Seamless Steel Pipes139.7-244.5
Jan 20 2010
Specifications
OD: 139.7-244.5,wtk:6-26,length: upto 13m
material:10#,20#,q345,37mn5,j55,k55,N80,20G,15MoG,15CrMog,X42-X80
Standard:GB/T8162/8163-1999,APISpec5L/5CT,GB/T9711.1/2-1997/1999,GB3087-19…
HS-CODE : 28-