Precision Seamless Steel Pipe for Auto Spare Parts

Precision Seamless Steel Pipe for Auto Spare Parts

precision seamless metal pipe for auto spare areas

Outer Diameter(O.D): six~102mm
Wall Thickness(W.T): .six~19mm
Size 1~twelve,
Precision:The common difference of inner diameter could be managed in the scope of .1mm
Materials: carbon steel (A53, A106, A1045,St37, St45-8, St42-2, CK45 etc)
                alloy steel (4St52, A210-C, J55SAE5120, SAE5140,SAE5120 and so forth)
CZPT: JIS G3441,JIS G3444,JIS G3445,DIN1629,DIN 2391,EN10305,EN15710,GB/T 8162-2008, GB/T 8163-2008, GB/T3639-2009 etc
 

Chemical composition
CZPT Grade Chemical composition:(%)
C Si Mn P≤ S≤ Cr Mo Cu≤ Ni≤ Ti V Nb
GB/T 699 10 .07~.13 .17~.37 .35~.sixty five .035 .035 ≤0.15   .twenty five .three      
20 .seventeen~.23 .17~.37 .35~.sixty five .035 .035 ≤0.35   .twenty five .3      
35 .32~.39 .17~.37 .50~.eighty .035 .035 ≤0.twenty five   .twenty five .3      
45 .forty two~.50 .seventeen~.37 .fifty~.eighty .035 .035 ≤0.twenty five   .25 .3      
GB/T3077 20Cr .eighteen~.24 .17~.37 .50~.eighty .035 .035 .70~1.00            
40Cr .37~.forty four .seventeen~.37 .fifty~.80 .035 .035 .80~one.ten            
20CrMo .17~.24 .seventeen~.37 .forty~.70 .035 .035 .eighty~one.ten .fifteen~.twenty five          
42CrMo .38~.forty five .seventeen~.37 .fifty~.80     .ninety~one.20 .15~.twenty five          
20CrMnTi .17~.23 .seventeen~.37 .eighty~one.ten     1.00~one.30       .04    
~.10
GB/T1591 Q345B ≤0.20 ≤0.fifty five 1.00~one.60 .04 .04         .02 .02 .015
~.20 ~.15 ~.060
Mechanical qualities                
CZPT Quality Tensile strength (Mpa) Yield strength (Mpa) Elongation (%) Hardness HBW                
No less than No less than                
GB/T8162 ten# >=335 205 24                
20# >=410 245 twenty                
35# >=510 305 17                
45# >=590 335 14                
Q345B 470-630 345 twenty                
20Cr >=785 490 10 179                
40Cr >=980 785 9 207                
20CrMo >=845 635 11 197                
42CrMo >=1080 930 12 217                
20crMnTi >=1080 835 10 217                
material&regular comparison desk                
GB ASTM/ASME DIN EN JIS        
GB/T8162 10 A53 A DIN1629 St37 EN17121 St37-two/3 G3454 STPG370        
GB/T8163 A106 A        
GB/T3639 A519 1571        
  20 A53 B DIN1629 St44 EN17121 St44-2/3 G3454 STPG410        
  A106 B        
  A519 1571        
  forty five A1045     CK45                
  Q235 A519 1571     EN15710-1 S235JRH G3444 STK400        
  EN1097-1 E235            
  Q345 A519 1524 DIN1629 St52     G3444 STK500        
  37Mn5 J55                      
  35CrMo   4135         G4105 SCM435        
  20Cr   5120           SCr420        
  40Cr   5140           SCr440        
  15CrMo               SCM415        
  20CrMo   4119           SCM420        
  42CrMo   4150/4142           SCM440        
  20CrMnTi               SMK22        

Precision Seamless Steel Pipe for Auto Spare Parts

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