... or Non-Standard specification according to your drawingApplicable standardGB/ASME/ANSI/EN 10253-1/DIN/JIS/GOSTMaterialCarbon Steel:A234 ... WP7, WP8, and WP91 Stainless Steel Butt Welding Pipe fitting:ASME A403 WP304,304L,316,316L, 319, 310S, 321, ... , water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction etc.PAINTINGAnti-rust oil, rust-proof black oil, hot galvanized ...