SS 304 Buttweld Fittings are stainless steel pipe fittings made out of ASTM A403 WP304 material and used for joining, reducing, diverting or terminating piping systems. These fittings are elbows, tees, reducers, stub ends, caps and bends produced to ASME B16.9 dimensional requirements. Stainless Steel 304 Buttweld Fittings are widely used in chemical processing, oil & gas, food processing, pharmaceuticals, water treatment, and power generation sectors because to its outstanding corrosion resistance, durability, weldability and high-temperature strength.
Stainless Steel 304 Buttweld Fittings Manufacturer & Supplier
We produce and offer comprehensive line of SS 304 Buttweld Fittings for high performance industrial pipe systems. Our fittings are made of high quality austenitic stainless steel and are in accordance with international standards such as ASTM A403, ASME B16.9, MSS SP-43 and ASME B16.28.
They are commonly used in applications where high corrosion resistance, good flow characteristics and long service life are desired. Stainless Steel 304 has a low carbon content and a balanced composition of chromium and nickel, providing outstanding weldability and fabrication qualities, and it is one of the most widely used grades of stainless steel in the international market.
Our product range includes:
- 90 Degree Elbows
- 45 Degree Elbows
- Long Radius Elbows
- Short Radius Elbows
- Equal Tees
- Reducing Tees
- Concentric Reducers
- Eccentric Reducers
- Pipe Caps
- Long Stub Ends
- Short Stub Ends
- Pipe Bends
Common examples include:
- 304 Stainless Steel 90 Degree Elbow – used to change the direction of flow.
- SS 304 3D Bend – used for smooth, gradual directional changes.
- UNS S30400 SS Reducer – used to connect pipes of different sizes.
- Stainless Steel 304 Grade Equal Tee – used to branch a pipeline into two directions.
Key Standards and Grades
- ASTM A403 WP 304 – Specification for wrought austenitic stainless steel fittings.
- ASME B16.9 Stainless Steel 304 Short Radius Elbow – Dimensional standard ensuring compatibility across industries.
- UNS S30400 – Standard designation for 304 stainless steel.
Types of Stainless 304/304L Pipe Fittings
At Solitaire Fittings, we manufacture and stock a wide range of Stainless 304/304L Pipe Fittings to meet diverse industrial needs:
➤ Stainless Steel 304 Grade Equal Tee
The Stainless Steel 304 Grade Equal Tee is used for branching the pipes in two directions with equal output and input sizes. These fittings are utilized extensively in chemical plants, process industries and fluid transfer systems.
- Excellent corrosion resistance
- Leak-proof performance
- Smooth internal finish
- Easy welding and installation
- Suitable for high-pressure applications
➤304 Stainless Steel Schedule 40 Long Radius Elbow
304 Stainless Steel Schedule 40 Long Radius Elbow is used for changing the flow direction with little pressure loss and turbulence. Long radius elbows are commonly utilized in industrial pipelines where smooth flow transition is needed.
- Reduced friction loss
- Better flow efficiency
- High structural strength
- Long operational life
➤ ASTM Schedule 80 SS 304 Grade Long Stub End
ASTM Schedule 80 SS 304 Grade Long Stub End is utilized with lap joint flanges when regular disassembly and repair is required. These fittings offer excellent mechanical performance in higher pressure schedules.
- Food processing plants
- Petrochemical pipelines
- Pharmaceutical processing
- Water treatment systems
➤ Reducers
- UNS S30400 SS Reducer – concentric and eccentric reducers for pipeline size adjustments.
➤ ASME B16.9 SS 304 Pipe Cap
The ASME B16.9 SS 304 Pipe Cap is used to seal the end of piping systems. These caps help prevent contamination, leakage, and damage during operation.
- Strong sealing capability
- Corrosion resistance
- Dimensional accuracy
- Smooth surface finish
Advantages of Stainless Steel 304 Buttweld Fittings
- Excellent Corrosion Resistance: Stainless Steel 304 contains chromium and nickel that provide excellent resistance against oxidation, chemicals, moisture, and atmospheric corrosion.
- Superior Weldability: These fittings can be easily welded and fabricated without compromising structural integrity.
- Hygienic Surface Finish: The smooth surface finish makes them suitable for sanitary and clean-process industries.
- High Temperature Strength: SS 304 fittings perform effectively in elevated temperature applications.
- Long Service Life The durable structure reduces maintenance costs and improves operational reliability.
Applications of SS 304 Buttweld Pipe Fittings
Our Stainless Steel 304 Pipe Fittings are used in multiple industries where safety, hygiene, and durability are critical:
- Food & Beverage Industry: For sanitary pipelines in breweries, dairies, and bottling plants.
- Oil & Gas: For transporting crude oil, natural gas, and petroleum products.
- Chemical Processing: Withstands aggressive chemicals and acids.
- Power Plants: High-pressure steam and water pipelines.
- Pharmaceuticals: Clean and hygienic processing systems.
- Water Treatment: Potable water supply and wastewater management.
Schedule and Size Chart – Stainless Steel 304 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 304 Butt weld 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 304 Butt Weld Fittings
| Element | % Composition (Typical) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| 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 – 11.0 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Physical Properties – Stainless Steel 304 Butt Weld 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 |
Technical Specifications of Stainless Steel 304 Butt Weld Fittings
| Property | Specification |
|---|---|
| Grade | Stainless Steel 304 / 304L (UNS S30400 / S30403) |
| Standards | ASTM A403, ASME B16.9, MSS SP-43 |
| Type | Elbow, Tee, Reducer, Cap, Stub End, Bend |
| Size Range | ½” NB to 48” NB (custom sizes available) |
| Pressure Rating | SCH 10S to SCH XXS |
| Surface Finish | Mill finish, polished, custom finishes available |
| Testing & Certification | 100% radiography, PMI, IGC test, EN 10204 3.1 / 3.2 |
Advantages of Choosing Solitaire Fittings Stainless 304/304L Pipe Fittings
- Wide Product Range: From 304 Stainless Steel 90 Degree Elbow to UNS S30400 SS Reducer, we stock everything.
- Global Exporter: Solitaire Fittings is a trusted exporter to more than 80 countries.
- High-Quality Standards: All fittings undergo strict testing and inspection.
- Competitive Pricing: Cost-effective solutions without compromising on quality.
- Customization: Tailor-made fittings for your specific application.
- Quick Delivery: Large inventory ensures prompt supply for urgent requirements.
Why Choose Solitaire Fittings?
At Solitaire Fittings, we pride ourselves as a leading Alloy Steel A234 WP11 Pipe Fittings Manufacturer with a strong global presence.
- Manufacturing Excellence – State-of-the-art facilities with strict quality checks.
- Wide Product Range – From elbows to reducers, tees, caps, bends, and stub ends.
- Customization – Tailor-made fittings as per project specifications.
- Global Network – Recognized as a Global Supplier of A234 Alloy Steel WP11 Butt weld Pipe Fittings.
- Competitive Pricing – Cost-effective solutions without compromising quality.
- Trusted Exporter – Supplying to over 60+ countries worldwide.
Related Alloy Steel Pipe Fittings We Offer :
The superior properties of ASTM A234 WP11 Cr-Mo Pipe Fittings make them suitable for industries operating under high pressure, high temperature, and corrosive environments.
- SS 304L Buttweld Fittings
- SS 316 Buttweld Fittings
- Stainless Steel Flanges
- Nickel Alloy buttweld Fittings
Why Stainless Steel 304 Butt weld Fittings Are the Preferred Choice
- Versatile Material: 304 stainless steel is the most widely used stainless grade due to its balance of strength, corrosion resistance, and affordability.
- Reliability: Leak-proof welded joints improve safety in critical industries.
- Sustainability: Stainless steel is 100% recyclable, making it an eco-friendly choice.
Frequently Asked Questions
📝 Let’s Find Your Fitting Solution
With decades of experience, Solitaire Fittings has become one of the most reliable Manufacturers and Stockists of Stainless Steel 304 Butt weld Fittings. We are committed to delivering high-quality products with full traceability, global certifications, and unmatched customer support. Whether you need ASME B16.9 Stainless Steel 304 Short Radius Elbow, SS 304 3D Bend, or Stainless Steel 304 Grade Equal Tee, we have the expertise and stock to meet your project needs.
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