Model NO.: HTSP
Steel Grade: E215, E235 ,E355
Capacity: 1000t/Month
Delivery Time: 30-45days
Length: Customized
Certificate: ISO, BV
Wall Thickness: 0.5-20mm
Delivery Condition: Bk, Bkw, Bks, Nbk, Gbk
Trademark: HTSP
Transport Package: Hexagon Woven Bags
Specification: 6-180MM
Origin: China
HS Code: 7304391000
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
 

Material C Si Mn S(≤) P(≤) Cr Ni Mo other

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# 0.42-0.50 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.30
 
Cu≤0.25
Q345B ≤0.20 ≤0.55 1.00-1.60 0.040 0.040 V:0.02-0.15 Nb:0.015-0.06 Ti:0.02-0.20 Alt≥0.015
ST52
E355
16Mn		 ≤0.20 ≤0.55 1.00-1.60 0.045 0.045 V:0.02-0.15 Nb:0.015-0.06 Ti:0.02-0.20 16Mn
25Mn 0.22-0.30 0.17-0.37 0.70-1.00 0.035 0.035 ≤0.25 ≤0.25
 
 
27SiMn 0.24-0.32 1.10-1.40 1.10-1.40 0.030 0.030
 
 
 
 
42CrMo 0.38-0.45 0.17-0.37 0.50-0.80 0.025 0.025 0.90-1.20
  		0.15-0.25
 

Dimension tolerance
Inner Dia (mm) ID Tolerance (mm) WT Tolerance (mm)
H7 H8 H9 H10 H11
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 Form I. D Length Straightness I. D Tolerance I. D Rounghness
Cold-rolled 30-100 ≤ 12M 0.3-1.0 H8-H10 0.4-1.6
Cold-drawn 30-250 ≤ 12M 0.3-1.0   0.8-1.6
Hone 40-500 ≤ 12M 1000 H8-H9 0.4-0.8
SRB 40-400 ≤ 7M 1000 H8-H9 0.1-0.4

 
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