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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 DIN 1629 Seamless Circular Tubes of Non Alloys Steel, Stainless Steel Welded Pipe 304L, Precision Stainless Steel Capillary Tube and so on.

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Supplier Homepage Product Seamless Steel Pipe Line Pipe DIN 1629 Seamless Circular Tubes of Non Alloys Steel

DIN 1629 Seamless Circular Tubes of Non Alloys Steel

FOB Price: Get Latest Price
Min. Order: 5 Tons
Production Capacity: 2000 Tons/Year
Transport Package: by Bundle or as Per Client′s Requirements
Payment Terms: L/C, T/T

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Basic Info
  • Origin: China
Product Description
DIN 1629 Seamless Circular Tubes of Non Alloys Steel
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



Size Tolerance:

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
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