alloy steel flanges supplier

alloy steel flanges supplier
　ANSI stainless flange blind flange 　　Type:Blind Flange,WN Flange 　　Dimension:1/2"-60" (DN15-DN1500) 　　Pressure :PN6-PN100 　　Material:Carbon Steel  　　Stainless Steel :ASTM A182 F304 /F304L /F316 /F316L /F321/SUS304 　　Alloy Steel :ASTM A182 F5 /F9 /F11 /F22 　　ASTM A350 LF2 　　Standard :ANSI/ASME B16.5 /B16.47 /MSS-SP-44 /B16.48 /16.36/API/DIN/EN/JIS/BS/UNI 　　Certificate:ISO9001-2000,Material certificate, Physico-chemical analysis certificate,BV.SGS ect. 　　Inspection:in-house or the third party(SGS,BV)