Stainless Steel 304/304L Flat Bars
Stainless Steel 304/304L Flat Bars manufactured, stocked, and exported by Rose Metal Industries are widely recognized for their superior corrosion resistance, durability, and excellent forming capabilities. As a leading global stainless-steel supplier, the company caters to both domestic and international markets with high-quality SS 304/304L Flat Bars suitable for structural, architectural, and industrial applications. These flat bars are widely supplied across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry), and the Andaman & Nicobar Islands, fulfilling the demand of engineering, fabrication, construction, and marine sectors..
Rose Metal Industries produces Stainless Steel 304/304L Flat Bars using premium raw materials and advanced production technology to ensure exceptional surface finish, dimensional accuracy, and mechanical strength. SS 304 is the most commonly used austenitic stainless steel grade offering a perfect balance of strength and corrosion protection, while SS 304L—with its low carbon content—provides enhanced weldability and is ideal for applications where welding is extensive. These global-grade flat bars are available in hot-rolled, cold-drawn, and polished conditions to suit diverse project requirements..
Industries in Chennai, Coimbatore, Madurai, Bengaluru, Mysuru, Hyderabad, Visakhapatnam, Vijayawada, Warangal, Puducherry, and Port Blair rely on Rose Metal Industries for consistent supply of Stainless Steel 304/304L Flat Bars due to their reliability, long service life, and ability to withstand harsh atmospheric and chemical environments. Their resistance to oxidation, moisture, acidic media, and chloride environments makes them suitable for marine fabrication and chemical industries prevalent in coastal regions of South India and the Andaman & Nicobar Islands.
The SS 304/304L Flat Bars offered by Rose Metal Industries comply with international standards such as ASTM A276, ASTM A479, ASME SA276, EN, and JIS, making them globally accepted for engineering and fabrication applications. These flat bars exhibit superior tensile strength, excellent toughness, high ductility, and resistance to pitting and crevice corrosion, ensuring stable performance in both high-temperature and cryogenic conditions. Their machinability and easy formability make them a preferred choice for components requiring frequent bending, shaping, and welding..
Specifications of Stainless Steel 304/304L Flat Bars
| Grade | SS 304 / 304L |
|---|---|
| Standards | ASTM A276 / A479, ASME SA276 / SA479 |
| Shape | Flat Bars |
| Process | Hot Rolled / Cold Drawn / Annealed / Polished |
| Size Range | 20 mm to 200 mm width, 3 mm to 50 mm thickness |
| Finish | Black, Bright, Polished |
Chemical Composition
| Element | 304 | 304L |
|---|---|---|
| Carbon (C) | 0.08% max | 0.03% max |
| Chromium (Cr) | 18–20% | 18–20% |
| Nickel (Ni) | 8–11% | 8–12% |
| Manganese (Mn) | 2% max | 2% max |
| Silicon (Si) | 1% max | 1% 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 | 90 HRB max |
Equivalent Grades
| Standard | 304 | 304L |
|---|---|---|
| EN | 1.4301 | 1.4307 |
| UNS | S30400 | S30403 |
| JIS | SUS304 | SUS304L |
Dimension Chart
| Width (mm) | Thickness (mm) | Length (mm) |
|---|---|---|
| 20 – 200 | 3 – 50 | 3000 – 6000 |
Applications of SS 304/304L Flat Bars
- Construction & Structural Framework
- Automobile Components
- Shipbuilding & Marine Fabrication
- Food Processing & Dairy Equipment
- Chemical & Pharmaceutical Machinery
- Architectural and Decorative Uses
Due to their excellent versatility, Stainless Steel 304/304L Flat Bars are widely used in industries such as construction, shipbuilding, food processing, pharmaceuticals, petroleum refining, automotive manufacturing, and architectural decoration. Rose Metal Industries maintains a vast inventory to support fast deliveries across Tamil Nadu, Andhra Pradesh, Karnataka, Telangana, Puducherry, and Andaman & Nicobar Islands. With an extensive distribution network and strong global presence, the company continues to be a trusted supplier of world-class stainless-steel flat bars..
Rose Metal Industries is committed to providing SS 304/304L Flat Bars that meet global quality benchmarks and customer expectations. Their dedication to innovation, quality assurance, and customer support has positioned them as one of the most reliable manufacturers and exporters in the stainless-steel industry. Whether used for heavy structural design, fabrication of machinery, marine components, or decorative infrastructure, the 304/304L Flat Bars deliver unmatched performance and longevity, making them a preferred choice across Indian and international markets..
Frequently Asked Questions (FAQ)
Q1: What is the difference between 304 and 304L Flat Bars?
A: Grade 304L has a lower carbon content (≤0.03%), which minimizes carbide precipitation during welding. This makes 304L the better choice for welded flat bar structures, while both grades offer similar strength, corrosion resistance and fabrication characteristics.
Q2: Do you provide Mill Test Certificates (MTC) for flat bars?
A: Yes — Rose Metal Industries supplies MTCs with every dispatch. We also arrange third-party inspection, PMI testing and chemical analysis for projects in Tamilnadu, Andhra Pradesh, Karnataka, Telangana, Puducherry and the Andaman & Nicobar Islands.
Q3: What standards do your Stainless Steel 304/304L Flat Bars meet?
A: Our flat bars conform to international standards such as ASTM A276, ASTM A479, ASME SA276 and EN 10088. We can also supply materials according to specific customer or project requirements, including global export standards.
Q4: Do you offer customized sizes, surface finishes and cut lengths?
A: Yes — we supply cut-to-size flat bars, polished bars, cold-drawn bars and custom tolerances. Tailor-made sizes are available for fabrication, construction, marine and architectural projects across South India and global destinations.
Q5: Where do you supply Stainless Steel 304/304L Flat Bars?
A: We deliver flat bars throughout Tamilnadu, Andhra Pradesh, Karnataka, Telangana, Puducherry (Pondicherry) and the Andaman & Nicobar Islands, along with global exports to Europe, the Middle East, Africa and Southeast Asia.