304 Stainless Steel
304L Stainless Steel
2304, 32101 Duplex SS Round bars and Duplex SS Rods
68 Reviews
Product Description:
Elevate your engineering projects with our Duplex Stainless Steel Round Bars and Rods. Our 2304 grade offers outstanding strength and corrosion resistance, perfect for applications in challenging environments like marine and chemical processing.
The S32101 grade enhances these properties further, providing even greater durability and stress corrosion cracking resistance. Both are ideal for structures requiring strong, reliable materials with a long life cycle. Available in various diameters and lengths to suit your specific needs.
Duplex Stainless Steel Grades 2304 (UNS S32304) and S32101 (UNS S32101) are highly durable materials with superior strength, excellent corrosion resistance, and cost-efficiency. These round bars and rods are widely used in industries that demand robust materials for challenging environments.
Key Features of Duplex 2304 and S32101 Round Bars and Rods
- High Strength:
- Nearly twice the yield strength of standard austenitic stainless steels like 304 and 316.
- Corrosion Resistance:
- Excellent resistance to pitting and crevice corrosion in chloride-rich environments.
- Strong resistance to general corrosion and stress corrosion cracking.
- Economic Advantage:
- Lower nickel and molybdenum content offers a cost-effective solution without compromising performance.
- Durability:
- High fatigue strength and toughness, even in extreme conditions.
- Ease of Fabrication:
- Good weldability and machinability make these grades suitable for custom applications.
Chemical Composition
Element | 2304 (S32304) | S32101 |
Chromium (Cr) | 21.5 – 24.5 | 21.0 – 22.0 |
Nickel (Ni) | 3.0 – 5.5 | 1.35 – 1.70 |
Molybdenum (Mo) | 0.05 – 0.60 | 0.10 – 0.80 |
Manganese (Mn) | 2.0 (maximum) | 4.0 – 6.0 |
Silicon (Si) | 1.0 (maximum) | 0.40 – 1.00 |
Nitrogen (N) | 0.05 – 0.20 | 0.20 – 0.25 |
Carbon (C) | 0.03 (maximum) | 0.03 (maximum) |
Iron (Fe) | Balance | Balance |
Mechanical Properties
Property | 2304 (S32304) | S32101 |
Tensile Strength (MPa) | 600 (minimum) | 650 (minimum) |
Yield Strength (MPa) | 400 (minimum) | 450 (minimum) |
Elongation (%) | 25 | 30 |
Hardness (HB) | 270 (maximum) | 270 (maximum) |
Types of Duplex 2304 and S32101 Round Bars and Rods
- Hot Rolled Bars:
- Ideal for heavy-duty and structural applications.
- Cold Drawn Bars:
- Provides a smooth surface finish and precise dimensions.
- Custom Profiles:
- Hexagonal, square, and flat bar profiles available for specific needs.
Common Applications
- Chemical and Petrochemical Industries:
- Heat exchangers, process piping, and storage tanks.
- Marine and Offshore Applications:
- Suitable for seawater systems and marine hardware.
- Oil and Gas Industry:
- Drill risers, pipelines, and separators.
- Food and Beverage Processing:
- Hygienic and corrosion-resistant equipment.
- Construction:
- Structural reinforcements and architectural components.
Available Sizes and Specifications
- Diameter: 6 mm to 400 mm
- Length: Cut-to-size or standard lengths up to 6 meters
- Form: Round, Hexagonal, Square, Flat Bars, Forged Bars
Standards and Specifications
- Standards: ASTM A276, ASTM A479, ASTM A182
- Grades: UNS S32304, UNS S32101
- Testing Standards: NACE MR0175, ISO 15156
Surface Finishes
- Polished:
- No. 4 finish (matte) and mirror finish.
- Bright Finish:
- For decorative and hygienic applications.
- Hot Rolled Finish:
- Suitable for heavy industrial use.
Value-Added Services
- Custom Cutting: Precision cutting for specific applications.
- Heat Treatment: Annealing and quenching for enhanced properties.
- Machining: CNC machining for tailored shapes and designs.
- Testing and Certification:
- Ultrasonic Testing (UT)
- Hardness Testing
- EN 10204 3.1/3.2 Certification
Contact Us for Premium Duplex Stainless Steel Round Bars and Rods
Enhance your projects with Duplex Stainless Steel 2304 and S32101 Round Bars and Rods for unmatched strength, durability, and corrosion resistance. Contact us today for expert advice, competitive pricing, and custom solutions tailored to your needs!
FAQ
S32101 has a slightly higher nitrogen and manganese content, offering better strength, while 2304 provides balanced corrosion resistance and strength.
Yes, their exceptional resistance to chloride-induced corrosion makes them ideal for marine and offshore applications.
Absolutely, their high strength and durability make them well-suited for high-pressure and high-stress environments.