ASTM A106 Grade B Pipe
A106 pipes are seamless carbon steel pipes manufactured according to the ASTM A106 standard, primarily used in high-temperature and high-pressure piping systems. They are commonly utilized in the oil, gas, and chemical industries, capable of withstanding extreme working conditions.
ASTM A106 GR.B Carbon Seamless Pipes Manufacturer
SSM provides ASTM A106 Grade B pipe, a popular seamless carbon steel pipe designed for high-temperature applications. We manufacture it through hot rolling or cold drawing, making it ideal for high-temperature services. This pipe suits transmission pipelines and high-temperature steam pipelines in industries such as oil, natural gas, petrochemical, and chemical.
Chemical Composition & Mechanical Properties
If you are uncertain whether this product meets your requirements, please consult the detailed chemical composition and mechanical properties of ASTM A106 Grade B Steel Pipe in the table below.
ASTM A106 Grade B Chemical Composition
| Element | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) |
| Range | ≤ 0.30% | 0.29 – 1.06% | ≤ 0.035% | ≤ 0.035% | ≥ 0.10% |
ASTM A106 Grade B Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation |
| Requirement | ≥ 415 MPa (60 ksi) | ≥ 240 MPa (35 ksi) | ≥ 20% (depending on test sample size) |
Physical Properties of ASTM A106 Grade B
| Density | 8.47 g/cm³ | 8.44 g/cm³ | 8.19 g/cm³ |
| Melting Point | 1354-1413°C | 1290-1350°C | 1260-1336°C |
| Tensile Strength | 550 MPa min | 827 MPa min | 965 MPa min |
| Yield Strength | 240 MPa min | 414 MPa min | 550 MPa min |
| Elongation | 30% min | 30% min | 12% min |
For more information, you can also download ASTM A106 here to find the answer.
What is the carbon equivalent of ASTM A106 Grade B?
Since industry and national standards can be inconsistent, it’s important to consider alternative products equivalent to ASTM A106 Grade B when making a purchase. These alternative products have a comprehensive chemical composition and comparable mechanical properties. They are used in similar high-temperature and high-pressure environments. The following is a description of various industry standards that may help you with your purchase.
| Standard | Description |
| ASME SA106 Grade B | Same as ASTM A106, but with “SA” designation indicating use in ASME codes for pressure vessels and piping design. |
| DIN 17175 St35.8 | German standard for seamless steel pipes used in high-temperature applications, comparable in mechanical properties and use to ASTM A106 Grade B. |
| EN 10216-2 P235GH | European standard for seamless steel tubes for pressure purposes, with similar chemical composition and mechanical properties to ASTM A106 Grade B. |
| JIS G3452 STB 35 | Japanese standard for carbon steel pipes used in general piping applications, with characteristics similar to ASTM A106 Grade B. |
| API 5L Grade B | Standard for line pipes in the oil and gas industry, typically used for pipelines, with mechanical properties similar to ASTM A106 Grade B. |
ASTM A106 Grade B SCH 40 Pipes Dimensions
SSM offers a variety of sizes. The table below shows the most commonly used sizes. If you need a size that is not listed, please contact us. You can also refer to the size table in the article for further information.
| Nominal Pipe Size (NPS) | Outer Diameter (OD) | Wall Thickness | Weight per Foot | Outer Diameter (OD) | Wall Thickness | Weight per Meter |
| 1/8″ | 0.405 inches | 0.068 inches | 0.20 lb/ft | 10.3 mm | 1.73 mm | 0.30 kg/m |
| 1/4″ | 0.540 inches | 0.088 inches | 0.30 lb/ft | 13.7 mm | 2.24 mm | 0.45 kg/m |
| 3/8″ | 0.675 inches | 0.091 inches | 0.50 lb/ft | 17.1 mm | 2.31 mm | 0.74 kg/m |
| 1/2″ | 0.840 inches | 0.109 inches | 0.80 lb/ft | 21.3 mm | 2.77 mm | 1.19 kg/m |
| 3/4″ | 1.050 inches | 0.113 inches | 1.20 lb/ft | 26.7 mm | 2.87 mm | 1.79 kg/m |
| 1″ | 1.315 inches | 0.133 inches | 1.80 lb/ft | 33.4 mm | 3.38 mm | 2.68 kg/m |
| 1 1/4″ | 1.660 inches | 0.140 inches | 2.60 lb/ft | 42.2 mm | 3.56 mm | 3.87 kg/m |
| 1 1/2″ | 1.900 inches | 0.145 inches | 3.40 lb/ft | 48.3 mm | 3.68 mm | 5.06 kg/m |
| 2″ | 2.375 inches | 0.154 inches | 5.00 lb/ft | 60.3 mm | 3.91 mm | 7.45 kg/m |
| 2 1/2″ | 2.875 inches | 0.203 inches | 7.40 lb/ft | 73.0 mm | 5.16 mm | 11.00 kg/m |
| 3″ | 3.500 inches | 0.216 inches | 10.00 lb/ft | 88.9 mm | 5.49 mm | 14.90 kg/m |
| 3 1/2″ | 4.000 inches | 0.226 inches | 12.00 lb/ft | 101.6 mm | 5.72 mm | 17.90 kg/m |
| 4″ | 4.500 inches | 0.237 inches | 15.00 lb/ft | 114.3 mm | 6.02 mm | 22.40 kg/m |
| 5″ | 5.563 inches | 0.258 inches | 22.00 lb/ft | 141.3 mm | 6.55 mm | 32.80 kg/m |
| 6″ | 6.625 inches | 0.280 inches | 29.00 lb/ft | 168.3 mm | 7.11 mm | 43.10 kg/m |
| 8″ | 8.625 inches | 0.322 inches | 49.00 lb/ft | 219.1 mm | 8.17 mm | 72.90 kg/m |
| 10″ | 10.750 inches | 0.365 inches | 79.00 lb/ft | 273.1 mm | 9.27 mm | 117.00 kg/m |
| 12″ | 12.750 inches | 0.375 inches | 103.00 lb/ft | 323.9 mm | 9.53 mm | 153.00 kg/m |
Advantages A106 Gr. B Pipes
1. More cost-effective compared to alloy steel or higher grade materials.
2. ASTM A106 Grade B steel pipe is widely available in various sizes and lengths, making it easier to procure and integrate into different projects.
3. Used to withstand high temperatures, it is suitable for steam and other high-temperature applications.
4. Provides good tensile strength, yield strength, and ductility3The seamless design reduces the weaknesses and leakage risks of welds.
5. When properly coated or using appropriate corrosion inhibitors, ASTM A106 Grade B steel pipe has sufficient resistance to many corrosive environments.
Applications of ASTM A106 Grade B Pipes
- Power Plants
- Oil and Gas Industry
- Chemical Processing
- Water and Wastewater Systems
- Industrial Applications
- Construction and Infrastructure
- Manufacturing
- Hydraulic Systems
- Automotive Industry
FAQ
ASTM A106 pipe is a seamless carbon steel pipe used primarily for high-temperature and high-pressure applications, commonly in the oil and gas industry.
The standard includes three grades: A106 Grade A, Grade B, and Grade C, with Grade B being the most commonly used due to its balanced strength and ductility.
A106 pipes are manufactured through hot rolling or cold drawing, which provides the necessary strength and dimensional accuracy.
The pressure rating varies based on the pipe’s size, wall thickness, and grade. It is crucial to refer to the specific tables for accurate ratings.
Yes, A106 pipes have good weldability, making them suitable for various welding processes.
A106 pipes are designed for high-temperature applications, typically up to 750°F (400°C) depending on the grade and specific application conditions.
Always source pipes from reputable suppliers who adhere to ASTM standards and provide certifications for quality and material compliance.
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