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Seamless Steel Pipe is manufactured from round steel billets that are heated and then formed into hollow tubes through cold drawing or hot expanding, resulting in pipes without any joints.
| Standard | API / ASTM / EN / JIS / STP etc. |
| Grades | API 5L GR.B, X80 PSL1 PSL2, API 5CT J55, P110ASTM A53 GR.A GR.B / A106 GR.A GR.B GR.C /A333 GR.1 GR.6A210 GR.A GR.C / A192 / A179 / A213 T11-T91 / ASTM A335 P11-P92 |
| C250 / C250LO / C350 / C350LO / C450 / C450LOEN10297 / 10210 / 10216-1 / 10216-2E235-38Mn6, S235JRH-S355K2H, P195TR1-P265TR2, P195GH-P265GH | |
| JIS G3454 3455 3456 3445 3461 3462STPG370, STS370, STPT370, STKM11A-STKM14C, STB340-STB510 , STBA12-STBA24 | |
| Size | Outside Diameter: 21.3-1200mmWall Thickness: 1.5-200mm |
Seamless pipes can withstand 20% more pressure compared to welded pipes, making them suitable for high-stress applications.
The absence of seams enhances the pipe's resistance to corrosion, ensuring a longer service life.
