Description of goods:                                                                                                  

   

Standard DIN2391, EN10305, DIN17175,JIS G3445, ASTM A519, GB/T 8713...
Material ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C.....
Outer diameter 20mm-480mm
Wall thickness 3mm-25mm
Length 1-12m, random or fixed, as the clients' requests
Technology High precision Cold drawn/ Cold rolled
Heat treatment BK/BKS/NBK
Advantages 1.Short delivery time
2.Quality assurance
3.Competitive price
4.Superior Service

 

  

 Chemical composition of Materials:                                                                             

 

Steel Grade C Si Mn P≤ S≤ Cu≤ Ni≤ Cr≤ Mo≤ V≤
ASTM A106 B ≤0.3 / ≤1.2 0.05 0.06 0.4 0.4 0.4 0.15 0.08
ST35 ≤0.18 0.15-0.35 0.35-0.65 0.035 0.035 0.25 0.25 0.25 / /
ST45 ≤0.25 0.15-0.35 0.5-0.8 0.035 0.035 0.25 0.25 0.25 / /
ST52 ≤0.2 ≤0.55 ≤1.5 0.035 0.035 0.25 0.25 0.25 / /
CK45 0.42-0.5 0.17-0.37 0.5-0.8 0.035 0.035 0.25 0.25 0.25 / / 

 

Mechanical Properties                                                                                                     

Steel Grade Rm MPa ReH Mpa
ST45

≥520

≥375
ST52(E355)

≥600

≥520
SAE1026

≥600

≥510
16Mn

≥600

≥520
20#

≥520

≥375

 

Tolerance table of Steel tube                                                                                          

High quality cold drawn Seamless Carbon Steel Pipe for Oil and Gas tube

 

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