... X42-X80, Q235 Standard: ASTM, API, BS, JIS, GB, DIN Brand Name: YF SSAW STEEL PIPE SpecificationsChina StandardSteel GradeStandardseamless steel tubesand ... , 20MnG, 25MnG, 15MoG, 20MoG, 12Cr1MoVG, 15CrMoVG, 12Cr2MoG, 12Cr2MoWVTiB, 12Cr3MoVSiTiB,ASTM A106-96aATSM A213-95aJIS G3461-1988JIS G3462-1998DIN 17175-1979BS3059Part 21990Seamless ... , 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, JIS G3441-1988 SSAW STEEL PIPE