Precision Cold Drawn Seamless Steel Tube/Pipe Carbon or Low-Alloy Steel (Machanical and Hydraulic)

Product DescriptionOuter diameter: 25mm -500mm Wall thickness: 2-50mmMaterial: ST52, Q345B, CK20, CK45, SAE1026Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.Material & Chemical Compo

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Product Description

Outer diameter: 25mm -500mm 

Wall thickness: 2-50mm

Material: ST52, Q345B, CK20, CK45, SAE1026

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
 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
 

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

Delivery condition: 
BKBKWBKSGBKNBKQ+T
+C+LC+SR+A+N
Cold rolledCold drawnStress relievedAnnealedNormalizedQuenched+Tempered

Product Processing
Precision Cold Drawn Seamless Steel Tube/Pipe Carbon or Low-Alloy Steel (Machanical and Hydraulic)

Quality Control
Precision Cold Drawn Seamless Steel Tube/Pipe Carbon or Low-Alloy Steel (Machanical and Hydraulic)

Packing & Delivery

Packing Details: bundle packing, slightly internal and external oil coating for anti-rust protection, or as required.
Delivery: 
 Within 15 days after advance payment.
 

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