1.321 stainless steel elbow 2.Size:1/2"-48" Sch5S~XXS 3.Standard:ASTM,AISI,EN,DIN,BS,GB 4.Best price with fast delivery 321 Stainless Steel ElbowStandardGB124592005 ,GB13401 2005,GB/T 12459, GB/T 13401, SH 3408, ASME/ ANSI B16.9, B16.28, ASTM SA 403, JIS B 2311, JIS B 2312, JIS B 2313MaterialStainless steel (304,304L,316,316L,321,347H,etc)Carbon steel (10#,20#,Q235,20G,A106B,St35,etc)Alloy steel ...