ASTM A403 ASME B16.9 BW Stainless Steel Butt Welding Fittings
Product Information
| Product Name | ASTM A403 ASME B16.9 BW Stainless Steel Butt Welding Fittings |
| Size Range | Dimension: 1/2” to 48” |
| Wall Thickness | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS |
| Pressure Class | Class 150 to Class 2500 |
| Standards | ASTM A403 |
| Dimensions | ASME B16.9 |
Stainless Steel Butt Welding Fitting
Butt weld fittings are pipe fittings used to change of direction of flow, to branch off, reduce pipe size or attach auxiliary equipment. Butt weld pipe fittings in stainless steel are the joining components that make possible the assembly of valves, pipes and equipment onto the piping system. And butt weld fittings are available in multiple shapes, such as elbows, tees, caps, reduces, stub ends and olets.
The butt welding fittings are made of pipe, tubing, plate, or forging. The fittings can be made from a hot forming or cold forming process, in welded or seamless pipe. It may be a standard fitting that meets all dimensional requirements of ASME B16.9 and or customized fitting in conformance with ASME B16.9, except that dimensional requirements are as agreed between customer and manufacturer.
The standard butt welding fittings can be furnished in various forms covering elbow (90°, 45°, long radius, short radius, 3D radius, reducing), 180° return (long radius,short radius), tee & cross (straight or reducing), lap joint stub end (long pattern , short pattern), cap, reducer (concentric or eccentric). The wall thickness of the fitting is often specified by a schedule number, which is a dimensionless number that is widely used as a convenient designation for use in ordering pipe and fittings.
Materials of Butt-Welding Fittings
| Steel Type | Materials | Grades |
| Stainless Steel | ASTM A403/A403M | WP304(H/L/N/LN) WP309 WP310 WP316(H/L/N/LN) WP317 WP321 WP321/H WP347 WP347/H WP348 |
| Carbon Steel | ASTM A234/A234M | WPB WPC WP1 WP12CL1 WP12CL2 WP11CL1 WP11CL2 WP11CL3 WP22CL1 WP22CL3 WP5CL1 WP9CL1 WP9CL3 WPR WP91 WP911 |
| LT Carbon Steel: | ASTM A420/A420M | WPL6 WPL9 WPL3 WPL8 |
Size Ranges
| | Elbow | Tee | Reducer | Cap |
| Seamless | Welded | Seamless | Welded | Seamless | Welded | Seamless |
| Nominal Pipe Size | 1/2”-16” | 18”-72” | 1/2”-16” | 18”-72” | 1/2”-16” | 18”-72” | 18”-56” |
| Wall Thickness | Sch 5S-Sch160 |
ELITE EQUIPMENTS&PRODUCTION ABILITY
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ASME B16.9 Stainless Weld Elbows , ASTM A403 BW SS Buttweld Fittings Images
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