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Sayam Nickel Alloys is a well-respected manufacturer and supplier of Duplex Steel Tubing based in Hyderabad, providing top-notch tubing solutions for demanding industrial needs. The company has built a solid reputation thanks to its state-of-the-art manufacturing facilities, precision engineering, and rigorous quality control systems that meet international standards. Sayam Nickel Alloys delivers Duplex Steel Tubing that boasts excellent dimensional accuracy, consistent wall thickness, and a superior surface finish. Crafted to offer high strength, corrosion resistance, and durability, this tubing guarantees reliable performance and a long service life, even in tough operating conditions.
Duplex Steel Tubing is made from a carefully balanced microstructure of austenitic and ferritic stainless steel, typically featuring chromium, nickel, molybdenum, and nitrogen. This unique composition gives it outstanding resistance to stress corrosion cracking and pitting. On the mechanical side, duplex steel provides higher tensile and yield strength compared to austenitic stainless steels, along with impressive toughness and fatigue resistance. The tubing remains structurally stable under high pressure and fluctuating temperatures, making it perfect for challenging service conditions.
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Standard |
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ASTM A789 /ASME SA 789 |
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Type |
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Seamless Tubes |
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Grade |
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UNS S31803 & UNS S32205 |
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Size |
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1/2″NB TO 12 “NB IN |
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Thickness |
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0.5-45mm |
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Outer Diameter |
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6.0-630mm |
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Dimensions |
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OD(6.0-630)*WT(0.5-45)mm |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80 |
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Length |
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Single Random, Double Random & Cut Length |
Duplex Steel Tubing | Ni | Cr | Mo | Mn | Si | C | N | S | P | Fe |
MIN | 4.5 | 22.0 | 3.0 | – | – | – | 0.14 | – | – | – |
MAX | 6.5 | 23.0 | 3.5 | 2.0 | 1.0 | 0.03 | 0.2 | 0.02 | 0.03 | Balance |
At Sayam Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Tubing in Hyderabad, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
You’ll find Duplex Steel Tubing widely used in industries that demand high strength and corrosion resistance. It’s commonly found in oil and gas production, petrochemical processing, chemical plants, and offshore platforms. Additionally, it plays a vital role in power generation, desalination plants, heat exchangers, and various structural applications. Its ability to withstand chlorides, moisture, and harsh environments makes Duplex Steel Tubing an excellent choice for fluid transport and structural systems that require long-term reliability and minimal maintenance.