2205, S31803, S32205 Duplex SS Round bars and Duplex SS Rods
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Product Description:
Experience unmatched strength and corrosion resistance with our Duplex Stainless Steel Round Bars and Rods. Our 2205 Duplex SS offers a balanced dual-phase structure, combining high strength with excellent resistance to chloride stress corrosion cracking, suitable for demanding environments.
The S31803 and S32205 grades provide similar benefits, with S32205 featuring enhanced corrosion resistance and strength for even more challenging conditions. These materials are ideal for oil and gas exploration, chemical processing, and marine applications. Available in various diameters and lengths to meet your specific requirements.
Duplex Stainless Steel Grades 2205 (UNS S31803/S32205) are well-known for their outstanding mechanical strength and excellent corrosion resistance. These duplex stainless steel round bars and rods are widely used in various industries requiring durable materials in extreme environments.
Key Features of Duplex 2205 (S31803/S32205) Round Bars and Rods
- High Strength:
- Twice the yield strength of conventional austenitic stainless steels such as 304 and 316.
- Superior Corrosion Resistance:
- Exceptional resistance to pitting and crevice corrosion in chloride-containing environments.
- High resistance to stress corrosion cracking and general corrosion.
- Excellent Durability:
- Outstanding fatigue resistance, suitable for dynamic applications.
- Cost-Efficiency:
- Reduced nickel and molybdenum content for cost savings without compromising quality.
- High-Temperature Performance:
- Sustains strength and corrosion resistance at elevated temperatures.
Chemical Composition
Element | Composition (%) |
Chromium (Cr) | 22.0 – 23.0 |
Nickel (Ni) | 4.5 – 6.5 |
Molybdenum (Mo) | 3.0 – 3.5 |
Manganese (Mn) | 2.0 (maximum) |
Silicon (Si) | 1.0 (maximum) |
Nitrogen (N) | 0.14 – 0.20 |
Carbon (C) | 0.03 (maximum) |
Iron (Fe) | Balance |
Mechanical Properties
Property | Value |
Tensile Strength (MPa) | 620 (minimum) |
Yield Strength (MPa) | 450 (minimum) |
Elongation (%) | 25 |
Hardness (HB) | 290 (maximum) |
Types of Duplex 2205 Round Bars and Rods
- Hot Rolled Bars:
- Suitable for structural and engineering applications requiring high strength.
- Cold Drawn Bars:
- Provides superior surface finish and dimensional accuracy.
- Custom Shapes:
- Available in hexagonal, square, and flat bar profiles to meet specific needs.
Common Applications
- Chemical and Petrochemical Industries:
- Components for heat exchangers, chemical tanks, and pressure vessels.
- Marine and Offshore Applications:
- Ideal for propeller shafts, pump shafts, and seawater piping systems.
- Oil and Gas Industry:
- Used in pipelines, separators, and platforms.
- Power Generation:
- Turbines, heat exchangers, and boiler components.
- Construction:
- Reinforcement bars for buildings and bridges.
- Food and Beverage Industry:
- Hygienic and corrosion-resistant equipment.
Available Sizes and Specifications
- Diameter Range: 6 mm to 400 mm
- Length: Cut-to-size, standard lengths up to 6 meters or custom lengths
- Form: Round, Hexagonal, Square, Flat Bars, and Forged Bars
Standards and Specifications
- Standards: ASTM A276, ASTM A479, ASTM A182
- Grades: UNS S31803, UNS S32205
- Testing Standards: NACE MR0175, ISO 15156
Surface Finishes
- Polished Finish:
- No. 4 (Matte), Mirror Finish
- Bright Finish:
- Suitable for decorative and hygienic applications.
- Hot Rolled Finish:
- Ideal for heavy-duty applications.
Value-Added Services
- Custom Cutting: Precision cutting for exact dimensions.
- Heat Treatment: Annealing and quenching to achieve desired properties.
- Machining: CNC machining for custom shapes and applications.
- Testing and Certification:
- Ultrasonic Testing (UT)
- Hardness Testing
- Chemical and Mechanical Properties Analysis
- EN 10204 3.1/3.2 Certification
Order High-Quality Duplex 2205 Round Bars and Rods
Upgrade your applications with Duplex Stainless Steel 2205, S31803, S32205 Round Bars and Rods for unparalleled strength, corrosion resistance, and durability. Contact us now for expert advice, competitive pricing, and tailored solutions!
