Q345B/16Mn/Q355B Seamless steel pipe

• Carbon steel： 10 #, 20 #, 35 #, 45 #, S45C, 55 #, Q235B, Q235C, Q345D, CF53, A105Alloy steel： 16 mn (Q345B), 20 cr, 40 cr, 15 crmo, 20 crmo, 28 crmo, 30 crmo, 35 crmo, 42 crmo, 4130414, 20 CrMnTi, 40 m7 mn5 ZF6, 16 mncr5, 20 mncr5, 36 mn2v, 38 mn2v, mn2 20, 65 mn, 15 mo3Other： special material ca...