Product Overview – ASME SA53 Grade A Seamless Pipes
ASME SA53 Grade A seamless pipes are manufactured under the ASME specification, making them suitable for projects that require code compliance and certified material usage.
These pipes are technically equivalent to ASTM A53 Grade A, but are specified as SA53 in engineering drawings, boiler systems, and regulated industrial applications.
Grade A represents the lower strength category making it ideal for light-duty structural applications, low-pressure pipelines, and general engineering use.
Manufactured through seamless processes, these pipes offer uniform structure, good surface finish, and reliable performance in standard conditions.
They are widely used in construction, plumbing systems, fabrication, and support structures.
Standard & International Identification - ASME SA53 Grade A Seamless Pipes
Technical Specifications – ASME SA53 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 50 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 ASME SA53 standards. Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition – ASME SA53 Grade A
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Carbon (C): | 0.25% |
| Manganese (Mn): | 0.95% |
| Phosphorus (P): | 0.005% |
| Sulfur (S): | Max 0.045% | Iron : | Balance |
Note: The above chemical composition ensures ASME SA53 Grade A pipes provide good weldability and flexibility for structural and general applications.
Mechanical Properties – ASME SA53 Gr A Pipes
| Property | Minimum Value |
|---|---|
| Tensile Strength | 330 MPa |
| Yield Strength | 205 MPa |
| Elongation | 30% |
These mechanical properties make ASME SA53 Grade A seamless pipes suitable for light-duty applications and low-pressure systems.
ASME vs ASTM – Why SA53 is Used
| Parameter | ASTM A53 | ASME SA53 |
|---|---|---|
| Standard Body | ASTM | ASME |
| Usage | General applications | Code-based projects |
| Compliance | Optional | Required in regulated systems |
| Material | Same | Same |
SA53 is specified when documentation and compliance matter—not just material.
Industry Applications of ASME SA53 Grade A
- Where ASME SA53 Grade A are used:
- 🔸Structural Steel Frameworks
- 🔸Construction & Infrastructure Projects
- 🔸Plumbing & Water Systems
- 🔸Mechanical Fabrication
- 🔸Low Pressure Industrial Piping
- 🔸Support Structures
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