ST45,CK45,ST52 seamless steel pipe

material :ST37,ST45,ST55,CK45,ST52,size: 1/2" to 12" ,thickness :1mm to 30mm steel pipe
size: 1/2" to 12" ,thickness :1mm to 30mm steel pipe

material and standard as below,
material:St35,St37.4St45St55Ck45St52,20Cr,40Cr,35CrMo,42CrMo,12CrMoV,10CrMo910,12Cr1MoV,15CrMo etc.
standard:GB/T8162-1999 structral seamless steel tube, GB/T8163-1999 fluid seamless steel pipe ,
GB/T3087-1999 boiler tube, GB/T5310-1999 high-pressure boiler seamless steel pipe .
Update Date:2011-9-23 1:34:26