... .9/16.28. Product Name: Hot steel pipe fitting1. Type; elbow , Tee , reducer , cap 2, Size: 1/2"~72"3, ... Standard: ANSI B16.9/B16.28, ASTM, API5L,DIN2605/2605/2606,JIS P2311/2312, ASME B36.10M ... --19964, Meterial:ASTM , A234,WPB,Carbon steel5.Thick ness:SCH20, SGP,STD,SCH40 ... GalvanizedAttached some of our product photos for your reference: steel elbow