Product Overview - ASTM A106 Gr A Welded Pipes
ASTM A106 Grade A is widely used for general industrial and low-pressure applications. While the standard specifies seamless pipes, equivalent welded pipes are manufactured to meet similar requirements where cost efficiency and supply flexibility are important.
These pipes are produced using ERW (Electric Resistance Welded) and EFW (Electric Fusion Welded) processes, ensuring consistent quality, smooth finish, and dimensional accuracy.
Due to their affordability and availability, ASTM A106 Grade A equivalent welded pipes are commonly used in fabrication, construction, and utility piping systems.
Standard & Material Identification - ASTM A106 Gr A Welded Pipes
Technical Specifications – ASTM A106 Gr A Welded Pipes
| Pipe Type: | ERW / EFW Welded Pipes |
| Manufacturing Process: | Hot Rolled Coil / Plate → Forming → Welding → Heat Treatment → Testing |
| Outer Diameter: | 15 mm to 1500 mm |
| Wall Thickness: | 2 mm to 40 mm |
| Length Options: | 6 Meter/12 meters/Custom Length |
| Surface Finish: | Black/Galvanized/Painted/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 ASME A106/ASTM A106 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – ASTM A106 Grade A
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.25% |
| Manganese (Mn): | 0.93% |
| Phosphorus (P): | 0.035% |
| Sulfur (S): | Max 0.035% |
| Silicon (Si) | Min 0.10% |
| Iron | Balance |
Note: ASTM A106 Grade A equivalent welded pipes are manufactured to closely match the required chemical composition for consistent industrial use.
Mechanical Properties – ASTM A106 Gr A
| Property | Minimum Value |
|---|---|
| Tensile Strength | 330 MPa |
| Yield Strength | 205 MPa |
| Elongation | 30% |
These properties make ASTM A106 Gr A suitable for general-purpose piping and low-pressure systems.
Performance & Industrial Use
ASTM A106 Grade A equivalent welded pipes are designed for applications where cost efficiency, easy fabrication, and moderate strength are required.
- They offer:
- 🔸Reliable performance in low-pressure systems
- 🔸Good weldability and machinability
- 🔸Uniform quality for bulk industrial use
- 🔸Cost advantage compared to seamless pipes
These features make them ideal for construction, fabrication, and utility pipelines.
Industry Applications of ASTM A106 Gr A Welded Pipes
- Where ASTM A106 Gr A welded pipes are used:
- 🔸Water Supply Systems
- 🔸Structural & Fabrication Projects
- 🔸Low Pressure Oil & Gas Lines
- 🔸Structural Applications
- 🔸Industrial Fluid Transport
- 🔸Construction & Infrastructure
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