astm a53 seamless steel pipe
ASTM A53 Seamless Steel Pipe
ASTM A 53 covers seamless and welded steel pipe with nominal wall thickness. The surface condition is usually black and hot-dipped galvanized. ASTM A 53 is produced mainly for pressure and mechanical applications, and is also used for transport of steam, water, gas line pipes.
Mechanical property:
| Seamless and ERW | Grade A | Grade B |
|---|---|---|
| Tensile Strength, min, psi | 48,000 | 60,000 |
| Yield Strength | 30,000 | 35,000 |
Chemical Composition(%)
| 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 |
| Seamless and ERW | 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 |
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