304 / 304L Stainless Steel Round Bar
Stellanox Steel offers precision-crafted 304 / 304L Stainless Steel Round Bars, trusted for their corrosion resistance, durability, and ease of fabrication. These bars are ideal for machining, structural applications, and product manufacturing in sectors such as food processing, petrochemical, construction, marine, and pharmaceuticals.
304 / 304L round bars are available in various diameters and finishes, providing a cost-effective solution for both decorative and load-bearing applications.
What is 304 / 304L Stainless Steel Round Bar?
304 / 304L Stainless Steel Round Bar is an austenitic stainless steel alloy primarily composed of chromium and nickel. The “L” variant has a lower carbon content, which enhances weldability and reduces the risk of intergranular corrosion after welding.
These round bars are known for their excellent toughness, strength, and formability, making them a versatile option for CNC machining, shafts, bolts, fasteners, and structural components.
| Products |
|---|
|
Stainless Steel |
|
Carbon Steel |
|
Duplex Stainless Steel |
|
Super Duplex Stainless Steel |
|
Alloy Steel |
|
Titanium |
|
Hastelloy |
|
Inconel |
|
Monel |
|
Aluminium |
|
Copper |
|
Pure Nickel |
|
Flanges |
|
Forged Fittings |
|
Valves |
|
Fasteners |
Key Features of 304 / 304L Stainless Steel Round Bar
- Excellent Corrosion Resistance: Performs well in moisture, chemicals, and oxidizing conditions.
- Improved Weldability (304L): Prevents carbide precipitation in heat-affected zones.
- Versatile Use: Suitable for machining, fabrication, and architectural applications.
- Non-Magnetic (Annealed): Becomes slightly magnetic when cold worked.
- Good Surface Finish Options: Available in bright, peeled, or polished forms.
- Readily Available: One of the most commonly stocked stainless steel grades.
Specification Chart – 304 / 304L Stainless Steel Round Bar
| Property | Details |
|---|---|
| Grade | 304 / 304L (UNS S30400 / S30403) |
| Standards | ASTM A276, ASTM A479, EN 10088-3 |
| Diameter Range | 3 mm to 300 mm |
| Length | Up to 6 meters or cut-to-size |
| Finishes | Bright, Peeled, Polished, Black |
| Tolerances | h9, h11, h13 (as required) |
Chemical Composition – 304 / 304L Stainless Steel Round Bar
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Carbon (C) | ≤ 0.08 (304), ≤ 0.03 (304L) |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties – 304 / 304L Stainless Steel Round Bar
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 515 |
| Yield Strength (MPa) | ≥ 205 |
| Elongation (%) | ≥ 40 |
| Hardness (HRB) | ≤ 95 (Annealed) |
| Density | 8.00 g/cm³ |
Equivalent Grades – 304 / 304L Stainless Steel Round Bar
| Standard | Grade |
|---|---|
| ASTM | 304 / 304L |
| EN | 1.4301 / 1.4307 |
| JIS | SUS 304 / SUS 304L |
| UNS | S30400 / S30403 |
| DIN | X5CrNi18-10 / X2CrNi18-9 |
Applications of 304 / 304L Stainless Steel Round Bar
- Food and Dairy Equipment
- Marine Components
- Shafts, Pins, and Fasteners
- Petrochemical Processing Lines
- Architectural Columns and Handrails
- CNC Machined Parts
Benefits of 304 / 304L Stainless Steel Round Bar
- Excellent corrosion resistance in diverse environments
- Easy to weld, machine, and form
- Suitable for sanitary and structural applications
- Aesthetic finishes available for exposed applications
- Economical for high-volume industrial use
- High mechanical strength and ductility
2025 Stellanox Steel |