20# 45# Carbon Steel Seamless Tube For General construction and mechanical construction

20# seamless steel tube is made of 20# steel, with slightly higher strength than 15#. It is seldom quenched and has no temper brittleness. Cold deformation plasticity is high, generally for bending, calendering, bending and hammer arch processing, arc welding and contact welding welding performance is good, gas welding thickness is small, strict shape requirements or complex shape on the parts prone to crack. Machinability cold drawing or normalizing state is better than annealing state, generally used for manufacturing force is not large and high toughness requirements of the workpiece.

20# seamless steel tube is made of high quality carbon structural steel

Seamless steel pipe is a kind of round, square and rectangular steel with hollow section and no joint around. Seamless steel tube is made of steel ingot or solid tube billet through perforation into wool tube, and then hot rolled, cold rolled or cold drawn. Seamless steel pipe with hollow section, a large number of used as the pipeline for conveying fluid, steel pipe and round steel and other solid steel compared with the bending and torsional strength at the same time, lighter weight, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as oil drilling steel scaffolding.

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  Product Name	Carbon Steel Seamless Pipe/Tube
  Size	Customized or standard
  C	0.17%～0.2%
  Si	0.17%～0.37%
  Mn	0.35%～0.65%
  S	≤0.035%
  P	≤0.035%
  Cr	≤0.25%
  Ni	≤0.25%
  Cu	≤0.25%
  Tensile Strength(σb(MPa))	≥410(42)
  Yield Strength	≥245(25)
  Elongation	≥25
  Hardness	≤156HB,
  reduction of area(ψ(%)	≥5
  Advantage	High Cost Performance and stock available
  Lead Time	7-15 days

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