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ASTM – A53 is the standard specification for hot rolled and cold formed steel pipe with Electrical Resistance Weld (ERW).
ASTM – A53 pipes are available with a lacquer or galvanised . Finally, an hydrostatic test is performed to check its internal pressure.
Altitube Steel has a large inventory of ASTM-A53 pipes.
| Grade A | Grade B | |
|---|---|---|
| Yield strength | 30 000 PSI | 35 000 PSI |
| Tensile strength | 48 000 PSI | 60 000 PSI |
| Thickness tolerance | -12.5% | -12.5% |