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Mechanical Steel Pipes suppliers China

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EN10305 Cold Drawn Precision Seamless Steel Pipe for Hydraulic Tube
Outer diameter: 25mm -500mm
Wall thickness: 2-50mm
Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305
Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.
Material & Chemical Composition:
EN10305 standard E355, 16Mn, DIN2391 standard ST52, ASTM A106B, C20/20#, CK45
MaterialCSiMnS(=)P(=)CrNiMoother
A106B / C20#0.17-0.230.17-0.370.35-0.650.0350.035=0.25=0.30Cu=0.25
CK45#0.42-0.500.17-0.370.50-0.800.0350.035=0.25=0.30Cu=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
42CrMo0.38-0.450.17-0.370.50-0.800.0250.0250.90-1.200.15-0.25
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 Roughness
Cold-rolled30-100= 12M0.3-1.0H8-H100.4-1.6
Cold-drawn30-250= 12M0.3-1.00.8-1.6
Hone40-500= 12M1000H8-H90.4-0.8
SRB40-400= 7M1000H8-H90.1-0.4
Third Party inspection that is preferred by new customers is proved to be convincing. Through years’ of operation, M/S Ruicheng Steel has established stable contact with world famous third party inspection authorities, like Lloyd’s, BV, SGS, ABS, Intertek, ect. More than 10,000Mtons of steel pipes, tubes, fittings and flanges have been inspected by them.
Any questions or inquiries will be highly appreciated.
Kindly please contact us freely at gracewang@ruichengsteel.cnMechanical Steel Pipes suppliers China
website:http://www.ruichengsteels.com/carbon-steel-pipes-and-tubes/mechanical-steel-pipes/
asked Apr 4 by anonymous

1 Answer

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