... BV,NK etc Material:stainless steel Size:1/2-80" Moq:10pc Stainless steel and Figure 8 blind flange ... JPI , ASMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9,WPL3,WPL6A;ST 37.2.2)Stainless Steel: ASTM A403 ... WP22,WP5, WP9,WP914)Duplex & Super Duplex Stainless Steel :ASTM A815 UNS S31803,UNS S32750, UNS S32760PackagingWooden ... ISO9001:2000 strictly. Stainless steel and Figure 8 blind flange