... 15MoG, 20MoG, 12Cr1MoVG, 15CrMoVG, 12Cr2MoG, 12Cr2MoWVTiB, 12Cr3MoVSiTiB,ASTM A106-96aATSM A213-95aJIS G3461-1988JIS G3462-1998DIN 17175-1979BS3059Part ... Medium Pressure Boilers GB3087-199910, 20ASTM A179, ASTM A192ASTM SA179,SA192,BS3059Seamless Steel Tubes for high ... pressure --Chemical fertilizer equipmentGB6479-8610, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo, 12Cr2MoISO 9329-2-1997ASTM A161 ...