| Standard | ASTM 、 JIS 、 GB 、 EN 、 DIN 、GBT8162-2008、GB3087-2008、GB5310-2008、GB9948-2006、YB235-70 |
| Material | 10#、20#、35#、45#、16Mn、27SiMn、40Cr12Cr1MoV、10CrMo910.15CrMo. 35CrMo、45Mn2 and so on |
| Type | Hot - rolled seamless steel pipe , cold - rolled seamless steel pipe , cold -drawn seamless steel pipe , extruded seamless steel pipe , top pipe , etc . |
| Technology | Cold rolling 、 hotrolling |
| Length | 3000mm-12000 |
| Outside diameter | 4-900mm |
| Thickness | 0.25-25mm |
| Applications | Mainly used as petroleum geological drilling tubes , petrochemical cracking tubes , boiler tubes , bearing tubes and high -precision structural steel tubes for automobiles , tractors and aviation. |
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