SS 304 / SS 304L Stainless Steel
Round Bars Manufacturer
At Steel Icon Stainless Pvt. Ltd., we are a trusted manufacturer and exporter of SS 304 and SS 304L stainless steel round bars, providing precision-engineered solutions for a wide range of industrial applications. These grades are renowned for their excellent corrosion resistance, good formability, and high durability, making them among the most widely used stainless steels worldwide. SS 304L has a lower carbon content, offering improved weldability without the risk of carbide precipitation.
Our SS 304/304L stainless steel round bars are produced in compliance with ASTM, ASME, EN, and DIN standards, ensuring superior performance in critical industries such as construction, petrochemical, marine, food processing, pharmaceuticals, and general engineering.
| Products |
|---|
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Stainless Steel Bar |
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Fasteners |
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Forged Products |
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Flanges |
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Forged Fittings |
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Stainless Steel Billets |
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Round Corner Square Billets |
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Stainless Steel Pipes |
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Pipe Fittings |
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Valve |
Specifications
| Property | Specification |
|---|---|
|
Material Grade |
SS 304, SS 304L
|
|
Size Range |
5mm to 500mm
|
|
Length |
Up to 6 meters (Custom cut lengths available)
|
|
Shapes & Types |
Bright, Black, Polished, Peeled, Centerless Ground
|
|
Manufacturing Process
|
Hot Rolled, Cold Drawn, Peeled & Polished |
|
Standards |
ASTM A276, ASTM A479, ASME SA276, EN 10088 |
Chemical Composition
| Element | SS 304 (%) | SS 304L (%) |
|---|---|---|
|
Carbon (C) |
0.08 max |
0.03 max |
|
Chromium (Cr)
|
18.0–20.0 |
18.0–20.0 |
|
Nickel (Ni) |
8.0–10.5 |
8.0–10.5 |
|
Manganese (Mn) |
18.0 – 20.0 |
17.0 – 19.0 |
|
Silicon (Si) |
1.00 max |
1.00 max |
Mechanical Properties
| Property | SS 304 | SS 304L |
|---|---|---|
|
Tensile Strength |
515 – 750 MPa |
485 – 700 MPa |
|
Yield Strength |
205 MPa min |
170 MPa min |
|
Elongation (%) |
≥ 40% |
≥ 40% |
|
Hardness (HRB) |
≤ 95 |
≤ 95 |
Types of Finishes Available
Hot Rolled Round Bars – Ideal for structural and heavy-duty applications, offering excellent strength and durability in a cost-effective form.
Cold Drawn Round Bars – Provide superior dimensional accuracy and a smooth surface finish, ideal for high-precision applications.
Polished Round Bars – Perfect for aesthetic and corrosion-resistant applications, providing a high-quality finish for industries requiring both functionality and appearance.
Peeled & Centerless Ground Bars – Feature tight tolerances and an excellent surface finish, ideal for applications requiring precise machining and minimal surface defects.
Applications
Construction & Infrastructure – Used in structural frameworks, support beams, and reinforcing bars, providing strength and durability for building and civil engineering projects.
Oil & Gas & Petrochemical – Essential for piping systems, refinery components, and offshore structures, ensuring high performance in harsh environments with corrosive fluids.
Food & Beverage Industry – Ideal for storage tanks, food processing equipment, and hygienic piping, ensuring compliance with safety and sanitation standards in food processing.
Pharmaceutical & Chemical – Used in reactors, storage vessels, and process equipment, providing corrosion resistance and reliability in chemical and pharmaceutical production environments.
Marine Engineering – Offers corrosion-resistant parts for shipbuilding and dock structures, ensuring durability and long-term performance in marine environments.
General Engineering – Suitable for manufacturing shafts, fasteners, pump components, and industrial fittings, ensuring high precision and durability in mechanical systems.
Key Benefits
Excellent Corrosion and Oxidation Resistance – Provides outstanding protection against corrosion and oxidation, making it ideal for harsh and corrosive environments.
High Formability and Ease of Fabrication – Offers excellent formability, allowing for easy fabrication into a wide variety of shapes and sizes.
Superior Weldability (Especially SS 304L) – SS 304L, in particular, offers excellent weldability, making it suitable for applications requiring minimal risk of carbide precipitation.
Good Strength-to-Weight Ratio – Ensures a strong yet lightweight solution, providing both durability and efficiency in structural and mechanical applications.
Maintains Mechanical Properties at Cryogenic and High Temperatures – Retains its mechanical properties across a wide range of temperatures, from cryogenic conditions to high-temperature environments.
Frequently Asked Questions
The main difference is the carbon content. SS 304L has lower carbon content than SS 304, making it more suitable for welding applications and reducing the risk of carbide precipitation during welding.
Yes, SS 304 and SS 304L round bars offer good corrosion resistance, making them suitable for marine environments, though SS 316 may be preferred for higher resistance to saltwater corrosion.
SS 304/304L round bars are available in various surface finishes, including hot rolled, cold drawn, polished, and pickled finishes, offering versatility depending on the application.
Yes, we provide mill test certificates and third-party inspection reports to ensure that the SS 304/304L round bars meet the required standards and specifications.
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