Stainless Steel 304L BW Fittings Stock List
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If you are looking for high-quality Stainless Steel 304L BW Fittings, you are likely focused on corrosion resistance, weldability, and cost-effective performance. AISI 304L stainless steel, the low-carbon version of 304, is ideal for piping systems that require excellent resistance to intergranular corrosion and reliable welding performance without post-weld annealing.
Gnee offers a complete stock of SS 304L Butt Weld Fittings in various shapes and sizes - ready for immediate delivery. Whether you need elbows, tees, reducers, or caps, our fittings comply with ASTM A403 / ASME SA403 standards and are manufactured according to international specifications.

Technical Details
* We can also customize the length according to your requirements.
* PED certified.
* Made in China.
* Testing: Hydrostatic test, pressure test, destructive and non-destructive testing, metallographic testing, or testing according to your requirements.
* Surface treatment: Polished, brushed, natural color, matte.
* Packaging: Bundled, plastic caps, waterproof packaging, rust-proof paper and plastic bags, wooden pallets and cartons.
Applications
Food & Beverage Processing
Chemical & Petrochemical Pipelines
Pharmaceutical Equipment
Heat Exchangers and Condensers
Water Treatment Plants
Oil & Gas Refineries
Stainless Steel 304L BW Fittings Data Sheet
| Attribute | Description |
|---|---|
| Material Grade | Stainless Steel AISI 304L / UNS S30403 / EN 1.4307 |
| Standard | ASTM A403 / ASME SA403 |
| Type | Seamless / Welded Butt Weld Fittings |
| Form | Elbows, Tees, Reducers, Caps, Stub Ends, Crosses |
| Size Range | ½" to 24" (DN15 to DN600) |
| Wall Thickness | SCH 10S, SCH 40S, SCH 80S, SCH 160 |
| Surface Finish | Pickled, Annealed, Polished (upon request) |
| Connection Type | Butt Weld Ends |
| Manufacturing Process | Cold / Hot Formed, Heat Treated, Beveled Ends |
| Certification | EN 10204 3.1 / 3.2, ISO 9001, PED, SGS, BV approved |
304L BW Fittings Stock List (Ready to Ship)
| Product Type | Size Range (inch) | Schedule | Standard | Availability |
|---|---|---|---|---|
| 90° Elbow | ½" – 24" | SCH 10S – SCH 160 | ASTM A403 WP304L | In Stock |
| 45° Elbow | ½" – 16" | SCH 10S – SCH 80S | ASTM A403 WP304L | In Stock |
| Equal Tee | ½" – 24" | SCH 10S – SCH 160 | ASTM A403 WP304L | In Stock |
| Reducing Tee | ½" – 24" | SCH 10S – SCH 80S | ASTM A403 WP304L | In Stock |
| Concentric Reducer | ½" – 24" | SCH 10S – SCH 160 | ASTM A403 WP304L | In Stock |
| Eccentric Reducer | ½" – 24" | SCH 10S – SCH 80S | ASTM A403 WP304L | In Stock |
| End Cap | ½" – 24" | SCH 10S – SCH 160 | ASTM A403 WP304L | In Stock |
| Stub End | ½" – 12" | SCH 10S – SCH 80S | ASTM A403 WP304L | In Stock |
What is the main difference between SS304 and SS304L fittings?
The main difference lies in carbon content. 304L has a lower carbon level (≤0.03%) than 304 (≤0.08%), making it more resistant to intergranular corrosion after welding.
Are 304L fittings suitable for high-pressure applications?
Yes. When manufactured according to ASTM A403 and with proper wall thickness (e.g., SCH 80S or SCH 160), they can handle moderate to high-pressure service.









