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ASTM A403 ASME B16.9 BW Stainless Steel Butt Welding Fittings
Product Information
Stainless steel butt weld fittings are a type of pipe fittings used to connect stainless steel pipes together through a butt welding process. These fittings are designed to provide a secure and leak-resistant connection in various piping systems.
Stainless steel butt weld fittings are available in a wide range of types, sizes, and configurations to suit various piping systems. Common types of fittings include elbows, tees, reducers, caps, and stub ends, which allow for directional changes, branch connections, and size transitions.
| 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 Application
Construction and Infrastructure: Stainless steel butt weld fittings find application in construction projects, such as commercial buildings, residential complexes, and infrastructure developments. They are employed in plumbing systems, fire protection systems, and HVAC installations.
Marine and Offshore Industry: Stainless steel butt weld fittings are used in marine and offshore applications due to their resistance to corrosion in saltwater environments. They are employed in shipbuilding, offshore platforms, and marine pipelines.
Automotive Industry: Stainless steel butt weld fittings can be found in automotive manufacturing processes, including exhaust systems, fuel lines, and fluid handling systems. They offer resistance to high temperatures, corrosion, and vibrations.
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 | ||||||
