B16.5 A105N cl3000 weld neck RF Flange 1.Type: WNRF, SO,SW,BLF,LJF ... Payment term: L/C T/TFlange:Stainless Steel: ASTM A 182, A 240 Grade: F 304, 304L, 304H, 316, 316L ... , 321H, 317, 347, 347HCarbon Steel: ASTM A 105, ASTM A 181Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, ... quality of the products, technology solutions, competitive price, on time delivery and customer oriented service as trigger factor ...