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ASTM/ASME A53/SA53 seamless and welded steel pipe is a general, all-purpose pipe used in generator plants, refineries, compressor stations, natural gas transmission, and steam conduction. It is acceptable for welding, flanging, and bending.
ASTM Specification A53 covers seamless and welded, black and hot-dipped galvanized nominal (average) wall pipe for coiling, bending, flanging and other special purposes and is suitable for welding.
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 |
Wall Thickness STD / 9.53mm
Wall Thickness Tolerance 8.34~10.72mm (acc. to ASTM A53, +/- 12.5%t)
STD ERW Pipe Standard ASTM A53 B, API 5L B, CSA Z245, A106 B
STD ERW Pipe Grade Grade B, Gr.B, GRB, G.B other steel grade required
Pipe Test Hydro test, UT test, Flatten test, Impact test, Tensile test,Yield strength test etc
Hydro test pressure 610 psi [4200 kMpa] As per ASTM A53 Spec
STD ERW Pipe Length SRL, DRL, Random length from 3m to 18m
End Finish Beveled ends with caps or steel protector or plain ends or plain ends per request.
