Super Duplex 2205 Round Bars Manufacturer, Stockist and Exporter
Super Duplex 2205 Round Bars are widely recognized for their exceptional balance of strength and corrosion resistance, making them an ideal choice for demanding industrial environments. The alloy is composed of a duplex microstructure that combines austenitic and ferritic phases, enhancing its durability and stress corrosion cracking resistance. These round bars are used in applications requiring high mechanical properties along with excellent resistance to chloride-rich conditions. Industries such as chemical processing, marine engineering, and offshore platforms rely heavily on this material. Its ability to withstand harsh media, high pressure, and variable temperatures makes it a preferred option. Super Duplex 2205 also provides cost efficiency compared to other high-nickel alloys. Overall, its performance in aggressive environments ensures long-term operational reliability.
The manufacturing of Super Duplex 2205 Round Bars involves advanced metallurgical processes that ensure uniformity, stability, and strength. Heat treatment, hot rolling, and controlled cooling significantly improve the microstructure, resulting in consistent quality. These bars exhibit high tensile and yield strength, making them suitable for structural and load-bearing applications. Their enhanced toughness allows them to perform effectively in both sub-zero and elevated temperature conditions. Industries that require exceptional fatigue resistance often prefer this grade. In addition, the bars undergo rigorous nondestructive testing to ensure defect-free performance. This combination of strength and precision makes Super Duplex 2205 a reliable engineering solution.
One of the standout features of Super Duplex 2205 Round Bars is their superior resistance to chloride-induced corrosion. This includes pitting, crevice corrosion, and stress corrosion cracking, which are common challenges in marine and offshore environments. The presence of chromium, molybdenum, and nitrogen enriches the alloy’s corrosion resistance. This makes it suitable for heat exchangers, seawater systems, pipelines, and desalination equipment. Its robustness against corrosive chemicals improves the lifespan of components and minimizes maintenance requirements. Additionally, the alloy performs exceptionally well in environments containing hydrogen sulfide. These properties ensure reliability in applications exposed to aggressive media.
Worldwide Super Duplex 2205 Round Bars Manufacturer, Stockist and Exporter
Super Duplex 2205 Round Bars also exhibit excellent weldability and formability despite their high strength. Skilled fabrication methods help maintain the alloy's microstructure and performance during bending, machining, and welding operations. Proper filler materials are used to achieve consistent weld quality, ensuring durability and structural stability. These bars can be manufactured in various diameters and customized lengths to meet specific project requirements. They are commonly supplied in cold-drawn, hot-rolled, and centerless-ground conditions. The alloy’s versatility makes it suitable for components like shafts, valves, fasteners, fittings, and pump parts. Overall, its workability supports complex industrial designs.
Mechanical advantages such as high fatigue resistance and impact strength further contribute to the popularity of Super Duplex 2205 Round Bars. The duplex structure ensures optimized hardness and elongation properties, enabling safe operation under high-pressure conditions. These bars are often used in heavy machinery, material handling systems, and structural assemblies. Their ability to withstand repeated stress cycles makes them ideal for dynamic applications. Unlike conventional stainless steels, Super Duplex 2205 maintains its mechanical properties even in fluctuating temperatures. This enhances performance in challenging operating environments. The alloy’s durability reduces the risk of premature failure and improves operational efficiency.
The cost-effectiveness of Super Duplex 2205 Round Bars is another major benefit, especially compared to nickel-based superalloys. The alloy offers superior corrosion protection without requiring excessive alloying additions, reducing overall material costs. Its long service life and low maintenance requirements further add to economic efficiency. Industries looking for durable and affordable solutions often prefer this grade. Pipeline systems, chemical tanks, and process equipment especially benefit from its high value-to-performance ratio. In addition, the availability of the bars in multiple sizes ensures material optimization. These factors make Super Duplex 2205 a smart investment for demanding projects.
Super Duplex 2205 Round Bars continue to play a crucial role in modern engineering due to their unmatched combination of strength, corrosion resistance, and versatility. As industrial requirements become more demanding, the need for reliable materials like Super Duplex 2205 increases. Its applicability spans across sectors such as petrochemical, oil & gas, pulp & paper, and marine infrastructure. Manufacturers offer strict quality checks and international standard compliance to ensure premium performance. With its reliability in aggressive environments, the alloy remains one of the most trusted grades. Its wide availability and proven track record reinforce its significance in industrial applications. Overall, Super Duplex 2205 remains an essential material for high-performance engineering.
Super Duplex 2205 Round Bars Specifications
| Material Name | Duplex / Super Duplex 2205 (commonly listed as 2205, S31803 / S32205) |
|---|---|
| UNS / EN / Other Designations | UNS S32205 (S31803), EN 1.4462, ASTM A182 F51 / A276 / A479 |
| Typical Standards of Supply | ASTM A276, ASTM A479, ASTM A182, EN 10088-3, NORSOK M-630 (where applicable) |
| Typical Condition | Annealed / solution-treated and rapidly quenched; supply conditions: cold finished, hot rolled or centerless ground as requested |
| Typical Chemical Composition (wt.%) | Cr 21.0–23.0 • Ni 4.5–6.5 • Mo 2.5–3.5 • N 0.08–0.20 • Mn ≤2.0 • Si ≤1.0 • C ≤0.03 • P ≤0.03 • S ≤0.02 • Fe balance |
| Mechanical Properties (typical / minimum) | Yield strength (Rp0.2): ≥ 450 MPa • Tensile strength (Rm): ≈ 620 – 800 MPa (typical) • Elongation (A5): ≥ 25% • Brinell hardness (HB): ≤ ~290 (typical max) |
| Physical Properties | Density: ~7.8 g/cm³ • Melting range: ≈ 1420–1465 °C • Electrical & thermal conductivity: lower than austenitic grades (typical for duplex alloys) |
| Heat Treatment | Solution anneal at ~1020–1100 °C followed by rapid quench (water) to retain duplex microstructure; avoid prolonged exposure in 300–1000 °C range to prevent embrittlement and sigma phase formation. |
| Available Forms & Sizes | Round bars — diameters commonly from 5 mm up to 200 mm+ depending on supplier; supplied in cut lengths or full billets. Surface: hot rolled, cold drawn, or centerless ground. |
| Weldability & Fabrication | Good weldability with correct procedures and matching/compatible filler metals; pre-/post-weld heat treatment generally not required if welding procedures control intermetallic precipitation. Machineable with appropriate tooling due to higher strength. |
| Corrosion Resistance | Excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking compared with standard austenitic grades; widely used in seawater, brackish water, chemical, oil & gas and desalination service. |
| Typical Applications | Shafts, fasteners, valves, pump shafts, pipe fittings, heat exchanger components, subsea hardware, offshore & marine components, chemical processing equipment, desalination plants. |
| Quality & Inspection | Supplied with mill test certificate (MTC) to EN 10204 3.1 or equivalent; common inspections: PMI/chemical analysis, tensile test, hardness test and NDT on request. |
| Notes / Handling | Avoid overheating during cutting/welding; store to prevent surface contamination; select filler metals and welding parameters to maintain duplex balance and avoid intermetallic phases. |
Chemical Composition
| Element | Composition (%) |
|---|---|
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Carbon (C) | ≤ 0.03 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.02 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value | Unit |
|---|---|---|
| Tensile Strength (UTS) | 620 – 800 | MPa |
| Yield Strength (0.2% Proof) | ≥ 450 | MPa |
| Elongation | ≥ 25 | % |
| Hardness (Brinell) | ≤ 290 | HB |
| Impact Strength (Charpy V-Notch) | ≥ 100 | J (at room temperature) |
| Modulus of Elasticity | ~ 200 | GPa |
Dimensions
| Diameter (mm) | Diameter (inch) | Cross-Sectional Area (mm²) | Theoretical Weight (kg/m) |
|---|---|---|---|
| 6 | 0.24" | 28.27 | 0.22 |
| 8 | 0.31" | 50.27 | 0.39 |
| 10 | 0.39" | 78.54 | 0.62 |
| 12 | 0.47" | 113.10 | 0.89 |
| 16 | 0.63" | 201.06 | 1.58 |
| 20 | 0.79" | 314.16 | 2.47 |
| 25 | 0.98" | 490.87 | 3.87 |
| 30 | 1.18" | 706.86 | 5.57 |
| 40 | 1.57" | 1256.64 | 9.90 |
| 50 | 1.97" | 1963.50 | 15.48 |
Equivalent Grades
| Standard | Grade |
|---|---|
| UNS | S31803 / S32205 |
| EN / DIN | 1.4462 |
| WNR | 1.4462 |
| ASTM | A182 F51 / A276 / A479 |
| AFNOR | Z3 CrNiMoN 22-05 |
| B.S. | 318S13 |
| ISO | X2CrNiN22-5-3 |
Weight Chart (Approx.)
| Diameter (mm) | Weight (kg/m) | Diameter (inch) | Weight (kg/ft) |
|---|---|---|---|
| 6 | 0.22 | 0.24" | 0.067 |
| 8 | 0.39 | 0.31" | 0.118 |
| 10 | 0.62 | 0.39" | 0.189 |
| 12 | 0.89 | 0.47" | 0.271 |
| 16 | 1.58 | 0.63" | 0.482 |
| 20 | 2.47 | 0.79" | 0.753 |
| 25 | 3.87 | 0.98" | 1.180 |
| 30 | 5.57 | 1.18" | 1.698 |
| 40 | 9.90 | 1.57" | 3.017 |
| 50 | 15.48 | 1.97" | 4.721 |
The applications of our Super Duplex 2205 round bars include oil & gas projects, chemical processing plants, desalination systems, shipbuilding, aerospace, automotive, and heavy engineering. With superior resistance to oxidation and stress corrosion cracking, our bars perform reliably in extreme environments. Whether it is for large-scale infrastructure projects in Mumbai or precision engineering in Germany and the USA, Shakti Forge India remains the first choice for industries that demand excellence.
As one of the most reliable Super Duplex 2205 Round Bars Manufacturer, Stockist and Exporter, Shakti Forge India continues to expand its presence in domestic and international markets. Our focus on quality, timely delivery, and customer satisfaction makes us a preferred partner for leading industries across the globe. For bulk requirements or customized solutions, Shakti Forge India ensures the highest level of product integrity and service excellence.
Frequently Asked Questions (FAQs)
What is Super Duplex 2205 Round Bar?
- Super Duplex 2205 Round Bar is a high-strength duplex stainless steel bar containing austenitic and ferritic phases, offering excellent corrosion resistance, high mechanical strength, and superior performance in chloride-rich environments.
What are the key benefits of Super Duplex 2205 Round Bars?
- They offer exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, along with high tensile strength, good weldability, long service life, and better cost efficiency compared to nickel alloys.
Where are Super Duplex 2205 Round Bars commonly used?
- They are widely used in offshore platforms, seawater systems, desalination plants, petrochemical units, chemical processing equipment, pump shafts, valves, fasteners, and marine engineering applications.
What standards are applicable to Super Duplex 2205 Round Bars?
- Common standards include ASTM A182 F51, ASTM A276, ASTM A479, UNS S31803 / S32205, EN 1.4462, and ISO X2CrNiN22-5-3.
Do Super Duplex 2205 Round Bars have good corrosion resistance?
- Yes, they provide excellent corrosion resistance, especially against chloride-induced pitting, crevice corrosion, and stress corrosion cracking, making them suitable for highly aggressive environments.
Cities we have supplied our products to
Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)
Cities we have supplied our products to
South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland
Applications of Super Duplex 2205 Round Bars
- Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
- Chemical Processing Plants – heat exchangers, reactors, and storage vessels
- Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
- Aerospace – jet engines, turbine blades, and structural components
- Power Generation – nuclear plants, boilers, and steam generators
- Automotive – exhaust systems, sensors, and performance parts
- Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
- Construction & Infrastructure – high-strength fasteners, joints, and supports