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Shanghai Vastar International Co., Ltd.

Non Alloy Steel Tube, Seamless Round Tube, Round Seamless Steel Tube manufacturer / supplier in China, offering Seamless Circular Tubes of Non Alloy Steels with Special Quality Requirements DIN1629, Stainless Steel Tube Fitting, Sanitary Stainless Steel Tube and so on.

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Seamless Circular Tubes of Non Alloy Steels with Special Quality Requirements DIN1629

FOB Price: US $500-800 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $500-800/ Ton
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Port: Tianjin, China
Production Capacity: 200000 Tons/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DIN 1629
  • Technique: Hot Rolled
  • Surface Treatment: Varnishing
  • Section Shape: Round
  • Transport Package: Bundle or Bare Loose.
  • Origin: China
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Pipeline Transport, Boiler Pipe, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
  • Trademark: VASTAR
  • Specification: OD10-610mm
Product Description
DIN1629 Seamless Circular Tubes of Non Alloy Steels with Special Quality Requirements
Standard: DIN 1629
Steel Grade: St.37.0, St44.0, St52.0
Application: used in the construction of chemical plant, vessels, pipework etc.

Chemical Composition:
Steel gradeType of deoxidization (R, killed (including semi-killed), (RR, fully killed)Chemical Composition, % by mass
symbolMaterial No.CPSNAddition of nitrogen fixing elements (e.g. not less than 0.020% Al total)
St37.01.0254R0.170.0400.0400.009--
St44.01.0255R0.210.0400.0400.009---
St52.01.0421RR0.220.0400.035---Yes

Mechanical Properties (for wall thickness exceeding 65mm, the values shall be agreed at the time of ordering
Steel GradeUpper yield stress ReH for wall thickness, in, mmTensile Strength Rm N/mm2Elongation %
SymbolMaterial No.<=16>16,<=40>40,<=65longitudinalTransverse
St37.01.0254235225216350 to 4802523
St44.01.0255275265255420 to 5502119
St52.01.0421355345335500 t0 6502119

Tolerance on OD:
OD  mmAllowable deviation of pipe body and pipe end
≤100±1% or ±0.5mm
100<OD≤200±1%
>200±1%

Tolerance on Length:
Length (m)Allowable deviation (mm)
<=6m+10, 0
>6m, <=12m+15, 0
>12mAs agreed


Seamless Circular Tubes of Non Alloy Steels with Special Quality Requirements DIN1629
 
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