... 2Meterial: 304,316,304L,316L, etc. DIN 2999 Threaded Pipe Fittings1Size: 1/8 inch to 6 inch2Meterial ... , etc.3Standard:ASME, B16.11,B16DIN 2999 Threaded Pipe Fittings1. Size: 1/2"-6" (DN15-DN150 ... 2. standard: according to ASME B16, ASTM A403, DIN 2605 , JIS B2313 , GB/T12459, GB/T13401, ... Steel, Nickel Copper, Carbon Steel, Low Alloy Steel, Alloy Steel.Stainless Steel material:A403-WP304,A403-WPB304L ...