| AS1163-Round Steel Pipe | |||||||
| Material | Steel Grade | Chemical composition | |||||
| Carbon | Si | Mn | S | Cr | Mo | ||
| C250 | 0.12 | 0.05 | 0.5 | 0.03 | 0.15 | 0.1 | |
| C350 | 0.2 | 0.45 | 1.6 | 0.03 | 0.3 | 0.1 | |
| C450 | 0.2 | 0.45 | 1.7 | 0.03 | 0.5 | 0.35 | |
| AI | Ti | Micro-alloying | CE |
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| C250 | 0.1 | 0.04 | 0.03 | 0.25 |
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| C350 | 0.1 | 0.04 | 0.03 | 0.25 |
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| C450 | 0.1 | 0.04 | 0.03 | 0.25 |
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| Mechamical Porperties |
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| Yield Strength | elongation |
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| C250 | 250-320 | 18-22 |
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| C350 | 350-430 | 16-20 |
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| C450 | 450-500 | 12-16 |
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| Specification and Tolerance | Outside | 1/2inch - 12inch | |||||
| Thickness | 1.5mm-16mm | ||||||
| Tolerance | Outside | ±1%,with a min of 0.5mm and max of 10mm | |||||
| Thickness | ≤406.4mm：+/-10% | ||||||
| ＞406.4mm：+/-10% with a max of +/-2mm | |||||||
| Length | 4000mm to 12000mm or according to any requiremts from customers | ||||||
| Technigue | Cold formed,ERW | ||||||
| Package | PVC package wrapped | ||||||
| Transport | container,bulk cargo by sea shipment | ||||||
| Payment | T/T,L/C,Wext Union | ||||||
| Application | Construction, Steel structure, Building material,Gas,water and oil use, Machinery parts | ||||||