304 Stainless Steel
304L Stainless Steel
304 SS Rounds Bars and Rods 304L SS Rounds Bars and Rods
69 Reviews
Product Description:
304 and 304L stainless steel round bars and rods are some of the most versatile and widely used stainless steel products, offering exceptional corrosion resistance, strength, and formability. These grades are ideal for a wide range of applications across various industries due to their durability and ease of fabrication.
304 Stainless Steel
- The most common austenitic stainless steel, known for its excellent corrosion resistance, toughness, and weldability.
- Contains 18% chromium and 8% nickel, giving it superior corrosion resistance in a variety of environments.
304L Stainless Steel
- A low-carbon version of 304 stainless steel, offering improved weldability and reduced risk of carbide precipitation during welding.
- Ideal for applications requiring excellent corrosion resistance in mildly corrosive environments.
Key Features of 304/304L Stainless Steel Bars and Rods
- Corrosion Resistance: Excellent in a variety of environments, including mild acids, alkalis, and saltwater.
- Strength and Toughness: Provides high tensile and yield strength while maintaining good toughness.
- Weldability: Both grades are easily welded with or without filler metals.
- Machinability: Good machinability for precision fabrication.
- Non-Magnetic: Non-magnetic in the annealed condition, though may become slightly magnetic after cold working.
Common Applications
- Construction: Structural components, railings, and supports.
- Automotive: Engine parts, exhaust systems, and decorative trims.
- Food Processing: Equipment and machinery due to its sanitary properties.
- Medical Devices: Surgical instruments and implants.
- Chemical Industry: Piping, storage tanks, and heat exchangers.
- Marine: Boat fittings, propeller shafts, and fasteners.
Chemical Composition
Element | 304 (%) | 304L (%) |
---|---|---|
Carbon (C) | 0.08 (maximum) | 0.03 (maximum) |
Chromium (Cr) | 18.0-20.0 | 18.0-20.0 |
Nickel (Ni) | 8.0-10.5 | 8.0-12.0 |
Manganese (Mn) | 2.0 (maximum) | 2.0 (maximum) |
Silicon (Si) | 1.0 (maximum) | 1.0 (maximum) |
Sulfur (S) | 0.03 (maximum) | 0.03 (maximum) |
Phosphorus (P) | 0.045 (maximum) | 0.045 (maximum) |
Mechanical Properties
Property | 304 | 304L |
---|---|---|
Tensile Strength (MPa) | 515 (minimum) | 485 (minimum) |
Yield Strength (MPa) | 205 (minimum) | 170 (minimum) |
Elongation (%) | 40 | 40 |
Hardness (HRB) | 92 (maximum) | 92 (maximum) |
Available Sizes and Shapes
- Sizes: Diameter ranging from 6mm to 300mm.
- Shapes: Round bars, square bars, hexagonal bars, and custom profiles.
- Length: Standard lengths or custom cut-to-size as per customer requirements.
Surface Finishes
- Hot Rolled: For structural and industrial applications.
- Cold Drawn: For applications requiring a smooth finish and tighter tolerances.
- Polished: Aesthetic applications and improved corrosion resistance.
Value-Added Services
- Precision Cutting: Tailored to exact lengths.
- Heat Treatment: For improved mechanical properties.
- Surface Treatments: Polishing and pickling for enhanced corrosion resistance.
- Testing and Certification: Full compliance with ASTM, ASME, and other international standards.
Contact Us for High-Quality Stainless Steel Bars
Looking for premium-grade 304 and 304L stainless steel round bars and rods? Contact us today for expert advice, competitive pricing, and customized solutions to meet your specific project requirements.
FAQ
The main difference lies in carbon content: 304L has a lower carbon content than 304, making it better for welding applications and reducing the risk of carbide precipitation.
While both grades offer good corrosion resistance, they may not perform well in highly salty or chloride-rich environments without proper maintenance. For such conditions, higher grades like 316 may be preferred.
Industries such as construction, automotive, food processing, medical, and chemical processing widely use these bars for their strength, corrosion resistance, and versatility.