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Changzhou Hongtai Precision Steel Pipe Co., Ltd.

Seamless Steel Tube, Steel Tube, Seamless Steel Pipe manufacturer / supplier in China, offering En10305 Cold Drawn /Rolling Seamless Steel Pipe for Hydraulic Tube, JIS G3445 Stkm12b Seamless Steel Pipe Bushing Tube Sleeve, JIS G3445 Stkm12A Seamless Steel Pipe Bushing Tube Sleeve and so on.

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Supplier Homepage Product Shock absorber steel pipe En10305 Cold Drawn /Rolling Seamless Steel Pipe for Hydraulic Tube

En10305 Cold Drawn /Rolling Seamless Steel Pipe for Hydraulic Tube

FOB Price: US $400-1,000 / Ton
Min. Order: 3 Tons
Min. Order FOB Price
3 Tons US $400-1,000/ Ton
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Port: Shanghai, China
Production Capacity: 1000 Tons Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: EN10305-1
  • Technique: Cold Drawn
  • Surface Treatment: Oiled
  • Section Shape: Round
  • Certificate: ISO, BV
  • Heat Treatment: +C +LC +Sr +a +N
  • Delivery Time: 30-45days
  • Trademark: HTSP
  • Specification: 6-180MM
  • HS Code: 7304319000
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
  • Steel Grade: E355 E235 E215
  • Wall Thickness: 0.5-20mm
  • Length: Customized
  • Capacity: 1000t/Month
  • Transport Package: Hexagon Woven Bags
  • Origin: China
Product Description
Product Description

Outer diameter: 6mm-325mm 

Wall thickness: 3-36mm

Material: E215,E235,E355

Standard: EN10305, JIS G3445, GB/T3639-2009, DIN2391,

Cold Drawn Tube can be produced according to the demands of costumers, the innal hole accurancy can reach H8,H9.

Processing FormI. DLengthStraightnessI. D ToleranceI. D Rounghness
Cold-rolled30-100≤ 12M0.3-1.0H8-H100.4-1.6
Cold-drawn30-250≤ 12M0.3-1.0 0.8-1.6
Hone40-500≤ 12M1000H8-H90.4-0.8
SRB40-400≤ 7M1000H8-H90.1-0.4

Material Composition

Product NameE215 steel pipeE235 steel pipeE355  steel pipe
chemical analysisC:≤0.10;Si:≤0.05;Mn:≤0.70;P:≤0.025; S:≤0.025;Al:≤0.025C:≤0.17;Si:≤0.35;Mn:≤1.20;P:≤0.025; S:≤0.025C:≤0.22;Si:≤0.55;Mn:≤1.60;P:≤0.025; S:≤0.025
Tensile Strength+C,≥430MPa; +LC,≥380MPa;+SR,≥380MPa;+A,≥280MPa;+N,290-430MPa+C,≥480MPa; +LC,≥420MPa;+SR,≥420MPa;+A,≥315MPa;+N, 340-480MPa+C,≥640MPa; +LC,≥580MPa;+SR,≥580MPa;+A,≥450MPa;+N,490-630MPa
Yield strength+SR,≥280MPa; +N,≥215MPa+SR,≥350MPa;
  +SR,≥450MPa; +N,≥355MPa
LengthAs customer's request
PackagingStandard export packing, packed in woven bags, with two nylon slings, or can be customized as request
Heat Treatment/      Delivery Condition
  1. Cold finished (hard)   BK(+C)
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
  1. Cold finished (soft)    BKW(+LC)
The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)
  1. Cold finished and stress-relieved annealing BKS(+SR)
Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
  1. Annealed    GBK(+A)
The last Cold forming process is followed by annealing in a controlled atmosphere.
  1. Normalized   NBK(+N)
The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.
Delivery TimeWithin 35-50 days from receiving deposit
Payment Term100% L/C at sight or 30% deposit, 70% balance against copy of B/L
Usage/ApplicationPipes for automobile and motorcycle
Main MarketAsia, Middle East, Europe, etc.

Dimension tolerance
Inner Dia (mm)ID Tolerance (mm)WT Tolerance (mm)
En10305 Cold Drawn /Rolling Seamless Steel Pipe for Hydraulic Tube
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