... mm -product name-main material-standard-usessize range(mm)stainless steel pipe 0Cr18Ni9 (304),00Cr19Ni10 (304L),00Cr17Ni14MO2(316L),00Cr17Ni12MO2(316),0Cr19Ni13MO3 ... tube 27SiMnGB5310-2008hydraulic pressure stand hydraulic prop70-377×9-40 alloy-steel pipe12Cr1MoVP22(10CrMo910)T91,P91,P9,T9WB36,Cr5Mo(P5,STFA25,T5 ... 2002 Structure, decoration, construction20*20-500*500 Boiler Seamless Carbon Steel Pipes