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By certification 
1.Wrought butt welding pipe fittings .
2. 45Deg/90Deg/180Deg/Reducing/3D (LR,SR) Elbow, Straight/Reducing Tee, Cross, Concentric/Eccentric reducer ,lap joint stub ends etc.
3.Material : A234 WPB WPC WP1 WP12 WP11 WP5 WP91 WP911,
A403 WP304 WP304L WP316 WP316L WP304H WP347
A420 WPL6 WPL9 WPL3 WPL8 ,
A860 WPHY42 WPHY 46 WPHY52 WPHY60 WPHY65 WPHY70 WPHY80 etc
4.Standard:ANSI B16.9 ,JIS B2311, DIN 2605/2615/2616/2617 EN10253-1 MSS SP75 GOST17375
5. Surface Sandy Blast , Black painting ,Vanish painting, anti rust oil , galvanized ,3PE
6. Ends: Bevel ends or Plain Ends
7. Application : Petroleum , Chemical ,Power,Gas, Metallurgy,Shipbuilding ,Construction Machinery
8.Packing : Regular export packing as purchaser options
2. 45Deg/90Deg/180Deg/Reducing/3D (LR,SR) Elbow, Straight/Reducing Tee, Cross, Concentric/Eccentric reducer ,lap joint stub ends etc.
3.Material : A234 WPB WPC WP1 WP12 WP11 WP5 WP91 WP911,
A403 WP304 WP304L WP316 WP316L WP304H WP347
A420 WPL6 WPL9 WPL3 WPL8 ,
A860 WPHY42 WPHY 46 WPHY52 WPHY60 WPHY65 WPHY70 WPHY80 etc
4.Standard:ANSI B16.9 ,JIS B2311, DIN 2605/2615/2616/2617 EN10253-1 MSS SP75 GOST17375
5. Surface Sandy Blast , Black painting ,Vanish painting, anti rust oil , galvanized ,3PE
6. Ends: Bevel ends or Plain Ends
7. Application : Petroleum , Chemical ,Power,Gas, Metallurgy,Shipbuilding ,Construction Machinery
8.Packing : Regular export packing as purchaser options