Seamless steel tubes' national standards

For seamless steel tubes, there are many different national standards and types, which are suitable for a variety of industry needs. Its required market demand is in the same type of steel tubes, which is a widely used steel material. It is suitable for: structural uses, fertilizer equipment, ships, geological drilling, oil drilling, automotive axles, conveying fluids, boilers and other industries. 

Seamless steel pipe concrete use specification standards:
1. Structure for seamless steel pipe: GB8162-99
2. High-pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999
3. Seamless steel tubes for ships: GB5312-1999
4. Cold-drawn cold-rolled precision seamless steel pipe: GB3639-1999
5. Various alloy tubes 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo.
6. Geological drilling seamless steel pipe: YB235-70
7. Seamless Steel Pipe for Oil Drilling: YB528-65
8. Seamless Steel Pipe for Petroleum Cracking: GB9948-88
9. Petroleum drill collar special seamless tube: YB691-70
10. Seamless Steel Tube for Automotive Axle:GB3088-1999
11. Pipes used to transfer fluids: GB8163-99
12. Seamless steel tubes for boilers: GB3087-1999
13. Boiler high pressure seamless pipe: GB5310-95 (ST45.8-iii type)

The above information is from Cangzhou Hengjia Pipeline Co.,Ltd. 

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