Duplex Steel 2205 UNS S31803 Hex Bars Manufacturer, Stockist and Exporter
Duplex Steel 2205 (UNS S31803) Hex Bars are widely recognized for their exceptional combination of strength, corrosion resistance, and durability in demanding industrial environments. Manufactured with a balanced microstructure of austenite and ferrite, these hex bars deliver superior mechanical performance compared to conventional stainless steels. Their high resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking makes them a preferred choice in offshore and marine applications. The hexagonal profile allows for improved machining and structural stability, ensuring precise performance across various engineering projects. With excellent weldability and fabrication characteristics, Duplex 2205 Hex Bars are suitable for custom-built components and heavy-duty assemblies. Industries such as oil & gas, chemical processing, and desalination plants rely heavily on the strength and fatigue resistance of these bars. Whether used in high-pressure systems or corrosive environments, Duplex 2205 provides long-lasting and reliable performance.
UNS S31803 Duplex Hex Bars are engineered to meet stringent quality and performance requirements across diverse industries. Their dual-phase microstructure enhances toughness and mechanical strength, enabling them to withstand extreme temperatures and pressures. The superior tensile and yield strength of Duplex 2205 reduces the need for thicker sections, resulting in cost-efficient and lightweight structural designs. These hex bars exhibit remarkable resistance to sulfuric acids, chlorides, and organic compounds, making them ideal for harsh chemical environments. Their hexagonal shape enhances torque transmission in mechanical parts, delivering better grip and rotational precision. Many fabrication industries choose Duplex 2205 Hex Bars due to their excellent machinability and thermal stability. With strict adherence to global standards, these bars ensure consistent quality, reliability, and safety in critical applications.
Duplex Steel 2205 Hex Bars are used extensively in equipment requiring high mechanical strength and superior corrosion resistance. These hex bars are highly effective in pressure vessels, heat exchangers, pumps, valves, and marine components exposed to seawater conditions. Their exceptional chloride resistance significantly reduces the risk of localized corrosion in marine and coastal environments. Duplex 2205 is also known for its exceptional fatigue strength, making it suitable for components exposed to repeated loading cycles. The hexagonal geometry offers added stability and ease of fabrication for various industrial fittings. Engineers value the material for its balanced performance in both corrosive and mechanical stress environments. In industries facing aggressive operational conditions, Duplex 2205 proves to be a dependable and cost-effective material choice.
Worldwide Duplex Steel 2205 UNS S31803 Hex Bars Manufacturer, Stockist and Exporter
UNS S31803 Duplex Steel Hex Bars offer consistent, reliable performance for engineering, manufacturing, and structural applications. They maintain excellent dimensional accuracy and surface finish, enabling easy integration into automated machining processes. These hex bars are known for their ability to perform efficiently under high loads without compromising toughness or ductility. Their low thermal expansion rate and high thermal conductivity ensure optimum functionality under fluctuating temperature conditions. Duplex 2205 also possesses strong resistance to erosion, abrasion, and impact, making it suitable for high-wear industrial components. The material’s compatibility with various welding techniques enhances its adaptability in fabrication environments. Customers across multiple sectors prefer Duplex Steel 2205 Hex Bars for their durability, reliability, and long service life.
Duplex Steel 2205 Hex Bars are designed to meet international manufacturing standards such as ASTM, ASME, DIN, EN, and JIS. Their robust chemical composition consisting of chromium, molybdenum, nitrogen, and nickel ensures outstanding corrosion resistance in a variety of chemical mediums. These bars maintain high performance even in acidic, alkaline, and chloride-rich conditions. The hexagonal cross-section offers improved fitment in mechanical couplings, providing enhanced rotational and binding strength. Industries involved in petrochemicals, pipeline systems, and industrial fluid handling rely on these bars for their superior operational efficiency. With dependable mechanical properties, these bars deliver stable and predictable results during machining and installation. The durability and strength of Duplex 2205 make it a cost-effective material for long-term industrial use.
UNS S31803 Hex Bars demonstrate excellent metallurgical stability, ensuring consistent performance across various working conditions. Their superior resistance to intergranular corrosion makes them ideal for heat-affected zones in welded structures. The combination of high tensile and yield strength contributes to improved load-bearing capacity in structural applications. Duplex 2205 also exhibits outstanding resistance to fatigue cracking, ensuring reliability in components subjected to dynamic stresses. The hex bars are efficiently utilized in pumps, shafts, fasteners, and supporting frames requiring high precision. Their compatibility with modern machining tools ensures smooth fabrication with minimal wastage. In aggressive industrial environments, these bars maintain durability, efficiency, and long-lasting performance.
Duplex Steel 2205 / UNS S31803 Hex Bars have gained global recognition for their exceptional performance in heavy-duty industrial applications. They are widely preferred for projects involving structural integrity, mechanical stability, and resistance to corrosive chemicals. The high chromium and molybdenum content ensures prolonged service life even in the harshest operational settings. The hexagonal shape provides added versatility for designing custom engineering components. These bars are suitable for industries such as pulp & paper, oil & gas, desalination, petrochemicals, and energy production. With high resistance to stress corrosion cracking, Duplex 2205 delivers consistent performance under variable pressures and environments. Overall, these hex bars offer a reliable, strong, and economical solution for modern industrial requirements.
Duplex Steel 2205 UNS S31803 Hex Bars
Specifications
| Duplex Steel 2205 / UNS S31803 Hex Bars – Specifications | |
|---|---|
| Grade | Duplex Steel 2205 / UNS S31803 |
| Standards | ASTM A276, ASTM A479, ASME SA276, SA479 |
| Dimensions | Across Flats (AF) 3 mm to 200 mm |
| Form | Hex Bars, Hex Rods, Cold Drawn Hex Bars, Hot Rolled Hex Bars |
| Length | 1 Meter – 6 Meters (Custom Cut Lengths Available) |
| Finish | Bright, Pickled, Black, Polished |
| Manufacturing Process | Hot Rolled, Cold Drawn, Annealed, Solution Treated |
| Certification | EN 10204 3.1 / 3.2, NACE MR0175, ISO, PED Approved |
| Applications | Oil & Gas, Marine, Chemical Processing, Heat Exchangers, Pump Shafts, Petrochemical, Desalination Plants |
Chemical Composition (Typical Ranges)
| Duplex Steel 2205 / UNS S31803 – Chemical Composition | |
|---|---|
| Element | Percentage (%) |
| Chromium (Cr) | 21.0 – 23.0 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Manganese (Mn) | 2.00 max |
| Silicon (Si) | 1.00 max |
| Carbon (C) | 0.030 max |
| Nitrogen (N) | 0.08 – 0.20 |
| Phosphorus (P) | 0.030 max |
| Sulfur (S) | 0.020 max |
| Iron (Fe) | Balance |
Mechanical Properties
| Duplex Steel 2205 / UNS S31803 – Mechanical Properties | |
|---|---|
| Property | Value |
| Tensile Strength | ≥ 620 MPa |
| Yield Strength (0.2% Proof) | ≥ 450 MPa |
| Elongation | 25% min |
| Hardness | 290 HB max |
| Impact Strength | High, Excellent Toughness |
| Modulus of Elasticity | 200 GPa |
| Density | 7.80 g/cm³ |
| Melting Range | 1350 – 1450°C |
Dimension Chart
| Duplex Steel 2205 / UNS S31803 Hex Bars – Dimension Chart | ||
|---|---|---|
| Across Flats (AF) mm | Across Flats (AF) Inches | Approx Weight (kg/m) |
| 6 mm | 0.236" | 0.25 |
| 8 mm | 0.315" | 0.45 |
| 10 mm | 0.393" | 0.70 |
| 12 mm | 0.472" | 1.00 |
| 14 mm | 0.551" | 1.30 |
| 16 mm | 0.629" | 1.70 |
| 18 mm | 0.708" | 2.10 |
| 20 mm | 0.787" | 2.60 |
| 22 mm | 0.866" | 3.10 |
| 25 mm | 0.984" | 4.10 |
| 28 mm | 1.102" | 5.20 |
| 30 mm | 1.181" | 6.00 |
| 32 mm | 1.259" | 6.90 |
| 36 mm | 1.417" | 8.50 |
| 40 mm | 1.574" | 10.20 |
| 45 mm | 1.771" | 13.00 |
| 50 mm | 1.968" | 16.00 |
| 55 mm | 2.165" | 19.40 |
| 60 mm | 2.362" | 23.00 |
Equivalent 2205 UNSs
| Duplex Steel 2205 / UNS S31803 – Equivalent Grades | |
|---|---|
| Standard | Equivalent Grade |
| ASTM / ASME | UNS S31803, ASTM A182 F51, ASTM A276 Duplex 2205 |
| EN / European | 1.4462 |
| JIS / Japanese | SUS 329J3L |
| DIN / German | X2CrNiMoN22-5-3 |
| ISO | ISO 15156, ISO 9223 (Duplex 2205 Equivalent) |
| British / BS | BS 2195, BS EN 10088-1 |
We offer a wide range of Duplex Steel 2205 UNS S31803 Hex Bars in various diameters, lengths, and finishes. Our bars are supplied with hot-rolled, cold-drawn, and centerless ground finishes, ensuring superior surface quality and dimensional accuracy. Custom cutting, polishing, and packaging services are also available to meet specific project requirements.
With a strong inventory, reliable distribution network, and dedicated customer support, Shakti Forge India continues to strengthen its position as a leading Duplex Steel 2205 UNS S31803 Hex Bars manufacturer, stockist, and exporter. Our products serve both domestic industrial hubs and global industries, delivering high-performance Duplex Steel bars that meet stringent engineering and quality standards.
Frequently Asked Questions (FAQs)
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 Duplex Steel 2205 UNS S31803 Hex 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
