... ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS STAINLESS STEEL REDUCER TypeButt welded pipe fittingsSizeSeamless 1/2" To 24" ... XXSStandardsANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialStainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L ... CCS,and ISO9001:2000Productivity150000 ton per yearKeywords:STAINLESS STEEL REDUCER,carbon steel seamless pipe fittings,steel seamless pipe fittings ...