Stainless Steel 304/304L Pipe Fittings
Rose Metal Industries is a renowned manufacturer, stockist and global exporter of Stainless Steel 304/304L Pipe Fittings, supplying premium-quality elbows, tees, reducers, caps, stub ends and custom-fabricated fittings. Made from high-grade austenitic stainless steel, these fittings offer excellent corrosion resistance, superior mechanical strength and exceptional durability. With a robust distribution network across Tamilnadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, we support industrial projects with timely deliveries and reliable inventory availability..
Our SS 304/304L Pipe Fittings are engineered according to international standards such as ASTM A403, ASME SA403, ANSI B16.9, B16.11 and MSS-SP specifications, ensuring global compatibility and quality assurance. The low-carbon grade 304L is specially designed for enhanced weldability and reduced carbide precipitation, making it suitable for heavy welding applications without compromising structural integrity. These fittings perform exceptionally well in chemical processing, food industries, pharmaceutical plants, water treatment systems and general engineering environments..
Rose Metal Industries manufactures these fittings in a wide range of dimensions, from ½ inch to 48 inches, in seamless, welded, butt-welded and forged forms. Our production is supported by state-of-the-art equipment, ensuring accurate wall thickness, smooth internal flow paths and high-pressure resistance. Customers across major cities such as Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam, Vijayawada, Mysuru and Puducherry rely on our fittings for both standard and specialized industrial applications..
The chemical composition of Stainless Steel 304/304L includes 18–20% chromium and 8–12% nickel, providing outstanding resistance to atmospheric corrosion, acidic environments and chloride-containing media. With high workability and formability, these fittings can withstand complex fabrication processes including bending, welding, polishing and machining. This versatility makes them ideal for industries where hygiene, corrosion resistance and long-term performance are critical.
✔ Stainless Steel 304/304L Pipe Fittings – Specification
| Specification | ASTM A403 / ASME SA403 |
|---|---|
| Grades | 304, 304L |
| Type | Seamless, Welded, Buttweld, Forged, Custom |
| Size Range | 1/2” – 48” |
| Standards | ANSI/ASME B16.9, B16.11, MSS-SP-75, JIS, DIN |
| Forms | Elbows, Tees, Reducers, Caps, Stub Ends, Cross |
✔ Chemical Composition
| Element | 304 | 304L |
|---|---|---|
| Carbon (C) | 0.08% max | 0.03% max |
| Chromium (Cr) | 18–20% | 18–20% |
| Nickel (Ni) | 8–12% | 8–12% |
| Manganese (Mn) | 2.0% max | 2.0% max |
| Silicon (Si) | 1.0% max | 1.0% max |
| Phosphorus (P) | 0.045% max | 0.045% max |
| Sulfur (S) | 0.03% max | 0.03% max |
✔ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 40% (min) |
| Hardness | ≤ 92 HRB |
✔ Equivalent Grades
| Standard | Grade |
|---|---|
| EN | 1.4301 / 1.4307 |
| DIN | X5CrNi18-10 |
| UNS | S30400 / S30403 |
| JIS | SUS 304 / SUS 304L |
✔ Dimension Chart (Common Sizes)
| NPS | OD (mm) | Thickness (mm) |
|---|---|---|
| 1/2" | 21.34 | 2.77 |
| 1" | 33.40 | 3.38 |
| 2" | 60.32 | 3.91 |
| 3" | 88.90 | 5.49 |
| 4" | 114.30 | 6.02 |
✔ Applications
- Chemical & Petrochemical Industries
- Food Processing & Dairy Equipment
- Oil & Gas Pipeline Systems
- Pharmaceutical & Sanitary Processing
- Heat Exchangers & Pressure Piping
- Marine & Coastal Infrastructure
- Construction & Architectural Fabrication
- Water Treatment & Desalination Plants
SS 304/304L Pipe Fittings also exhibit strong mechanical properties such as a tensile strength of 515 MPa and yield strength of 205 MPa, ensuring dependable operation under high temperature and pressure conditions. Their durability, low maintenance and long service life make them suitable for marine environments, desalination plants, oil & gas pipelines, petrochemical units, heat exchangers and structural applications. These characteristics make them one of the most widely used stainless steel grades in global markets..
As a trusted stainless steel fittings supplier with a strong presence in both domestic and international markets, Rose Metal Industries exports its 304/304L Pipe Fittings to countries across the Middle East, Europe, Africa and Southeast Asia. We provide complete quality documentation including MTCs, third-party inspection reports and customized packing for export consignments. Our commitment to excellence, vast inventory and adherence to global standards have positioned us as a preferred supplier for large-scale industrial and infrastructure projects worldwide..
Frequently Asked Questions (FAQ)
Q1: What is the difference between SS 304 and 304L in pipe fittings?
A: 304L has a lower carbon content (≤0.03%), which improves weldability and reduces carbide precipitation. It is preferred for critical welded pipe systems.
Q2: Do you supply Stainless Steel 304/304L Pipe Fittings across South India?
A: Yes — we supply and deliver to Tamilnadu, Andhra Pradesh, Karnataka, Telangana, Puducherry and even remote regions of the Andaman & Nicobar Islands.
Q3: What standards do your fittings follow?
A: All fittings comply with ASTM A403, ASME B16.9, B16.11, MSS-SP standards and customer-specific requirements.
Q4: Do you provide MTC and third-party inspection?
A: Yes — MTC (3.1), PMI testing and inspection from agencies like BV, TUV, LR, and DNV are available.
Q5: Are customized and non-standard fittings available?
A: Yes — Rose Metal Industries manufactures customized elbows, reducers, and fabricated fittings as per drawing.