Butt Weld Fittings

Fitting types  

45, 90, 180 degree long / short radius elbow, equal tee, reducing tee, equal cross, reducing cross, concentric reducer, eccentric reducer, pipe cap, barreled tee, etc.  

DESCRIPTION  

Carbon steel  

ASTM A 234 WPB、A420 WPL1、WPL3、WPL6，ASTM A860 WPHY 42、WPHY52、WPHY60、WPHY65、WPHY70  

Stainless steel  

ASTM A403 WP304/304L、WP316/316L、WP321、WP347  

Alloy steel  

ASTM A234 WP1、WP5、WP9、WP11、WP12、WP22、WP91  

Dual phase steel and super dual phase steel:  

ASTM A815 UNS S31803、UNS S32750、UNS S32760  

Schedule:  

Carbon and alloy steel  

Standard, XS, XXS, sch10-sch160  

Stainless steel  

Sch5s, 10s, 40s, 80s series  

Designated Standard  

ASME(ANSI) Standards  

B16.9 Factory-Made Wrought Steel Butt-Welding Fittings  

B16.28 Wrought Steel Butt-Welding Short Radius Elbows and Returns  

B16.25 Butt Welding Ends  

B36.10 Welded and Seamless Wrought Steel Pipe  

B36.19 Stainless Steel Pipe  

ASTM Standards  

A105 Standard Specification for Carbon Steel Forgings for Piping Applications  

A234 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service  

A403 Wrought Austenitic Stainless Steel Piping Fittings  

A420 Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low Temperature Service  

A815 Wrought Ferric, Ferric/Austenitic, and Martensitic Stainless Steel Piping Fittings  

MSS Standards  

SP-43 Wrought Stainless Steel Butt-Welding Fittings  

SP-75 High Test Wrought Butt-Welding Fittings  

SP-79 Socket Welding Reducer Inserts  

SP-87 Factory-Made Butt-Welding Fittings for Class I Unclear Piping Applications  

JIS/KS Standards  

JIS B2311/KS B1522 Steel Butt-Welding Pipe Fittings for Ordinary Use  

JIS B2312/KS B1541 Steel Butt-Welding Pipe Fittings  

JIS B2313/KS B1543 Steel Plate Butt-Welding Pipe Fittings  

JIS B2220 Steel Welding Pipe Flanges  

DIN Standards  

2605-1 Steel Butt-Welding Pipe Fittings; Elbows and Bends with Reduced Pressure Factor  

2609 Steel Butt-Welding Pipe Fittings; Technical Delivery Conditions  

2615-1 Steel Butt-Welding Pipe Fittings; Tees with Reduced Pressure Factor  

2615-2 Steel Butt-Welding Pipe Fittings; Tees for Use at Full Service Factor  

2616-1 Steel Butt-Welding Pipe Fittings; Eccentric Reducers with Reduced Pressure Factor  

2616-2 Steel Butt-Welding Pipe Fittings; Reducers for Use at Full Service Pressure Factor  

2617 Steel Butt-Welding Pipe Fittings; Caps  

BS Standards  

BS1965 Steel Butt-Welding Pipe Fittings  

BS4504 Circular Flanges for Pipes, Valves and Fittings  

EN Standards  

10253-1 Butt-Welding Pipe Fittings; Wrought Carbon Steel for General Use and Without Specific Inspection Requirements