Home > Duplex Steel > Duplex Steel Tubing
Duplex Steel Tubing is a robust stainless steel product designed to excel in tough environments. With its unique dual-phase microstructure made up of austenite and ferrite, this tubing strikes a fantastic balance between strength, corrosion resistance, and durability. When you stack it up against regular stainless steel tubing, duplex tubing shines with its higher yield strength and better resistance to stress corrosion cracking. It’s a go-to choice in industries where reliability and longevity are a must, such as oil and gas, marine, chemical processing, and power generation, ensuring smooth operation even under high pressure and corrosive 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 Aisha Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Tubing in Muscat, OMAN, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the OMAN, 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.
Duplex Steel Tubing finds its way into a variety of applications that demand high strength and corrosion resistance. You’ll commonly see it in heat exchangers, condensers, oil and gas transportation systems, offshore platforms, and subsea pipelines. It’s also a popular choice for chemical processing equipment, desalination plants, marine systems, and hydraulic and instrumentation tubing. In power plants and industrial settings, duplex steel tubing is favored for high-pressure and high-temperature applications. Its excellent weldability, durability, and resilience against harsh environments make it a reliable option across the board.
