... ,DIN,BS,GB 4.Best price with fast delivery 304 Stainless Steel ElbowStandardGB124592005 ,GB13401 2005,GB/T 12459, ... GB/T 13401, SH 3408, ASME/ ANSI B16.9, B16.28, ASTM SA ... 2311, JIS B 2312, JIS B 2313MaterialStainless steel (304,304L,316,316L,321,347H,etc)Carbon steel (10#,20 ... other questions,pls contact me without hesitate. 304 Stainless Steel Elbow