... : BS, JIS, GB, DIN, ASTM Standard: ASTM A106-2006 Grade: 10#-45#, 16Mn, A53-A369, Q195-Q345 Seamless PipeStandard: BS, JIS, GB ... , DIN, ASTMStandard: ASTM A106-2006Grade: 10#-45#, 16Mn, A53-A369, Q195-Q345Grade: 10#, 20#, 45#, 16Mn, A53(A,B), A106(B,C ...