At Solitaire Fittings, we specialize in manufacturing and supplying high-quality Stainless Steel 304L Buttweld Fittings that meet international standards for strength, durability, and reliability. As a trusted Stainless Steel 304L Pipe Fittings Manufacturer in India, we provide a wide range of fittings that are used in pipelines, pressure vessels, heat exchangers, and various industrial applications across the globe. Whether you are looking for SS 304L Elbows, SS 304L Reducers, SS 304L Pipe Bends, or custom pipe fittings, we offer products that deliver superior corrosion resistance, long service life, and precise dimensional accuracy.
What Are Stainless Steel 304L Butt weld Fittings?
Stainless Steel 304L Buttweld Fittings are pipe fittings made from grade 304L stainless steel—a low-carbon variation of the popular 304 alloy. The “L” stands for “Low Carbon,” which improves weldability and reduces the risk of carbide precipitation during welding. This makes ASTM A403 WP 304L Stainless Steel Buttweld Fittingsideal for use in industries where corrosion resistance and welding performance are critical. These fittings are joined to pipes through a buttweld connection, which ensures a strong, leak-proof, and smooth flow system.
Key Features of ASTM A403 WP 304L Stainless Steel Buttweld Fittings
- Excellent Corrosion Resistance – Performs well in oxidizing and reducing environments.
- Low Carbon Content – Prevents intergranular corrosion during welding.
- High Durability – Withstands high pressure and temperature conditions.
- Versatility – Suitable for use in water, oil, gas, chemical, and food processing industries.
- Hygienic Material – Widely used in pharmaceutical and food-grade applications.
Types of Stainless Steel 304L Buttweld Fittings We Offer
As a leading A403 304L Fittings manufacturer in India, Solitaire Fittings offers a complete range of 304L PIPE FITTINGS including:
➤ SS 304L Elbow
- Available in 45°, 90°, and 180° bends.
- Used to change the direction of fluid flow in pipelines.
- Manufactured in both short radius (SR) and long radius (LR) designs.
➤ SS 304L Reducer
- Connects pipes of different diameters.
- Available as concentric and eccentric reducers.
- Ensures smooth flow transition while minimizing turbulence.
➤ SS 304L Pipe Bend
- Custom-made bends for special angle requirements.
- Used in industries where precise direction change is required.
➤ SS 304L Tee (Equal & Unequal)
- Divides fluid flow into two branches.
- Available in equal and reducing tee designs.
➤ SS 304L End Cap
- Used to close or seal the end of a pipeline.
- Prevents leakage and ensures system safety.
➤ SS 304L Stub End & Collar
- Used with lap joint flanges.
- Suitable for systems that require frequent disassembly.
Advantages of Choosing Solitaire Fittings for 304L Pipe Fittings
- Global Exporter – Recognized as a trusted ASTM A403 WP304 / 304L Stainless Steel Buttweld Fittings Exporter.
- Precision Manufacturing – Products are made with tight dimensional tolerances.
- Custom Solutions – Tailor-made fittings available for specialized requirements.
- International Standards – Manufactured in compliance with ASTM A403 and ASME B16.9 specifications.
- Competitive Pricing – High-quality fittings at cost-effective rates.
- Wide Availability – Ready stock ensures timely deliveries.
Applications of Stainless 304/304L Pipe Fittings
Our WP304L Buttweld Fittings are widely used in industries such as:
- Oil & Gas Industry – Pipelines and refinery systems.
- Petrochemical Plants – High-temperature and pressure operations.
- Pharmaceutical Industry – Hygienic and corrosion-resistant systems.
- Food & Beverage Processing – Safe for handling food-grade materials.
- Water Treatment Plants – Resistant to corrosion in water-based systems.
- Power Generation – Boilers, heat exchangers, and turbine piping.
Stainless Steel 304L Pipe Fittings – Specifications
Our WP304L Buttweld Fittings are widely used in industries such as:
- Standard: ASTM A403 / ASME SA403
- Grade: WP304, WP304L
- Type: Seamless, Welded, Fabricated
- Size Range: ½” to 48” (DN15 to DN1200)
- Schedule: SCH 5s, 10s, 40s, 80s, 160s, XXS
Schedule and Size Chart – Stainless Steel 304L Butt weld Fittings
| Nominal Pipe Size (NPS) | Outside Diameter (OD) (mm) | Wall Thickness – SCH 10S (mm) | Wall Thickness – SCH 40S (mm) | Wall Thickness – SCH 80S (mm) |
|---|---|---|---|---|
| ½” (15 NB) | 21.3 | 2.11 | 2.77 | 3.73 |
| 1” (25 NB) | 33.4 | 2.77 | 3.38 | 4.55 |
| 2” (50 NB) | 60.3 | 2.77 | 3.91 | 5.54 |
| 3” (80 NB) | 88.9 | 3.05 | 5.49 | 7.62 |
| 6” (150 NB) | 168.3 | 4.19 | 7.11 | 10.97 |
| 10” (250 NB) | 273.0 | 4.78 | 9.27 | 12.70 |
| 16” (400 NB) | 406.4 | 6.35 | 12.70 | 19.05 |
| 24” (600 NB) | 610.0 | 6.35 | 12.70 | 25.40 |
Mechanical Properties – Stainless Steel 304L Buttweld Fittings
| Property | Value (Typical) |
|---|---|
| Tensile Strength (MPa) | 515 – 750 |
| Yield Strength (0.2% Proof) MPa | ≥ 205 |
| Elongation (% in 50mm) | ≥ 40% |
| Hardness (Brinell, HB) | ≤ 201 |
| Modulus of Elasticity (GPa) | ~193 |
| Impact Strength (Charpy V-Notch) | Good (down to -196°C) |
Chemical Composition – Stainless Steel 304L Buttweld Fittings
| Element | % Composition (Typical) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Physical Properties – Stainless Steel 304L Buttweld Fittings
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Range | 1400 – 1450 °C |
| Thermal Conductivity | 16.2 W/m·K (at 100 °C) |
| Specific Heat Capacity | 500 J/kg·K (at 0–100 °C) |
| Electrical Resistivity | 0.072 ×10⁻⁶ Ω·m |
| Coefficient of Thermal Expansion | 17.2 µm/m·°C (0–100 °C) |
| Magnetic Properties | Essentially Non-Magnetic |
Why Choose Stainless Steel 304L Buttweld Fittings?
- Better Weldability: Low carbon content ensures high weld strength.
- Corrosion Protection: Protects against chloride and acidic environments.
- Cost-Effective: Offers durability with minimal maintenance.
- Versatile Applications: Widely used in domestic and industrial sectors.
Solitaire Fittings – Trusted WP304L Buttweld Fittings Suppliers
At Solitaire Fittings, we are proud to be one of the leading WP304L Buttweld Fittings suppliers and A403 304L Fittings manufacturers in India. Our products are exported to countries across Asia, Europe, the Middle East, and the USA. With years of expertise, we ensure that every fitting is manufactured with precision and tested for quality. We are committed to providing long-lasting solutions for industries that demand reliability, safety, and strength in their piping systems.
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