GB9948 Tube for Petroleum Cracking
National Standards Tube for Petroleum Cracking Standard GB9948 Application It is used for the seamless steel tubes for furnace, heat exchangers and pipeline in petroleum refining factories. Main Steel Tube Grades 10, 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, 1Cr19Ni9, 1Cr19Ni11Nb etc. Other grades can also be provided after consulting with customers. Chemical Composition Grade Chemical Composition % C Si Mn…