A335 GR P11 Alloy ANSI B16.25 steel Pipes Size: 1/2"-96" inspection: X-Ray test Certificate: API ... purposeASTN A519-98 JIS G3441-1994 JIS G3444-1994Seamless steel tubes and pipes forGB/T8163-199910, 20, Q295, Q345ASTM A53-98liquid serviceASTM ... -94Seamless steel tubesGB9948-8610, 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, JIS G3441-1988for petroleum cracking A335 GR P11 Alloy ANSI B16.25 steel Pipes