ASTM A403 ASME B16.9 BW Stainless Steel Butt Welding Fittings CAP 1/2" to 48" Size Range SCH5 to SCH160
Stainless steel butt weld fittings provide robust and durable connections between pipes with welded joint strength comparable to the pipes themselves, ensuring long-lasting performance under high-pressure or high-temperature conditions.
These fittings offer excellent corrosion resistance, making them suitable for corrosive environments and media. The stainless steel material provides protection against rust, oxidation, and chemical attack, maintaining integrity over time.
| Product Name | ASTM A403 ASME B16.9 BW Stainless Steel Butt Welding Fittings |
|---|---|
| Size Range | 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 |
Butt welding fittings are manufactured from pipe, tubing, plate, or forging using hot forming or cold forming processes in welded or seamless pipe. Available as standard fittings meeting all ASME B16.9 dimensional requirements or customized fittings with dimensions agreed between customer and manufacturer.
Standard butt welding fittings include:
- Elbows (90°, 45°, long radius, short radius, 3D radius, reducing)
- 180° returns (long radius, short radius)
- Tees & crosses (straight or reducing)
- Lap joint stub ends (long pattern, short pattern)
- Caps
- Reducers (concentric or eccentric)
| 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 |
| Fitting Type | Seamless Range | Welded Range |
|---|---|---|
| Elbow | 1/2"-16" | 18"-72" |
| Tee | 1/2"-16" | 18"-72" |
| Reducer | 1/2"-16" | 18"-72" |
| Cap | 18"-56" | - |
All fittings available in wall thickness: Sch 5S-Sch160
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