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Changzhou Hongtai Precision Steel Pipe Co., Ltd.

Steel Pipe, Seamless Steel Pipe, Cylinder Tube manufacturer / supplier in China, offering DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube, JIS G3445 Seamless Steel Pipe for Automobile Shock Absorber, API 5L, ASTM A53/A106, ASME SA53/SA106 Seamless Steel Pipe and so on.

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DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube

FOB Price: US $400-1,100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $400-1,100/ Piece
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Production Capacity: 600 Tons Per Month
Transport Package: Hexagon Woven Bags
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: HTSP DIN2391
  • Technique: Cold Drawn
  • Surface Treatment: Oiled
  • Section Shape: Round
  • Wt Tolerance: -5%/+5%
  • Heat Treatment: +C +LC +Sr +a +N
  • Specification: 6-68MM
  • HS Code: 7304391000
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry
  • Steel Grade: St52; Ck20; Ck45; E355
  • Certificate: Ts16949
  • Trademark: HTSP
  • Origin: China
Product Description
Product Description

Outer diameter: 6mm -325mm 

Wall thickness: 3-36mm

Material: ST52, Q345B, CK20, CK45, SAE1026

Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305


Honed tubes can be produced according to the demands of costumers that the degree of precision can reach H8/H9. Burnishing and honing service can be provided depending on the roughness requirement of inner diameter.

DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube

Material & Chemical Composition
 DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45

MaterialCSiMnS(≤)P(≤)CrNiMoother

A106B / C20#

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

≤0.25

≤0.30

 

Cu≤0.25
CK45#0.42-0.500.17-0.370.50-0.800.0350.035≤0.25≤0.30
 

Cu≤0.25
Q345B≤0.20≤0.551.00-1.600.0400.040V:0.02-0.15Nb:0.015-0.06Ti:0.02-0.20Alt≥0.015
ST52
E355
16Mn
≤0.20≤0.551.00-1.600.0450.045V:0.02-0.15Nb:0.015-0.06Ti:0.02-0.2016Mn
25Mn0.22-0.300.17-0.370.70-1.000.0350.035≤0.25≤0.25
 

 
27SiMn0.24-0.321.10-1.401.10-1.400.0300.030
 

 

 

 
42CrMo0.38-0.450.17-0.370.50-0.800.0250.0250.90-1.20
 
0.15-0.25
 

Dimension tolerance
Inner Dia (mm)ID Tolerance (mm)WT Tolerance (mm)
H7H8H9H10H11
30+0.021/0+0.038/0+0.052/0+0.084/0+0.130/0±5-10%                      
>30-50+0.025/0+0.039/0+0.062/0+0.100/0+0.160/0
>50-80+0.030/0+0.046/0+0.074/0+0.120/0+0.190/0
>80-120+0.035/0+0.054/0+0.087/0+0.140/0+0.220/0
>120-180+0.040/0+0.063/0+0.100/0+0.160/0+0.250/0
>180-250+0.046/0+0.072/0+0.115/0+0.185/0+0.290/0
>250-315+0.052/0+0.081/0+0.130/0+0.210/0+0.320/0
>315-400+0.057/0+0.089/0+0.140/0+0.230/0+0.360/0

Product description
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

DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube
DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube
DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube
DIN 2391 St52 Hydraulic Seamless Honed Cylinder Tube


 
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