Material | Q345B Q355D C20,ST52,E355 SAE1026.CK45 4130 4140 STKM 13C | Standard | API, ASTM, DIN, GB, JIS, API 5L, ASTM A213-2001, ASTM A333-2005, ASTM A335-2006, DIN 17175, GB 3087-1999, GB 5310-1995, GB
6479-2000, GB 9948-2006, GB/T 9711.2-1999, JIS G3458-2005 | Length | Fixed Length, Random Length(3--9m)or as requests of customers | Wall Thickness(mm) | 1.5-30mm | Outside Dia(mm) | 10.3-1219mm | Straightness | 0.3/1000 | ID roughness | RA 0.1-0.8micron(max) | Surface | Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect | Application | 1. Fluid pipe
2. Power Plant
3. Structure pipe
4. High and low pressure Boiler tube
5. Seamless pipe /tube for petroleum cracking
6. Conduit pipe
7. Scaffolding pipe pharmaceutical and ship,building etc. |
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