What is the practical difference between straight seam steel pipe and seamless pipe?
Release time:
07 Jun,2023
The difference between straight seam steel pipe and seamless pipe in the production process*** is that straight seam steel pipe is made by rolling the plate open flat and then welded by resistance welding, or submerged arc welding. There is a longitudinal weld seam. Seamless steel pipe is made by hot rolling round steel or by cold drawing process. As the name implies, seamless steel pipe has no welded seam.
The difference between straight seam steel pipe and seamless pipe in the production process*** is that straight seam steel pipe is made by rolling the plate open flat and then welded by resistance welding, or submerged arc welding. There is a longitudinal weld seam. Seamless steel pipe is made by hot rolling round steel or by cold drawing process. As the name implies, seamless steel pipe has no welded seam.
In practical terms, straight seam steel pipe is mainly used for low pressure fluid transportation, low pressure gas transportation, and mine drainage, etc. The material is mainly Q235Aq235B and other ordinary carbon steel. And seamless steel pipe pressure is greater than straight seam steel pipe so generally used for high-pressure fluid transfer, like gas cylinder pipe, diesel oil pressure pipe, there is also a part of the role in the steel structure, its main material and 20 # steel 45 # steel and 16Mn and so on.
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