Duplex Round Bars
As a top manufacturer and supplier of duplex steel round bars, Kalpataru Piping Solutions is known for its high strength, durability against corrosion, and mechanical properties. Global demands are taken into account throughout the construction of our duplex bars, ensuring superior reliability and quality. Being active in the industry for several decades, we conduct rigorous inspections before distributing the final item. We offer Duplex Steel Round Bars in a variety of qualities and dimensions to meet our consumer’s distinctive needs.
Our team of experts may assist if you’re looking for exceptional Duplex Steel Round Bars. We assure timely delivery and offer reasonable rates. Get additional details regarding our Duplex Steel Round Bars or to request quotations, connect with us right away.
Grades of Duplex Round Bars
Specification of Duplex Round Bars
| Standard | ASTM A276, ASME SA276 |
| Dimension | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bars | Outside Diameter in the range of 4mm to 500mm |
| Bright Bars | Outside Diameter in the range of 4mm to 100mm |
| Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
| Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
| Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm, |
| Size | 6 mm to 120 mm. |
| Diameter | 6mm to 350mm Diameter |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc |
| Tolerance | +/-0.2mm |
Equivalent Grade of Duplex Steel Round Bars
| Duplex Steel Round Bar Grade | Equivalent Grade | Microstructure | Key Properties | International Standards |
| Duplex 2205 | UNS S32205 / UNS S31803 | Dual-phase (Austenitic & Ferritic) | Excellent strength and corrosion resistance | EN 10088-3 (1.4462) |
| Duplex 2507 | UNS S32750 / UNS S32760 | Dual-phase (Austenitic & Ferritic) | High strength, excellent pitting & crevice corrosion resistance | EN 10088-3 (1.4410) |
| Duplex 2304 | UNS S32304 | Dual-phase (Austenitic & Ferritic) | Cost-effective, good corrosion resistance, good weldability | EN 10088-3 (1.4362) |
Chemical Composition of Duplex Round Bars
| Element | Percentage Range | Function/Effect |
| Iron (Fe) | Balance | Primary base element |
| Chromium (Cr) | 21% to 23% | Enhances corrosion resistance, especially in harsh environments |
| Nickel (Ni) | 4.5% to 6.5% | Contributes to high strength and ductility |
| Molybdenum (Mo) | 2.5% to 3.5% | Improves corrosion resistance, especially against chloride-induced pitting and crevice corrosion |
| Nitrogen (N) | 0.08% to 0.20% | Stabilizes the austenitic phase and enhances mechanical properties |
| Manganese (Mn) | Controlled | Improves toughness and reduces susceptibility to cracking |
| Silicon (Si) | Controlled | Enhances oxidation resistance and improves strength |
| Carbon (C) | Controlled | Regulates hardness and strength but kept low to avoid brittleness |
FAQ
What is a Duplex Bar?
Joiners who construct windows are the main consumers of duplex bars. Jewelry making is placed at the highest of any extra spacer bars within the double-glazed piece when it is in the structure. It delivers the look of multiple parts inside the framework.
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Countries We Deliver
Iran, Venezuela, Saudi Arabia, Slovakia, Romania, Zimbabwe, Spain, Kazakhstan, Canada, Nigeria, Bulgaria, Afghanistan, Thailand, Bangladesh, Poland, United Kingdom, Bahrain, Jordan, Lithuania, Malaysia, France, Nigeria, Japan, Oman, Lebanon, Germany, Croatia, Australia, Puerto Rico, South Korea, Hungary, United States, Bhutan, Mexico, Mexico, Yemen, Singapore, New Zealand, Ecuador, Gabon, Qatar, Denmark, Iran, Netherlands, Norway, Sri Lanka, Belgium, Libya, Kuwait, Pakistan, Gambia, Sweden, Azerbaijan, Argentina, Chile, Ghana, United Arab Emirates, Finland, Nepal, Trinidad andamp; Tobago,Tunisia, Kenya, Peru, Austria, Russia, Ukraine, Italy, Belarus, Bolivia, Serbia, Poland, Mongolia, Turkey, Czech Republic, South Africa, Angola, India, Vietnam, Indonesia, Tibet, Ireland, Costa Rica, Greece, Colombia, Namibia, Iraq, Estonia, Israel, Macau, Philippines, Brazil, Switzerland, Algeria, Morocco, Chile, Portugal, Egypt, Taiwan, China, Hong Kong.
Cities We deliver
Bhopal, Lahore, Milan, Hyderabad, Pune, Vadodara, Pimpri-Chinchwad, Aberdeen, Howrah, Jeddah, Riyadh, Bogota, Petaling Jaya, Dallas, Lagos, Nagpur, Houston, Brisbane, Busan, Karachi, Coimbatore, Seoul, Caracas, Atyrau, Perth, Haryana, Bengaluru, Jaipur, Al Jubail, Kuwait City, Al Khobar, Sydney, Ranchi, Chiyoda, Noida, Chandigarh, Secunderabad, Ahvaz, Port-of-Spain, Singapore, Gurgaon, Rajkot, Rio de Janeiro, Abu Dhabi, Hong Kong, Surat, Sharjah, Hanoi, London, Muscat, Jakarta, Navi Mumbai, Istanbul, Kolkata, Cairo, Mumbai, Santiago, Montreal, Faridabad, Vung Tau, Bangkok, Ankara, Ahmedabad, Granada, Melbourne, Tehran, Visakhapatnam, New Delhi, Los Angeles, Ho Chi Minh City, Edmonton, La Victoria, Baroda, Thane, Nashik, Kuala Lumpur, Moscow, Ernakulam, Courbevoie, Calgary, Geoje-si, Indore, New York, Mexico City, Gimhae-si, Ludhiana, Kanpur, Ulsan, Thiruvananthapuram, Manama, Doha, Chennai, Madrid, Jamshedpur, Algiers, Dammam
