... 4.Favorable price 5.Quick delivery 1.Carbon Steel Weld Neck Flange ANSI B16.52.Size: 1/2"-72"3.Wall Thickness: SCH10 ... A403 WP304/304L, WP316/316L, WP321, WP347, WPS 31254DIN:1.4301, 1.4306, 1.4401, 1.4571JIS:SUS304, SUS304L, SUS316, SUS316L, SUS321 6.Standard ... JIS2312, JIS2313, DIN2605, DIN2609, DIN2615, DIN2616, DIN2617, GB/T12459, MSS SP 75, BS, EN7.Application range: petroleum,chemical,oil and gas ...