Product Name ASME B16.5 flange Size DN15~1500, 1/2"~60" Pressure rating 150#~2500#, PN16~PN160 Standard ASTM 403, ASME/ANSI B16.9, B16.28, EN/DIN2605, JIS ,GB/T12459,GB/T13401, SH3408(Seamless), SH3409(Welded) Materials 304/304L ,304H,316/316L, 316H,321,321H,347,347H, 310S(2520), 31254, 32750, 2205, Copper alloy, Titanium alloy. Applications Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, Oil etc Type RF, FF, WN, RTJ, RJ SW.