1. Product: Steel Elbow, Carbon Steel Elbow, Carbon Seamless Steel Elbow Size:NPS: 1/2''~24''(Seamless), 24''~72''(Welded);DN: 15~1200, WT: 2~80mm, SCH 5~XXS Material & Standard:Carbon Steel --- ASME B16.9, ASTM A234 WPB Stainless Steel --- ASTM A403 304/304L/310/310S/316/316L/317L/321 ;Alloy Steel --- ASTM A234 WP1/5/9/11/12/22/91 2. Product: Flange, Steel Flange, Carbon Steel Flange Size: NPS from 1/2'' to 24'', CLASS from 150 to 2500 Material: Carbon Steel --- ASTM A105,ASTM A350 LF1,LF2,LF3,A36,ASTM A234 WPB Stainless Steel --- ASTM A403 F304/304L, 316/316L,316Ti,321,317L,310S Alloy Steel --- ASTM A234 WP1/5/9/11/12/22/91 Standard: ANSI/ASME B 16.5, DIN, JIS, AWWA, API, ISO etc 3. Product: Tee, Steel Tee, Carbon Steel Tee, Carbon Seamless Steel Tee Size: NPS from 1/2'' to 36'', DN from 15 to 900;WT: 2-80mm, SCH 40/80/XXS Material & Standard:Carbon Steel --- ASTM A234 WPB/WPC, ANSI B 16.9, ASTM A105/A106/A53,Stainless Steel --- ASTM 403 304/304L,316/316L,316Ti,321,317L,310S ;Alloy Steel A234 WP1/5/9/11/12/22/91--- ASTM 4.Product: Reducer, Steel Reducer, Carbon Steel Reducer, Carbon Seamless Steel Reducer Size:NPS from 3/4'' to 48'', DN from 20 to 1200,WT: 2-80mm, SCH 40/80/XXSS Material & Standard:Carbon Steel --- ASTM A234 WPB/WPC, ASTM A105/A106/A53/A283-D, API 5l GR.B/A671-CC-70/A515-50/A135-A/A179-C Stainless Steel --- ASTM 403 304/304L, 316/316L,316Ti,321,317L,310S; Alloy Steel --- ASTM 234 WP 1/5/9/11/12/22/91