... -SCHXXS Standard:ANSI B16.9,ASTM,JIS Material:304/304L,316/316L,321ect. 1)Product: Stainless steel 90 elbow, Butt Welding fitting2) Size ... "3) WT: SCH5-SCHXXS.4) Standard: ASME,ANSI B16.9;JIS B2311,2312,2313;DIN2605,2615,2616,2617 etc.5) Material ... , 321, 321H,304H,347H,904L,UNS S31803,310S, 6) Our stainless steel elbow are corrosion and high-temperature resistant ...