Construction, Boards, Pipes, Malleable Iron Pipe Fittings (BS, DIN & ANSI thread standard, size from 1/8” to 6”), Carbon Steel Pipe Nipple & Socket (size from 1/4” to ”6), Carbon Steel welded Pipe (ASTM A53, BS1387/1985 standard), Carbon Steel Steamless Pipe (API 5L GRADE B/ASTM A53 GRADE B/ASTM A106 GRADE B, sizes:1/4”, 3/8”, 1/2” 12”), Flanges:AMERICAN STANDARD:ASTM A105, ASTM A182 ANSI B16. 5, JAPANESE STANDARD:JIS B2220, BRITISH, Pipe Fittings, Pipes and Tubes ...