Size
Seamless elbow:1/2"~24" DN15~DN600
Welded Elbow: 1/2”~100" DN15~DN2500
Wall Thickness
sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,
sch120, sch140, sch160, xxs, std,sch5s, sch20s, sch40s, sch80s
Materials
Carbon steel: ASTM/ASME A234 WPB,WPC
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Low-temperature steel: ASTM/ASME A402 WPL 3-WPL 6
High performance: ASTM/ASME A860 WPHY 42-46-52-60-65-70
Surface treatment
Transparent oil, rust-proof black oil or hot galvanized.