1.321 stainless steel elbow 2.Size:1/2"-48" Sch5S~XXS 3.Standard:ASTM, ... , JIS B 2312, JIS B 2313MaterialStainless steel (304,304L,316,316L,321,347H,etc)Carbon steel (10#,20#,Q235,20G,A106B,St35,etc ... ,Short radius,90Deg,45Deg,180DegTechniqueForged,weldingApplicationelectric power,power plant,pipe fittings,industry,,pressure vessel,chemical,petroleum,ship building,metallurgy,machinery,food ...