... :ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS STAINLESS STEEL REDUCER TypeButt welded pipe fittingsSizeSeamless 1/2" To 24" Welded ... WP304, 304L, 310, 316, 316L, 321, 347, 904LCarbon Steel: ASTM A234 WPB, WPC ASTM A105 WPHY 42, 46, 52, 56, 60, 65 ... , CCS,and ISO9001:2000Productivity150000 ton per yearKeywords:STAINLESS STEEL REDUCER,carbon steel seamless pipe fittings,steel seamless pipe fittings STAINLESS ...