SS 304 & 304L Hexagonal Bar
Stainless Steel 304 and 304L Hexagonal Bars are among the most widely used stainless steel products due to their excellent corrosion resistance, versatility, and durability. With a six-sided profile, these hex bars offer superior strength and are ideal for machining, fabrication, and structural applications. The difference between 304 and 304L lies in the carbon content—304L has a lower carbon percentage, making it more resistant to sensitization and intergranular corrosion.
What is SS 304 & 304L Hexagonal Bar?
SS 304 Hexagonal Bars are standard austenitic stainless steels known for their toughness and ease of fabrication, while SS 304L Hexagonal Bars are a low-carbon variant designed to prevent carbide precipitation during welding. These bars are widely used in food processing, chemical plants, construction, and marine environments where strength, hygiene, and resistance to atmospheric corrosion are essential.
SS 304 & 304L Hexagonal Bar Specifications
| Parameter | Specification |
|---|---|
| Size Range | 6mm to 200mm |
| Length | 1m to 6m (custom cut lengths available) |
| Standards | ASTM A276, ASTM A479, ASME SA276, SA479 |
| Finish | Bright, Black, Polished, Peeled |
| Tolerance | h11, h10 as per ISO standards |
| Heat Treatment | Annealed & Pickled / Bright Annealed |
| Form | Hexagonal (6-sided bar) |
| Density | 8.0 g/cm³ |
| Element | SS 304 (%) | SS 304L (%) |
|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 |
| Chromium (Cr) | 18.00 – 20.00 | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 11.00 | 8.00 – 11.00 |
| Nitrogen (N) | ≤ 0.10 | ≤ 0.10 |
| Iron (Fe) | Balance | Balance |
Chemical Composition of SS 304 & 304L Hexagonal Bar (%)
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 11.5 – 13.5 |
| Carbon (C) | 0.08 – 0.15 |
| Manganese (Mn) | ≤ 1.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties – SS 304 & 304L Hexagonal Bar
| Property | SS 304 | SS 304L |
|---|---|---|
| Tensile Strength (MPa) | 515 min | 485 min |
| Yield Strength (0.2% offset, MPa) | 205 min | 170 min |
| Elongation (%) | 40 min | 40 min |
| Hardness (Brinell HB) | ≤ 201 | ≤ 201 |
| Modulus of Elasticity (GPa) | 193 | 193 |
| Melting Point (°C) | 1400 – 1450 | 1400 – 1450 |
Applications of SS 304 & 304L Hexagonal Bar
Our SS 304 & 304L Hexagonal Bar find their application across a broad spectrum of industries due to their robustness and adaptability:
Construction & Infrastructure
Automotive & Transportation
Marine & Offshore
Aerospace & Defence
Oil & Gas Industry
Manufacturing & Industrial Machinery
Why Choose Precision Alloy?
- ISO 9001:2015 Certified Manufacturer
- Wide Range of Stainless Steel Bar Shapes & Sizes in Stock
- Surface Finish Options for Decorative or Industrial Use
- Customized Machining & Fast Lead Times
- Global Delivery with Competitive Pricing
