A53 Pipe
ASTM A53 Grade A and B
Types:Welded (ERW), Galvanized
Sizes: 1/2” to 20”
Ends: Plain, Beveled, Threaded
Length: 20 ft, 40 ft, customized
Coating: 3PE, FBE, Varnished, Black, Zinc Coated
State-of-the-art production
ASTM A53 standard specification
ASTM A53 is the standard specification for the carbon steel pipe in seamless, welded, and zinc-coated galvanized pipes. Covers the dimensions ranges from OD 10.3 mm (1/8 inch) to 660 mm (26 inch).
Applications
Transmission: Oil and gas pipeline systems, water treatment, mineral slurry
Construction and Structure: Buildings, underground water drilling, boiler water transmission
Machine Parts: Machining to spare parts
Power station: Wind Turbines, Anti-Static tube
Professional Welded Pipe Production

specification
MECHANICAL PROPERTIES – TENSILE REQUIREMENTS
| Seamless and ERW | Grade A | Grade B |
|---|---|---|
| Tensile Strength, min, psi | 48,000 | 60,000 |
| Yield Strength | 30,000 | 35,000 |
CHEMICAL REQUIREMENTS FOR A53
| Seamless and ERW | C max % | Mn max % | P max % | S max % |
|---|---|---|---|---|
| Grade A | 0.25 | 0.95 | 0.05 | 0.045 |
| Grade B | 0.30 | 1.20 | 0.05 | 0.045 |
| Degree of Bend | Diameter of Mandrel | |
|---|---|---|
| For normal A53 users | 90 | 12 x nom. diameter of pipe |
| For Close Coiling | 180 | 8 x nom. diameter of pipe |
Number of Tests: Seamless and Electric Resistance Weld (ERW) – bending, flattening, tensile on one length of pipe from each lot of 500 lengths, or less, of each pipe size.
Sufficient stock of products


About Us
Our steel is sourced, developed and produced locally, which means our customers can be assured of the highest quality standards and local customer service, and are invested in the success of their projects.GNEE controls every step of the pipe manufacturing process, from melting to the final product. We manufacture pipe products at a number of plants in China, which produce high quality pipe products characterized by low residues, a wide range of strengths and good toughness.
All of our welded pipes can be treated with black paint, 3PE, 3PP, galvanized, etc. If you need, please contact us immediately!
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