Product Overview - ASTM A106 Grade B Welded Pipes
ASTM A106 Grade B is one of the most commonly used specifications for high-temperature carbon steel seamless pipes. However, in many industrial applications, welded pipes equivalent to ASTM A106 Gr B are manufactured to achieve similar performance characteristics.
These pipes are produced using advanced welding processes such as ERW (Electric Resistance Welded) and EFW (Electric Fusion Welded), ensuring consistent quality, dimensional accuracy, and reliable performance.
Due to their balance of ASTM A106 Gr B equivalent welded pipes are extensively used across industries including oil & gas, power plants, and structural engineering.
Standard & Material Identification - ASTM A106 Grade B Welded Pipes
Technical Specifications – ASTM A106 Gr B Welded Pipes
| Pipe Type: | ERW / EFW Welded Pipes |
| Manufacturing Process: | Hot Rolled Coil / Plate → Forming → Welding → Heat Treatment → Testing |
| Outer Diameter: | 15 mm to 2000 mm |
| Wall Thickness: | 2 mm to 50 mm |
| Length Options: | 6 Meter/12 meters/Custom Length |
| Surface Finish: | Black/Galvanized/Painted/Anti-Corrosion Coated |
| Testing Methods: | Hydrostatic Testing/Ultrasonic Testing/Radiographic Testing (for EFW)/PMI Testing/Dimensional Inspection |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A106/ASME A106 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – ASTM A106 Grade B
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.30% |
| Manganese (Mn): | 0.29 – 1.06% |
| Phosphorus (P): | 0.035% |
| Sulfur (S): | Max 0.035% |
| Silicon (Si) | Min 0.10% |
| Iron | Balance |
Note: Equivalent welded pipes are manufactured to closely match ASTM A106 Grade B chemical composition for reliable industrial performance.
Mechanical Properties – ASTM A106 Gr B
| Property | Minimum Value |
|---|---|
| Tensile Strength | 415 MPa |
| Yield Strength | 240 MPa |
| Elongation | 30% |
These properties make ASTM A106 Gr B equivalent welded pipes suitable for moderate to high temperature and pressure applications.
Performance & Industrial Use
ASTM A106 Grade B equivalent welded pipes are widely used where strength, durability, and cost efficiency are critical factors.
- They provide:
- 🔸Reliable performance in elevated temperatures
- 🔸Good mechanical strength for structural and piping systems
- 🔸Consistent quality in large diameter applications
- 🔸Cost advantage compared to seamless pipes
These characteristics make them a preferred choice for large-scale industrial projects and infrastructure development.
Industry Applications of ASTM A106 Gr B Welded Pipes
- Where ASTM A106 Gr B Welded Pipes are used:
- 🔸Oil & Gas Pipelines (non-critical systems)
- 🔸Refineries & Petrochemical Plants
- 🔸Power Generation Units
- 🔸Boiler & Heat Exchanger Systems
- 🔸Structural & Fabrication Projects
- 🔸Water & Industrial Fluid Transport
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