Product Overview – ASME SA106 Grade A Seamless Pipes
ASME SA106 Grade A seamless pipes are manufactured under the ASME (American Society of Mechanical Engineers) specification, commonly used in pressure equipment and boiler systems.
While technically equivalent to ASTM A106 Grade A, SA106 pipes are specified in projects where ASME code compliance is mandatory,especially in boiler construction, pressure vessels, and regulated industrial systems.
These pipes are designed for low to moderate temperature and pressure service, offering dependable performance along with good weldability and machinability.
Manufactured through the seamless process, SA106 Grade A pipes ensure uniform structure, smooth internal surface, and reliable pressure handling capability.
They are widely used in process industries, steam lines, and general industrial piping systems.
Standard & International Identification - ASME SA106 Grade A Seamless Pipes
Technical Specifications – ASME SA106 Gr A Pipes
| Pipe Type: | Seamless Carbon Steel Pipes |
| Manufacturing Process: | Hot Rolled / Cold Drawn → Heat Treated → Tested |
| Outer Diameter: | 10 mm to 600 mm |
| Wall Thickness: | 1.5 mm to 60 mm |
| Length: | Single Random Length/Double Random Length/Custom Cut Length |
| Surface Finish: | Black Painted/Varnished/Galvanized (Optional) |
| Testing Methods: | Hydrostatic Test,Ultrasonic Testing,Eddy Current Testing,Visual Inspection |
| Certification : | EN 10204 3.1 / 3.2 MTC |
Third Party Inspection Available
All specifications are in accordance of ASTM A106 / ASME SA106 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – ASME SA106 Grade A
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.25% |
| Manganese (Mn): | 0.27 – 0.93% |
| Silicon (Si): | 0.10% |
| Phosphorus (P): | 0.035% |
| Sulfur (S): | Max 0.035% | Iron : | Balance |
Note: The above chemical composition ensures ASME SA106 Grade A pipes offer good ductility, weldability, and corrosion resistance for pressure and piping applications.
Mechanical Properties – ASME SA106 Gr A Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 330 MPa |
| Yield Strength | 205 MPa |
| Elongation | 35% |
These mechanical properties allow ASME SA106 Grade A seamless pipes to perform reliably in low to moderate pressure systems with consistent durability.
ASME vs ASTM – Why SA106 is Specified
| Parameter | ASTM A106 | ASME SA106 |
|---|---|---|
| Standard Body | ASTM | ASME |
| Usage | General piping | Pressure equipment |
| Compliance | Optional | Mandatory in coded systems |
| Material | Same | Same |
Industry-Specific Applications of ASME SA106 Grade A pipes
- Where ASME SA106 Grade A Pipes are used:
- 🔸Boiler & Pressure Vessel Systems
- 🔸ASME-Certified Industrial Plants
- 🔸Steam Distribution Lines
- 🔸Refinery & Process Units
- 🔸Chemical & Fertilizer Plants
- 🔸EPC & Turnkey Projects
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