butt welded Pipe fittings general

BW Fittings BW Fitting

1. Elbow 90°   long radius  
2. Elbow 45°  
3. Elbow 90°   short radius
4. Elbow 180° long radius   
5. Elbow 180° short radius
6. Tee straight  
7. Tee reducing
8. Reducer concentric  
9. Reducer eccentric
10. End cap  
11. Lap joint Stub End

BW Fittings General

A SOLUTION OF PIPING SYSTEM - INTERNATION PROJECT MANAGEMENT AND PROCUREMENT SERVICE

Reference Standards 
ASME B16.9 Factory-Made Wrought Steel Buttwelding Fittings
ASME B16.28 Wrought Steel Buttwelding Short Radius Elbows and Returns
ASME B16.25 Buttwelding Ends 
MSS SP-43  Wrought Stainless Steel Butt-Welding Fittings
MSS SP-75  High-Test, Wrought, Butt-Welding Fittings
ASTM A234 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature 
ASTM A860 Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings 
ASTM A420 Piping Fittings of  Wrought Carbon Steel and Alloy Steel for Low-Temperature Service 
ASTM A403 Wrought Austenitic Stainless Steel Piping Fittings
ASTM A960 Common Requirements for Wrought Steel Piping Fittings 

DIN 2605-1 Steel butt-welding pipe fittings:Elbows and bends with reduced pressure factor
DIN 2605-2 Steel butt-welding pipe fittings:Elbows and bends for use at full service pressure
DIN 2615-1 Steel butt-welding pipe fittings:Tees with reduced pressure factor
DIN 2615-2 Steel butt-welding pipe fittings:Tees for use at full service pressure
DIN 2616-1 Steel butt-welding pipe fittings:Eccentric reducers with reduced pressure factor
DIN 2616-2 Steel butt-welding pipe Reducers for use at full service pressure

GB/T12459  Steel butt-welding seamless pipe fittings
GB/T13401 Steel plate butt-welding pipe fittings 
SH3408 Steel butt-welding seamless fittings 
SH3409 Steel plate butt-welding  fittings 

SY/T0609 Specification for high test wrought butt welding fittings (MSS SP 75,MOD)

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