... ,Q345B,L175,L210,L245 Stardard: GB/T9711.1 gas and line pipePlace of originTianjin China(Mainland)Applicationoil pipeWelding ... -Coating Marketing-StorageEndsbevelled or plain endSurface process1.oiled; 2.galvanized; 3.3PE Anti-corruption coatedRaw material testtensile test ... charpy impact,flattening test chemcial analysis,metallographic examinationPackage1.naked;2.both ends with a plastic cap, then put ...