steel pipe fittings carbon steel weld neck flange steel pipe fittings forged carbon steel weld neck flange 1)Welding Neck flange 2)Material: carbon steel 3)Standard: ASME, ANSI forged carbon steel
weld neck flange ANSI B16.5 Class1503006009001500WNSOBLTHLJSW JIS 5K10K16K20KPLSOBL DIN257325722631257626322633254326342545PLSOWNBLTH HG20592-97HG20593-97
Post by HuGuangSheng HuGuangSheng Construction & Real Estate @2013-06-04 14:51:55