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• 2023-11-29

  ASTM A312

  This specification 2 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.

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• 2023-11-28

  ASTM A106

  This specification 2 covers seamless carbon steel pipe for high-temperature service (Note 1) in NPS 1 ⁄ 8 to NPS 48 inclusive, with nominal (average) wall thickness as given in ANSI B 36.10. It shall be permissible to furnish pipe having other dimensions provided such pipe complies with all other requirements of this specification.

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• 2023-11-27

  ASTM A53

  ASTM A53 is a carbon steel alloy, used as structural steel or for low-pressure plumbing. The alloy specifications are set by ASTM International, in specification ASTM A53/A53M.This specification covers seamless steel pipe and welded black and hot-dipped galvanized steel pipe in NPS 1/8 to NPS 26.

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• 2023-09-25

  Seamless Pipe vs ERW Pipe

  Seamless pipe: the use of hot-forming process, the sizing is about 8000C to complete the steel pipe raw material composition, cooling conditions and roll cooling state of its outer diameter have a greater impact, so the outer diameter control is difficult to be accurate and the fluctuation range is larger.

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• 2023-09-25

  Difference between ERW Pipe and EFW Pipe

  ERW steel pipe and submerged arc welding pipe significantly different, using a pressure-free filler metal welding, the weld is not filled with other ingredients, relying on high-frequency current skin effect and proximity effect,

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• 2023-09-25

  Difference Between LSAW Steel Pipe and SSAW Steel Pipe

  The welding process is concerned: a consistent spiral welded pipe and Longitudinal welding, straight seam steel pipe will inevitably have a lot of T-weld, and therefore the probability of the existence of welding defects has greatly improved

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