Gold Member Since 2009
Audited Supplier
Shanghai Vastar International Co., Ltd.

Precision Tube, Precision Steel Pipe, Precision Steel Tube manufacturer / supplier in China, offering Precision Tube, Threaded Flange, Instumentation Tube Fitting and so on.

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Precision Tube

FOB Price: US $600-1,200 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $600-1,200/ Ton
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Production Capacity: 50, 000 Tons/Year
Transport Package: Bundled or Wooden Box.
Payment Terms: L/C, T/T

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Basic Info
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry
  • Origin: China
  • Technique: Cold Drawn
  • Surface Treatment: Oiled
  • Section Shape: Round
  • HS Code: 7304900000
Product Description
Standard: DIN 2391
Steel grade: ST35, ST37, ST37.4, ST45, ST52, ST52.4
Size: OD (4-320mm) X WT (0.5-15mm)
Delivery condition: NBK(+N), GBK(+A), BK(+C), BKW(+LC), BKS(+SR).
Application: Used in hydraulic system, automobile, locomotive and military industry.
 
OD Tolerance4-30mm31-40mm41-50mm51-60mm61-70mm71-80mm81-90mm91-100mm
±0.08mm±0.15mm±0.20mm±0.25mm±0.30mm±0.30mm±0.40mm±0.45mm
WT Tolerance±10%
 
Chemical Composition
StandardGradeCSiMnP  maxS  max
DIN2391-94St35≤0.17≤0.35≥0.40.0250.025
DIN 1630St37.4≤0.17≤0.35≥0.350.040.04
DIN2391-94St45≤0.21≤0.35≥0.40.0250.025
DIN2391-94St52≤0.22≤0.55≤1.60.0250.025
DIN 1630St52.4≤0.22≤0.55≤1.60.040.035
 
Mechanical Properties.
 Cold Drawn(Mandatory)Cold drawn(Soft)Cold Drawn and Stress ReleaseAnnealNormalizing
BK 1 )BKW 1 )(BKS)(GBK) 1 )(NBK) 1 )
Steel gradeTensileElongationTensileElongationTensileYield pointElongationTensileElongationTensileYield pointElongation
N/mm 2%N/mm 2%N/mm 2N/mm 2%N/mm 2%N/mm 2N/mm 2%
St354806420104203151431535340~47023525
St37.44806420104203151431525350~48023525
St45580552085203751239021440~57025521
St52640458075804201049022490~63035522
St52.4------------------500~65035521
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