MATERIAL GRADES | ASTM A105N & A350 LF2 |
| END CONFIGURATION | Threaded, Socket Weld, Threaded X Socket Weld |
| PORTS | Standard & Full Port |
| BONNET DESIGN | Bolted Bonnet & Welded Bonnet |
| TRIMS | Trim 5, 8, 12, 16, and Special Materials |
| FEATURES | NACE Compliant, Graphite Gasket, (Low Fugitive Emission) |
Product Name: A105N forged steel check valve Flanged
| Size Range | 1/2″ – 2″ |
| Pressure Range | Class 150, Class 300, Class 600 |
| Material Grades | ASTM A105N & A350 LF2 |
| End Configuration | Raised Face, RTJ |
| Ports | Standard & Full Port |
| Bonnet Design | Bolted Bonnet & Welded Bonnet |
| Trims | Trim 5, 8, 12, 16, and Special Materials |
| Features | NACE Compliant, Graphite Packing and Gasket, (Low Fugitive Emission) |
A105 Control Valve
The A105 Control Valve is a critical component in industrial systems that regulates process variables such as flow, pressure, temperature, and liquid level. These control valves are made from ASTM A105 carbon steel and are forged to withstand high pressures and temperatures. The forging process uses mechanical forces to form the metal into the desired shape, enhancing durability, corrosion resistance, and tensile strength. The normalization process further improves their mechanical properties, ensuring they perform reliably and accurately. A105 control valves are designed to modulate the flow of fluids based on the control signal they receive, giving you precise control over your industrial processes. They are built to last and provide precise control in demanding applications across a variety of industries.
Wall Thickness of A105 Valves
Measuring the wall thickness of A105 valves is important to make sure they will be safe to operate under specific pressure and temperature conditions. Here are the methods and standards we use to determine the wall thickness of A105 valves.
1. Use the Relevant Standards
The wall thickness of valves is usually determined based on international standards such as:
ANSI/ASME B16.34: This standard gives you all the details you need for the design, materials, manufacturing, testing, and inspection of valves, including how to calculate the wall thickness.
API 602: This standard applies to small diameter forged steel valves and covers different types of connections, including BSP or NPT threaded connections, as well as socket weld (SW) connections.
2. Design Pressure and Temperature
To determine the wall thickness of the valve, you need to know the design pressure and temperature. You choose the pressure rating (e.g., 150, 300, 600, 800, 1500, 2500) based on the working conditions, and then you look at the corresponding minimum wall thickness requirements in the relevant standards.
3. Material Properties
The properties of ASTM A105 carbon steel also impact the choice of wall thickness. You need to make sure the material has enough strength and toughness under the expected temperature and pressure conditions.
4. Actual Measurement
For valves that have already been manufactured, you can use the following methods to measure the actual wall thickness:
Ultrasonic Thickness Gauge: This is a non-destructive testing method that uses an ultrasonic probe to measure the wall thickness directly.
Caliper or Micrometer: For smaller valves or accessible parts, you can use precision measuring tools to measure the wall thickness directly.
5. Test and Inspection Of the minimum wall thickness
The following is the ASME B16.34 Standard for each size of valve.
ASME-B16.34 Table 3-A Valve Body Minimum Wall Thickness, t𝑚
Here is the table for Valve Body Minimum Wall Thickness, 𝑡𝑚, according to ASME B16.34, up to a diameter of 1300 mm.
| Inside Diameter d (mm) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 3 | 2.5 | 2.5 | 2.8 | 2.8 | 3.1 | 3.6 | 4.9 |
| 6 | 2.7 | 2.7 | 3 | 3.1 | 3.5 | 4.2 | 6.5 |
| 9 | 2.8 | 2.9 | 3.2 | 3.4 | 3.8 | 4.9 | 8 |
| 12 | 2.9 | 3 | 3.4 | 3.7 | 4.2 | 5.6 | 9.6 |
| 15 | 3.1 | 3.3 | 3.6 | 4.2 | 4.8 | 6.6 | 12 |
| 18 | 3.3 | 3.5 | 3.9 | 4.7 | 5.3 | 7.7 | 14.3 |
| 21 | 3.5 | 3.7 | 4.2 | 5.2 | 5.9 | 8.7 | 16.7 |
| 24 | 3.7 | 4 | 4.4 | 5.7 | 6.4 | 9.7 | 19 |
| 27 | 3.9 | 4.3 | 4.8 | 6.3 | 7.2 | 11.1 | 22.2 |
| 31 | 4.3 | 4.7 | 5.1 | 6.6 | 8.1 | 12.8 | 26.1 |
| 35 | 4.6 | 5.1 | 5.4 | 6.9 | 9 | 14.5 | 30 |
| 40 | 4.9 | 5.5 | 5.7 | 7.2 | 9.9 | 16.2 | 33.9 |
| 45 | 5.2 | 5.9 | 6 | 7.5 | 10.8 | 17.9 | 37.9 |
| 50 | 5.5 | 6.3 | 6.3 | 7.8 | 11.8 | 19.6 | 41.8 |
| 55 | 5.6 | 6.5 | 6.3 | 8.3 | 12.7 | 21.3 | 45.7 |
| 60 | 5.7 | 6.6 | 6.6 | 8.8 | 13.6 | 23 | 49.6 |
| 65 | 5.8 | 6.8 | 6.9 | 9.3 | 14.5 | 24.7 | 53.6 |
| 70 | 5.9 | 6.9 | 7.3 | 9.9 | 15.5 | 26.4 | 57.5 |
| 75 | 6 | 7.1 | 7.6 | 10.4 | 16.4 | 28.1 | 61.4 |
| 80 | 6.1 | 7.2 | 8 | 10.9 | 17.3 | 29.8 | 65.3 |
| 85 | 6.2 | 7.4 | 8.3 | 11.4 | 18.2 | 31.5 | 69.3 |
| 90 | 6.3 | 7.5 | 8.7 | 12 | 19.2 | 33.3 | 73.2 |
| 95 | 6.4 | 7.7 | 9 | 12.5 | 20.1 | 35 | 77.1 |
| 100 | 6.5 | 7.8 | 9.4 | 13 | 21 | 36.7 | 81.0 |
| Inside Diameter d (mm) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 110 | 6.5 | 8 | 10 | 14 | 22.8 | 40 | 88.9 |
| 120 | 6.7 | 8.3 | 10.7 | 15.1 | 24.7 | 43.4 | 96.7 |
| 130 | 6.8 | 8.7 | 11.4 | 16.1 | 26.5 | 46.9 | 104.6 |
| 140 | 7 | 9 | 12 | 17.2 | 28.4 | 50.3 | 112.4 |
| 150 | 7.1 | 9.3 | 12.7 | 18.2 | 30.2 | 53.7 | 120.3 |
| 160 | 7.3 | 9.7 | 13.4 | 19.3 | 32 | 57.1 | 128.1 |
| 170 | 7.5 | 10 | 14.1 | 20.3 | 33.9 | 60.5 | 136 |
| 180 | 7.6 | 10.3 | 14.7 | 21.3 | 35.7 | 63.9 | 143.8 |
| 190 | 7.8 | 10.7 | 15.4 | 22.4 | 37.6 | 67.3 | 151.7 |
| 200 | 8 | 11 | 16.1 | 23.4 | 39.4 | 70.7 | 159.5 |
| 210 | 8.1 | 11.3 | 16.8 | 24.5 | 41.3 | 74.1 | 167.4 |
| 220 | 8.3 | 11.7 | 17.4 | 25.5 | 43.1 | 77.5 | 175.2 |
| 230 | 8.4 | 12 | 18.1 | 26.6 | 45 | 80.9 | 183.1 |
| 240 | 8.6 | 12.3 | 18.8 | 27.6 | 46.8 | 84.4 | 190.9 |
| 250 | 8.8 | 12.7 | 19.5 | 28.7 | 48.6 | 87.8 | 198.8 |
| 260 | 8.9 | 13 | 20.2 | 29.7 | 50.5 | 91.2 | 206.6 |
| 270 | 9.1 | 13.3 | 20.8 | 30.8 | 52.3 | 94.6 | 214.5 |
| 280 | 9.3 | 13.7 | 21.5 | 31.8 | 54.2 | 98 | 222.3 |
| 290 | 9.4 | 14 | 22.2 | 32.8 | 56 | 101.4 | 230.2 |
| 300 | 9.6 | 14.3 | 22.9 | 33.9 | 57.9 | 104.8 | 238 |
| 310 | 9.8 | 14.7 | 23.5 | 34.9 | 59.7 | 108.2 | 245.9 |
| Inside Diameter d (mm) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 320 | 9.9 | 15 | 24.2 | 36 | 61.6 | 111.6 | 253.7 |
| 330 | 10.1 | 15.3 | 24.9 | 37 | 63.4 | 115 | 261.6 |
| 340 | 10.2 | 15.7 | 25.6 | 38.1 | 65.2 | 118.4 | 269.4 |
| 350 | 10.4 | 16 | 26.3 | 39.1 | 67.1 | 121.9 | 277.2 |
| 360 | 10.6 | 16.3 | 26.9 | 40.2 | 68.9 | 125.3 | 285.1 |
| 370 | 10.7 | 16.7 | 27.6 | 41.2 | 70.8 | 128.7 | 292.9 |
| 380 | 10.9 | 17 | 28.3 | 42.2 | 72.6 | 132.1 | 300.8 |
| 390 | 11.1 | 17.3 | 29 | 43.3 | 74.5 | 135.5 | 308.6 |
| 400 | 11.2 | 17.7 | 29.6 | 44.3 | 76.3 | 138.9 | 316.5 |
| 410 | 11.4 | 18 | 30.3 | 45.4 | 78.2 | 142.3 | 324.3 |
| 420 | 11.5 | 18.3 | 31 | 46.4 | 80 | 145.7 | 332.2 |
| 430 | 11.7 | 18.7 | 31.7 | 47.5 | 81.8 | 149.1 | 340 |
| 440 | 11.9 | 19 | 32.4 | 48.5 | 83.7 | 152.5 | 347.9 |
| 450 | 12 | 19.4 | 33 | 49.6 | 85.5 | 155.9 | 355.7 |
| 460 | 12.2 | 19.7 | 33.7 | 50.6 | 87.4 | 159.4 | 363.6 |
| 470 | 12.4 | 20 | 34.4 | 51.7 | 89.2 | 162.8 | 371.4 |
| 480 | 12.5 | 20.4 | 35.1 | 52.1 | 91.1 | 166.2 | 379.3 |
| 490 | 12.7 | 20.7 | 35.7 | 53.7 | 92.9 | 169.6 | 387.1 |
| 500 | 12.9 | 21 | 36.4 | 54.8 | 94.8 | 173 | 395 |
| 510 | 13 | 21.4 | 37.1 | 55.8 | 96.6 | 176.4 | 402.8 |
| 520 | 13.2 | 21.7 | 37.8 | 56.9 | 98.4 | 179.8 | 410.7 |
| 530 | 13.3 | 22 | 38.5 | 57.9 | 100.3 | 183.2 | 418.5 |
| 540 | 13.5 | 22.4 | 39.1 | 59 | 102.1 | 186.6 | 426.4 |
| 550 | 13.7 | 22.7 | 39.8 | 60 | 104 | 190 | 434.2 |
| 560 | 13.8 | 23 | 40.5 | 61.1 | 105.8 | 193.4 | 442.1 |
| Inside Diameter d (mm) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 570 | 14 | 23.4 | 41.2 | 62.1 | 107.7 | 196.9 | 449.9 |
| 580 | 14.2 | 23.7 | 41.8 | 63.1 | 109.5 | 200.3 | 457.8 |
| 590 | 14.3 | 24 | 42.5 | 64.2 | 111.4 | 203.7 | 465.6 |
| 600 | 14.5 | 24.4 | 43.2 | 65.2 | 113.2 | 207.1 | 473.5 |
| 610 | 14.6 | 24.7 | 43.9 | 66.3 | 115 | 210.5 | 481.3 |
| 620 | 14.8 | 25 | 44.6 | 67.3 | 116.9 | 213.9 | 489.2 |
| 630 | 15 | 25.4 | 45.2 | 68.4 | 118.7 | 217.3 | 497 |
| 640 | 15.1 | 25.7 | 45.9 | 69.4 | 120.6 | 220.7 | 504.9 |
| 650 | 15.3 | 26 | 46.6 | 70.5 | 122.4 | 224.1 | 512.7 |
| 660 | 15.5 | 26.4 | 47.3 | 71.5 | 124.3 | 227.5 | 520.6 |
| 670 | 15.6 | 26.7 | 47.9 | 72.5 | 126.1 | 230.9 | 528.4 |
| 680 | 15.8 | 27 | 48.6 | 73.6 | 128 | 234.4 | 536.3 |
| 690 | 15.9 | 27.4 | 49.3 | 74.6 | 129.8 | 237.8 | 544.1 |
| 700 | 16.1 | 27.7 | 50 | 75.7 | 131.6 | 241.2 | 552 |
| 710 | 16.3 | 28 | 50.7 | 76.1 | 133.5 | 244.6 | 559.8 |
| 720 | 16.4 | 28.4 | 51.3 | 77.8 | 135.3 | 248 | 567.7 |
| 730 | 16.6 | 28.7 | 52 | 78.8 | 137.2 | 251.4 | 575.5 |
| 740 | 16.8 | 29 | 52.7 | 79.9 | 139 | 254.8 | 583.4 |
| 750 | 16.9 | 29.4 | 53.4 | 80.9 | 140.9 | 258.2 | 591.2 |
| 760 | 17.1 | 29.7 | 54 | 82 | 142.7 | 261.6 | 599 |
| Inside Diameter ddd (mm) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 770 | 17.3 | 30 | 54.7 | 83 | 144.6 | 265 | 606.9 |
| 780 | 17.4 | 30.4 | 55.4 | 84 | 146.4 | 268.4 | 614.7 |
| 790 | 17.7 | 30.7 | 56.1 | 85.1 | 148.2 | 271.8 | 622.6 |
| 800 | 17.7 | 31 | 56.8 | 86.1 | 150.1 | 275.3 | 630.4 |
| 820 | 18.1 | 31.7 | 58.1 | 88.2 | 153.8 | 282.1 | 646.1 |
| 840 | 18.4 | 32.4 | 59.5 | 90.3 | 157.5 | 288.9 | 661.8 |
| 860 | 18.7 | 33 | 60.8 | 92.4 | 161.1 | 295.7 | 677.5 |
| 880 | 19 | 33.7 | 62.2 | 94.5 | 164.8 | 302.5 | 693.2 |
| 900 | 19.4 | 34.4 | 63.5 | 96.6 | 168.5 | 309.4 | 708.9 |
| 920 | 19.7 | 35 | 64.9 | 98.7 | 172.2 | 316.2 | 724.6 |
| 940 | 20 | 35.7 | 66.2 | 100.8 | 175.9 | 323 | 740.3 |
| 960 | 20.3 | 36.4 | 67.6 | 102.9 | 179.6 | 329.6 | 756 |
| 980 | 20.7 | 37.1 | 69 | 104.9 | 183.3 | 336.6 | 771.7 |
| 1000 | 21 | 37.7 | 70.3 | 107 | 187 | 343.5 | 787.4 |
| 1020 | 21.3 | 38.4 | 71.7 | 109.1 | 190.7 | 350.3 | 803.1 |
| 1040 | 21.7 | 39.1 | 73 | 111.2 | 194.3 | 357.1 | 818.8 |
| 1060 | 22 | 39.7 | 74.4 | 113.3 | 198 | 363.9 | 834.5 |
| 1080 | 22.3 | 40.4 | 75.7 | 115.4 | 201.7 | 370.7 | 850.2 |
| 1100 | 22.6 | 41.1 | 77.1 | 117.5 | 205.4 | 377.5 | 865.9 |
| 1120 | 23 | 41.7 | 78.4 | 119.6 | 209.1 | 384.4 | 881.6 |
| 1140 | 23.3 | 42.4 | 79.8 | 121.7 | 212.8 | 391.2 | 897.3 |
| 1160 | 23.6 | 43.1 | 81.2 | 123.7 | 216.5 | 398 | 913 |
| 1180 | 23.9 | 43.7 | 82.5 | 125.8 | 220.2 | 404.8 | 928.7 |
| 1200 | 24.3 | 44.4 | 83.9 | 127.9 | 223.9 | 411.6 | 944.4 |
| 1220 | 24.6 | 45.1 | 85.2 | 130 | 227.5 | 418.5 | 960.1 |
| 1240 | 24.9 | 45.7 | 86.6 | 132.1 | 231.2 | 425.3 | 975.8 |
| 1260 | 25.2 | 46.4 | 87.9 | 134.2 | 234.9 | 432.1 | 991.5 |
| 1280 | 25.5 | 47.1 | 89.3 | 136.3 | 238.6 | 438.9 | 1007.2 |
| 1300 | 25.9 | 47.7 | 90.6 | 138.4 | 242.3 | 445.7 | 1022.9 |
ASME-B16.34 Table 3-B Valve Body Minimum Wall Thickness, t𝑚
| Inside Diameter d (in) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 0.12 | 0.1 | 0.1 | 0.11 | 0.11 | 0.12 | 0.14 | 0.19 |
| 0.25 | 0.11 | 0.11 | 0.12 | 0.12 | 0.13 | 0.15 | 0.3 |
| 0.37 | 0.12 | 0.12 | 0.13 | 0.13 | 0.15 | 0.17 | 0.39 |
| 0.44 | 0.12 | 0.12 | 0.13 | 0.14 | 0.16 | 0.18 | 0.45 |
| 0.5 | 0.12 | 0.12 | 0.13 | 0.15 | 0.17 | 0.19 | 0.49 |
| 0.56 | 0.13 | 0.13 | 0.15 | 0.18 | 0.2 | 0.29 | 0.54 |
| 0.62 | 0.13 | 0.14 | 0.16 | 0.19 | 0.21 | 0.31 | 0.59 |
| 0.69 | 0.14 | 0.14 | 0.17 | 0.2 | 0.23 | 0.34 | 0.64 |
| 0.75 | 0.14 | 0.15 | 0.17 | 0.21 | 0.24 | 0.36 | 0.69 |
| 0.87 | 0.15 | 0.16 | 0.18 | 0.23 | 0.26 | 0.4 | 0.78 |
| 1 | 0.16 | 0.17 | 0.19 | 0.25 | 0.28 | 0.44 | 0.88 |
| 1.12 | 0.16 | 0.18 | 0.2 | 0.26 | 0.31 | 0.48 | 0.98 |
| 1.25 | 0.17 | 0.19 | 0.21 | 0.27 | 0.33 | 0.53 | 1.08 |
| 1.37 | 0.18 | 0.2 | 0.22 | 0.27 | 0.35 | 0.57 | 1.18 |
| 1.5 | 0.19 | 0.21 | 0.22 | 0.28 | 0.38 | 0.61 | 1.28 |
| 1.87 | 0.21 | 0.24 | 0.24 | 0.3 | 0.44 | 0.74 | 1.57 |
| 2 | 0.22 | 0.25 | 0.25 | 0.31 | 0.47 | 0.78 | 1.67 |
| 2.25 | 0.23 | 0.26 | 0.26 | 0.34 | 0.51 | 0.87 | 1.87 |
| 2.5 | 0.23 | 0.27 | 0.27 | 0.36 | 0.56 | 0.95 | 2.06 |
| 2.75 | 0.24 | 0.27 | 0.29 | 0.39 | 0.61 | 1.04 | 2.26 |
| 2.87 | 0.24 | 0.28 | 0.29 | 0.4 | 0.63 | 1.08 | 2.35 |
| 3 | 0.24 | 0.28 | 0.3 | 0.41 | 0.65 | 1.12 | 2.45 |
| 3.25 | 0.25 | 0.3 | 0.34 | 0.44 | 0.75 | 1.29 | 2.85 |
| 3.62 | 0.25 | 0.3 | 0.35 | 0.48 | 0.77 | 1.33 | 2.94 |
| 3.87 | 0.26 | 0.31 | 0.36 | 0.5 | 0.81 | 1.42 | 3.14 |
| 4 | 0.26 | 0.31 | 0.37 | 0.52 | 0.84 | 1.46 | 3.24 |
| 4.37 | 0.26 | 0.32 | 0.4 | 0.56 | 0.91 | 1.59 | 3.53 |
| 4.75 | 0.26 | 0.33 | 0.42 | 0.61 | 0.96 | 1.72 | 3.83 |
| 5 | 0.27 | 0.34 | 0.44 | 0.62 | 1.02 | 1.8 | 4.02 |
| 5.37 | 0.27 | 0.35 | 0.46 | 0.66 | 1.09 | 1.93 | 4.31 |
| Inside Diameter d (in) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 5.75 | 0.28 | 0.36 | 0.49 | 0.7 | 1.16 | 2.06 | 4.61 |
| 6 | 0.28 | 0.37 | 0.51 | 0.73 | 1.21 | 2.15 | 4.81 |
| 7 | 0.3 | 0.4 | 0.57 | 0.83 | 1.39 | 2.49 | 5.59 |
| 7.25 | 0.3 | 0.41 | 0.59 | 0.86 | 1.44 | 2.57 | 5.79 |
| 7.5 | 0.31 | 0.42 | 0.61 | 0.88 | 1.48 | 2.66 | 5.99 |
| 7.87 | 0.31 | 0.43 | 0.63 | 0.92 | 1.55 | 2.78 | 6.28 |
| 8 | 0.32 | 0.44 | 0.64 | 0.94 | 1.58 | 2.83 | 6.38 |
| 8.62 | 0.33 | 0.46 | 0.68 | 1 | 1.69 | 3.04 | 6.87 |
| 8.75 | 0.33 | 0.46 | 0.69 | 1.01 | 1.71 | 3.08 | 6.97 |
| 9 | 0.33 | 0.47 | 0.71 | 1.04 | 1.76 | 3.17 | 7.16 |
| 9.37 | 0.34 | 0.48 | 0.74 | 1.08 | 1.83 | 3.29 | 7.45 |
| 9.5 | 0.34 | 0.49 | 0.74 | 1.09 | 1.85 | 3.34 | 7.56 |
| 9.75 | 0.34 | 0.5 | 0.76 | 1.12 | 1.9 | 3.42 | 7.75 |
| 10 | 0.35 | 0.5 | 0.78 | 1.14 | 1.94 | 3.51 | 7.95 |
| 10.37 | 0.35 | 0.52 | 0.8 | 1.18 | 2.01 | 3.64 | 8.24 |
| Inside Diameter d (in) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 10.87 | 0.36 | 0.53 | 0.84 | 1.24 | 2.1 | 3.81 | 8.63 |
| 11 | 0.36 | 0.53 | 0.85 | 1.25 | 2.13 | 3.85 | 8.73 |
| 11.12 | 0.37 | 0.54 | 0.85 | 1.26 | 2.15 | 3.89 | 8.83 |
| 11.37 | 0.37 | 0.55 | 0.87 | 1.27 | 2.2 | 3.95 | 9.02 |
| 11.75 | 0.38 | 0.56 | 0.9 | 1.33 | 2.27 | 4.11 | 9.32 |
| 12 | 0.38 | 0.57 | 0.91 | 1.35 | 2.31 | 4.19 | 9.59 |
| 12.25 | 0.38 | 0.58 | 0.93 | 1.38 | 2.36 | 4.28 | 9.71 |
| 12.87 | 0.39 | 0.6 | 0.97 | 1.44 | 2.47 | 4.45 | 10.3 |
| 13 | 0.4 | 0.6 | 0.98 | 1.46 | 2.5 | 4.53 | 10.4 |
| 13.12 | 0.4 | 0.61 | 0.99 | 1.47 | 2.52 | 4.57 | 10.5 |
| 13.25 | 0.4 | 0.61 | 1 | 1.48 | 2.54 | 4.62 | 10.5 |
| 13.5 | 0.41 | 0.62 | 1.01 | 1.51 | 2.59 | 4.7 | 10.7 |
| 14 | 0.42 | 0.64 | 1.06 | 1.61 | 2.8 | 4.87 | 11.51 |
| 14.62 | 0.42 | 0.66 | 1.09 | 1.63 | 2.84 | 4.95 | 11.67 |
| 14.75 | 0.43 | 0.66 | 1.1 | 1.65 | 2.84 | 4.95 | 11.68 |
| 14.87 | 0.43 | 0.67 | 1.11 | 1.65 | 2.84 | 5.17 | 11.77 |
| 15 | 0.43 | 0.67 | 1.12 | 1.67 | 2.87 | 5.21 | 11.87 |
| 15.25 | 0.43 | 0.68 | 1.13 | 1.69 | 2.91 | 5.3 | 12.07 |
| 15.75 | 0.44 | 0.7 | 1.17 | 1.75 | 3 | 5.47 | 12.47 |
| 16 | 0.45 | 0.7 | 1.18 | 1.77 | 3.05 | 5.55 | 12.66 |
| 16.37 | 0.45 | 0.72 | 1.21 | 1.81 | 3.12 | 5.68 | 12.95 |
| 16.5 | 0.45 | 0.72 | 1.22 | 1.82 | 3.14 | 5.73 | 13.05 |
| 17 | 0.46 | 0.74 | 1.25 | 1.88 | 3.24 | 5.9 | 13.44 |
| 17.25 | 0.47 | 0.75 | 1.27 | 1.9 | 3.28 | 5.98 | 13.64 |
| 17.5 | 0.47 | 0.75 | 1.29 | 1.93 | 3.33 | 6.07 | 13.84 |
| 17.62 | 0.47 | 0.76 | 1.29 | 1.94 | 3.35 | 6.11 | 13.93 |
| 18 | 0.48 | 0.77 | 1.32 | 1.98 | 3.42 | 6.24 | 14.23 |
| 18.25 | 0.48 | 0.78 | 1.34 | 2.01 | 3.47 | 6.32 | 14.44 |
| 18.87 | 0.49 | 0.8 | 1.38 | 2.07 | 3.58 | 6.53 | 14.91 |
| 19 | 0.49 | 0.8 | 1.39 | 2.09 | 3.6 | 6.58 | 15.01 |
| 19.25 | 0.5 | 0.81 | 1.4 | 2.11 | 3.65 | 6.66 | 15.21 |
| 19.62 | 0.5 | 0.83 | 1.42 | 2.15 | 3.72 | 6.79 | 15.5 |
| 20 | 0.51 | 0.84 | 1.46 | 2.19 | 3.79 | 6.92 | 15.79 |
| 20.12 | 0.51 | 0.84 | 1.46 | 2.2 | 3.81 | 6.96 | 15.87 |
| 20.37 | 0.52 | 0.85 | 1.48 | 2.23 | 3.86 | 7.04 | 16.09 |
| 21 | 0.53 | 0.87 | 1.52 | 2.29 | 3.97 | 7.26 | 16.58 |
| 21.25 | 0.53 | 0.88 | 1.54 | 2.32 | 4.02 | 7.34 | 16.78 |
| 21.5 | 0.54 | 0.89 | 1.59 | 2.4 | 4.16 | 7.57 | 17.27 |
| 22 | 0.54 | 0.9 | 1.59 | 2.4 | 4.16 | 7.6 | 17.35 |
| 22.62 | 0.55 | 0.93 | 1.63 | 2.46 | 4.27 | 7.81 | 17.87 |
| 22.75 | 0.56 | 0.93 | 1.64 | 2.48 | 4.3 | 7.86 | 17.96 |
| 23 | 0.56 | 0.94 | 1.68 | 2.53 | 4.39 | 8.03 | 18.35 |
| 23.25 | 0.56 | 0.95 | 1.68 | 2.53 | 4.39 | 8.03 | 18.41 |
| 23.75 | 0.57 | 0.96 | 1.71 | 2.58 | 4.5 | 8.28 | 18.74 |
| 24 | 0.58 | 0.97 | 1.73 | 2.61 | 4.53 | 8.28 | 18.94 |
| Inside Diameter ddd (in) | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| 24.25 | 0.57 | 0.98 | 1.74 | 2.63 | 4.57 | 8.37 | 19.13 |
| 24.62 | 0.58 | 0.99 | 1.74 | 2.67 | 4.64 | 8.49 | 19.33 |
| 25 | 0.58 | 1 | 1.77 | 2.71 | 4.71 | 8.62 | 19.72 |
| 25.5 | 0.59 | 1.01 | 1.79 | 2.74 | 4.76 | 8.71 | 20.11 |
| 26 | 0.6 | 1.04 | 1.82 | 2.82 | 4.9 | 8.96 | 20.51 |
| 26.37 | 0.6 | 1.05 | 1.84 | 2.84 | 4.94 | 9.09 | 20.7 |
| 27.25 | 0.62 | 1.07 | 1.92 | 2.92 | 5.08 | 9.39 | 21.49 |
| 27.37 | 0.62 | 1.08 | 1.95 | 2.96 | 5.15 | 9.43 | 21.58 |
| 28 | 0.63 | 1.1 | 2.01 | 3.03 | 5.26 | 9.65 | 22.08 |
| 28.25 | 0.64 | 1.11 | 2.01 | 3.05 | 5.31 | 9.73 | 22.27 |
| 29 | 0.65 | 1.14 | 2.07 | 3.13 | 5.45 | 9.99 | 22.86 |
| 29.25 | 0.65 | 1.15 | 2.08 | 3.16 | 5.49 | 10.07 | 23.04 |
| 30 | 0.66 | 1.17 | 2.13 | 3.23 | 5.63 | 10.33 | 23.65 |
| 31 | 0.68 | 1.2 | 2.2 | 3.34 | 5.82 | 10.67 | 24.43 |
| 32 | 0.7 | 1.24 | 2.27 | 3.44 | 6 | 11.01 | 25.22 |
| 33 | 0.71 | 1.27 | 2.34 | 3.55 | 6.19 | 11.35 | 26 |
| 34 | 0.73 | 1.3 | 2.4 | 3.65 | 6.37 | 11.69 | 26.79 |
| 35 | 0.75 | 1.34 | 2.47 | 3.76 | 6.56 | 12.03 | 27.57 |
| 36 | 0.76 | 1.37 | 2.54 | 3.86 | 6.74 | 12.37 | 28.36 |
| 37 | 0.78 | 1.4 | 2.61 | 3.97 | 6.92 | 12.71 | 29.14 |
| 38 | 0.79 | 1.44 | 2.68 | 4.07 | 7.11 | 13.05 | 29.93 |
| 39 | 0.81 | 1.47 | 2.74 | 4.18 | 7.29 | 13.4 | 30.71 |
| 40 | 0.83 | 1.51 | 2.81 | 4.28 | 7.48 | 13.74 | 31.5 |
| 41 | 0.84 | 1.54 | 2.88 | 4.38 | 7.68 | 14.1 | 32.28 |
| 42 | 0.86 | 1.57 | 2.95 | 4.49 | 7.85 | 14.42 | 33.06 |
| 43 | 0.88 | 1.61 | 3.01 | 4.59 | 8.03 | 14.76 | 33.83 |
| 44 | 0.89 | 1.64 | 3.08 | 4.7 | 8.21 | 15.1 | 34.63 |
| 45 | 0.91 | 1.67 | 3.15 | 4.8 | 8.4 | 15.44 | 35.42 |
| 46 | 0.92 | 1.71 | 3.22 | 4.91 | 8.58 | 15.81 | 36.2 |
| 47 | 0.94 | 1.74 | 3.29 | 5.01 | 8.77 | 16.12 | 36.98 |
| 48 | 0.96 | 1.77 | 3.35 | 5.12 | 8.95 | 16.46 | 37.77 |
| 49 | 0.97 | 1.81 | 3.42 | 5.22 | 9.14 | 16.8 | 38.56 |
| 50 | 0.99 | 1.84 | 3.49 | 5.32 | 9.32 | 17.15 | 39.34 |
Minimum Wall Thickness for Socket Welding and Threaded Ends
| NPS | Classes 150 and 300 | Class 600 | Class 800[1] | Class 900 | Class 1500 | Class 2500 | Class 4500 |
| mm | in. | mm | in. | mm | in. | mm | |
| 1/8″ | 3 | 0.12 | 3 | 0.12 | 3 | 0.12 | 3.6 |
| 1/4″ | 3 | 0.12 | 3.3 | 0.13 | 3.3 | 0.13 | 4.1 |
| 3/8″ | 3 | 0.12 | 3.6 | 0.14 | 3.6 | 0.14 | 4.3 |
| 1/2″ | 3.3 | 0.13 | 4.1 | 0.16 | 4.1 | 0.16 | 5.3 |
| 3/4″ | 3.6 | 0.14 | 4.3 | 0.17 | 4.3 | 0.17 | 6.1 |
| 1″ | 3.8 | 0.15 | 5.1 | 0.2 | 5.1 | 0.2 | 6.9 |
| 1.25″ | 3.8 | 0.15 | 5.3 | 0.21 | 5.3 | 0.21 | 7.1 |
| 1.5″ | 4.1 | 0.16 | 5.6 | 0.22 | 5.8 | 0.23 | 7.9 |
| 2″ | 4.6 | 0.18 | 6.1 | 0.24 | 6.9 | 0.27 | 9.7 |
| 2.5″ | 5.6 | 0.22 | 7.6 | 0.3 | 7.9 | 0.31 | 10.4 |
【1】Class 800 is not a tabulated ASME B16.34 designation. It is an intermediate class that is widely used for socket welding and threaded end valves.
ASTM A105N Valve Material FAQs
What Does the ‘N’ Stand For in A105N?
The “N” stands for normalization. Normalization enhances the material’s mechanical properties by making its internal structure more uniform and reducing internal stresses. This improves the material’s toughness and strength.
What Does ASTM A105 Stand For
ASTM A105 is a carbon steel forging material standard widely used in manufacturing valves and piping components. This standard specifies the chemical composition and mechanical properties of the material, ensuring its reliability in high-temperature and high-pressure environments.
What is ASTM A105 GR N?
ASTM A105 GR N is a grade of A105 carbon steel that has been normalized. Normalization improves the mechanical properties and toughness of the material.
What is The Body Material of A105N?
The body material of A105N valves is normalized A105 carbon steel. This material has excellent strength and toughness properties and is used in a wide range of industrial applications.
What is The Difference Between ASTM A105N and A182?
ASTM A105N is carbon steel used primarily for manufacturing industrial valves and other pipe fittings. ASTM A182 is primarily alloy and stainless steel used in high-temperature and corrosive environments.
What is The Difference Between ASTM A216 GR WCB and A105N?
ASTM A216 GR WCB is cast steel used primarily for manufacturing cast valves. A105N is forged steel with better mechanical properties and toughness, making it superior to cast valves for high-temperature applications, corrosion resistance, and tensile strength, and is used primarily for manufacturing forged valves and other pipe fittings.
What is the Difference Between A105N and LF2?
A105N is used for high-temperature and high-pressure applications, while LF2 is used for low-temperature applications. The two materials have different compositions and are used in different applications.
Is ASTM A105 Forged or Cast?
ASTM A105 is made using the forging method. The forging process gives the material better mechanical properties and durability, making it suitable for high-temperature and high-pressure applications.
Is A105N Low Temperature?
A105N is not suitable for low-temperature applications but is suitable for ambient and high-temperature applications. For low-temperature applications, LF2 material can be selected.
Is ASTM A105 Killed?
Yes, ASTM A105 is a killed carbon steel. Killed means the steel is deoxidized to remove oxygen and other impurities, which improves the quality and performance of the material.
What is The Difference Between ASTM A105 and ASTM A105N?
A105N is the normalized version of A105 material with better mechanical properties and toughness. The normalization process makes the material’s internal structure more uniform and reduces internal stress.
Is A105 Carbon Steel or Stainless Steel?
A105 is carbon steel used primarily for manufacturing industrial valves and other pipe fittings. It has excellent mechanical properties and toughness.
Is ASTM A105 Galvanized?
ASTM A105 is not typically galvanized, but it can be galvanized if needed to improve its corrosion resistance.
What Material is ASTM A105 Equivalent to?
ASTM A105 is equivalent to C21 material in other standards. The two materials have very similar chemical compositions and mechanical properties.
What is The Heat Treatment for A105N?
A105N material is normalized. Normalization is a heat treatment process that involves heating the material to an appropriate temperature and then cooling it in still air to improve its mechanical properties.
Is A105 Magnetic?
Yes, A105 carbon steel is magnetic. Its chemical composition and internal structure make it magnetic.
What is The Price of ASTM A105 Material?
The price of ASTM A105 material varies depending on market conditions and specifications. Generally, it is moderate, making it suitable for large-scale industrial applications.
What is The Difference Between A105 and A106 Steel?
A105 is used for forgings, while A106 is used for seamless pipes. The two materials have different chemical compositions and are used in different applications.
What is The Pressure Rating of ASTM A105?
The pressure rating of ASTM A105 depends on the specific design and application, but it typically ranges from 150 to 2500 pounds. This makes it suitable for high-pressure piping and valve systems.
What Does ASTM A106 Mean?
ASTM A106 is a standard for seamless carbon steel pipe for high-temperature service. This standard covers the chemical composition and mechanical properties of the pipe to ensure it can be used in high-temperature environments.
Is ASTM A106 Killed Carbon Steel?
Yes, ASTM A106 is killed carbon steel. It is deoxidized to remove the oxygen from the molten metal and improve the quality and performance of the steel.
Is ASTM A105 Killed Carbon Steel?
Yes, ASTM A105 is also killed carbon steel. It is deoxidized to remove the oxygen from the molten metal.
What is The Difference Between ASTM A105 and ASTM A350 LF2?
ASTM A105 is used for ambient and high-temperature applications, while A350 LF2 is used for low-temperature applications. The two materials have different chemical compositions and are used in different applications.
Who Manufactures ASTM A105 Flange?
There are many manufacturers of ASTM A105 flanges, such as Bonney Forge, Warren Valve, and others. These manufacturers produce high-quality products to meet the needs of various industries.
What is The Carbon Equivalent of ASTM A105?
The carbon equivalent of ASTM A105 is approximately 0.35-0.40%. This composition gives the material great mechanical properties and durability.
What is The Temperature Range for ASTM A105 Material?
ASTM A105 material is good for temperatures from -20°F to 800°F. This makes the material widely used in various high-temperature and ambient industrial applications.
What Material Group is ASTM A105?
ASTM A105 is a carbon steel material. It has great mechanical properties and durability, which makes it widely used in industrial valves and piping components.
What is The Body Material of A105N Valve?
The body material of A105N valves is normalized A105 carbon steel. This material has great strength and durability, which makes it suitable for various industrial applications.
Is A105 NACE Compliant?
Depending on the application, A105 material can meet NACE standards. NACE standards are primarily used for material selection in environments susceptible to hydrogen sulfide corrosion.
About THINKTANK
We are a control valve factory with 13 years of production experience. We are located in China and certified with ATEX, CE, PED, SIL3, ISO9001:2016, and ISO14001:2016. We export to UAE, Indonesia, Singapore, Thailand, Oman, Malaysia, Brazil, Chile, Mexico, Pakistan, Russia, UK, Vietnam, South Africa, France, Germany, Italy, Netherlands, Brazil, Turkey, Belarus, and Spain etc.
We specialize in the manufacture and distribution of control valves, self-operated pressure regulators, industrial valves, ball valves, globe valves, kinfe gate valves, and check valves. Our customers including engineering companies, valve distributors, instrument companies, DCS/PLC companies, valve wholesalers, valve brands, and industrial equipment after-service companies.
Conclusion
This article gives you a detailed overview of the various characteristics and applications of Forged Steel Valve A105N. If you have any further questions or needs, please feel free to contact us. We are committed to providing you with the highest quality products and services.
