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Duplex Steel S32205 Round Bar is a high-performance alloy that combines the advantages of both austenitic and ferritic stainless steels. It offers superior strength, excellent corrosion resistance, and high durability in harsh environments. Duplex Steel S32205 Round Bar is widely used in industries such as chemical processing, oil & gas, and marine applications. Its dual-phase microstructure provides enhanced resistance to pitting, crevice corrosion, and stress corrosion cracking. Duplex Steel S32205 Round Bar ensures outstanding performance under extreme mechanical and thermal conditions.
One of the key features of Duplex Steel S32205 Round Bar is its exceptional yield strength, which is almost double that of standard austenitic stainless steels. This makes it ideal for use in structural applications requiring superior load-bearing capacity. Duplex Steel S32205 Round Bar maintains excellent toughness and ductility even at low temperatures. It resists corrosion in chloride-containing environments, offering long-term reliability in offshore and coastal structures. The combination of strength and corrosion resistance makes Duplex Steel S32205 Round Bar a cost-effective engineering solution.
Duplex Steel S32205 Round Bar exhibits excellent weldability and machinability, allowing for easy fabrication and installation. It can be welded using standard techniques while maintaining its mechanical integrity. Duplex Steel S32205 Round Bar is often used in heat exchangers, pressure vessels, and desalination plants due to its superior resistance to seawater corrosion. Its balanced chemical composition of chromium, molybdenum, and nitrogen enhances its performance against localized corrosion. The robust nature of Duplex Steel S32205 Round Bar ensures dependable operation in aggressive industrial settings.
The Duplex Steel S32205 Round Bar offers excellent fatigue strength, making it suitable for dynamic load applications. It performs exceptionally well in chemical processing units where exposure to acids and alkalis is common. Duplex Steel S32205 Round Bar also resists sulfide stress cracking and intergranular corrosion. These properties make it ideal for applications in power plants, refineries, and marine engineering. The smooth surface finish and dimensional accuracy of Duplex Steel S32205 Round Bar make it suitable for precision components and shafts.
Duplex Steel S32205 Round Bar demonstrates outstanding thermal conductivity and low coefficient of thermal expansion. These properties ensure dimensional stability under fluctuating temperature conditions. Duplex Steel S32205 Round Bar is also valued for its excellent formability and workability, allowing it to be customized for different engineering applications. It is commonly used in pulp and paper industries, chemical transport tanks, and construction equipment. With its superior mechanical and corrosion-resistant characteristics, Duplex Steel S32205 Round Bar is a trusted material for long-term use.
The dual-phase composition of Duplex Steel S32205 Round Bar makes it more resistant to cracking and deformation compared to standard stainless steels. It provides excellent mechanical strength and enhanced resistance to corrosion fatigue. Duplex Steel S32205 Round Bar is preferred in marine hardware, heat exchangers, and flue-gas cleaning systems. Its durability reduces the need for frequent maintenance, resulting in lower operational costs. Industries choose Duplex Steel S32205 Round Bar for its reliability, toughness, and longevity in demanding applications.
In conclusion, Duplex Steel S32205 Round Bar complies with international standards like ASTM A276, A479, and ASME SA479. It is available in a wide range of diameters, finishes, and lengths to meet diverse industrial requirements. Duplex Steel S32205 Round Bar ensures superior performance in both high-pressure and corrosive environments. Its high strength, corrosion resistance, and durability make it an essential material for modern engineering applications. Investing in Duplex Steel S32205 Round Bar guarantees long-lasting, high-quality performance in critical operations.
Specification Table
| Specification | Details |
|---|---|
| Material Grade | S32205 (Duplex Stainless Steel) |
| Standard | ASTM A276 / ASTM A479 / EN 10088 |
| Form | Round Bar / Rod |
| Diameter Range | 6 mm to 300 mm (or as per requirement) |
| Length | 1 m, 2 m, 3 m standard / custom lengths available |
| Surface Finish | Hot Rolled (HR), Cold Rolled (CR), Polished (Optional) |
| Application | Oil & Gas, Chemical, Marine, Pulp & Paper, Desalination Plants |
| Certification | ISO 9001, EN 10204 3.1 / 3.2 Material Test Certificate (MTC) |
| Heat Treatment | Solution Annealed at 1050°C ± 25°C |
Chemical Composition (Typical ranges for SSS32205)
Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.
| Element | Composition Range (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Nitrogen (N) | 0.08 – 0.20 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.02 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (UTS) | 620 – 850 | MPa |
| Yield Strength (0.2% offset) | 450 – 550 | MPa |
| Elongation | 25 – 35 | % |
| Hardness (Brinell) | ≤ 310 | HB |
| Impact Toughness (Charpy V-Notch, 20°C) | > 100 | J |
| Modulus of Elasticity | 200 | GPa |
| Density | 7.8 | g/cm³ |
| Corrosion Resistance | Excellent in chloride environments | - |
Equivalent S32205s
| Standard | Equivalent Grade |
|---|---|
| AISI / ASTM | S32205, UNS S32205 |
| EN / DIN | 1.4462, X2CrNiMoN22-5-3 |
| BS | BS 32205 |
| JIS | — (No direct equivalent) |
| AFNOR / French | Z3CN22-5-3 |
| EN / ISO | 1.4462 |
Dimension & Weight Chart (Selected common sizes)
Below is a representative chart showing outside diameter, wall thickness, inside diameter, cross-sectional area of metal and calculated weight per metre (kg/m). Values are calculated using density = 7.93 g/cm³ and are for guidance — use actual MTC values for procurement & engineering.
| Diameter (mm) | Weight per Meter (kg/m) |
|---|---|
| 6 | 0.222 |
| 8 | 0.395 |
| 10 | 0.617 |
| 12 | 0.888 |
| 16 | 1.579 |
| 20 | 2.466 |
| 25 | 3.854 |
| 32 | 6.313 |
| 40 | 9.864 |
| 50 | 15.42 |
| 60 | 22.13 |
| 80 | 39.50 |
| 100 | 61.65 |
| 120 | 88.18 |
| 150 | 137.2 |
| 200 | 246.6 |
Types Of Duplex Steel S32205 Round Bars and Tubes
Stainless Steel Round Bar
Monel 400 K400 Round Bar
Hastelloy Round Bar
Inconel 600 Round Bar
Nickel Alloy Round Bar
Super Duplex Round Bar
Monel K500 Round Bar
Inconel 625 Round Bar
Frequently Asked Questions (FAQ)
What is Duplex Steel S32205?
Duplex Steel S32205 is a high-strength, corrosion-resistant stainless steel with a dual-phase microstructure of approximately equal parts austenite and ferrite, offering excellent mechanical properties and resistance to stress corrosion cracking.
What are the common applications of S32205 Round Bars?
S32205 round bars are widely used in oil & gas, chemical processing, marine, pulp & paper, and desalination plants due to their excellent corrosion resistance and high strength.
What standards does S32205 conform to?
It typically conforms to ASTM A276 / A479, EN 10088, and UNS S32205 specifications.
What is the chemical composition of S32205?
S32205 typically contains 21-23% Chromium, 4.5-6.5% Nickel, 2.5-3.5% Molybdenum, 0.08-0.20% Nitrogen, and a balance of Iron, with very low carbon, phosphorus, and sulfur.
What are the mechanical properties of S32205 Round Bars?
The typical tensile strength ranges from 620–850 MPa, yield strength 450–550 MPa, elongation 25–35%, and hardness ≤ 310 HB. It also offers excellent impact toughness and corrosion resistance.
What sizes and lengths are available?
S32205 round bars are available in diameters from 6 mm up to 300 mm (or more on request) and standard lengths of 1 m, 2 m, or 3 m. Custom lengths can also be supplied.
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