API ASTM Seamless Steel Pipe (0)
Category: Pipe Fittings (Joints, Flange, Couplings, etc.)
Standard?GB, astm, API
Standard?GB/T9711, astm A106-2006, astm A53-2007, API 5CT, API 5L
Grade?10#-45#, 16Mn, A53-A369, Q195-Q345
Grade?20#, 16Mn, A53(A,B), A106(B,C), Q235, Q345
Thickness?2.7 ...