Home > Duplex Steel > Duplex Steel Tubing
Santner Nickel Alloys is a leading manufacturer and distributor of Duplex Steel Tubing in Hamilton, New Zealand. Known for our commitment to quality and innovation, we provide high-strength, corrosion-resistant duplex steel tubing that meets the stringent requirements of various industries, including chemical, petrochemical, and marine sectors. Our products are designed to withstand harsh environments, ensuring long-lasting performance and reliability. With a strong focus on customer satisfaction, we offer customized solutions tailored to your specific needs. Trust Santner Nickel Alloys for top-grade duplex steel tubing that delivers exceptional durability and efficiency.
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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 |
: |
OD(6.0-630)*WT(0.5-45)mm |
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Schedule |
: |
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 Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Tubing in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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 is widely used in industries that require high strength and excellent corrosion resistance. It’s ideal for applications in the chemical and petrochemical sectors, where it handles corrosive substances and high-pressure environments. In the oil and gas industry, it’s used in pipelines, heat exchangers, and processing equipment. The marine industry also benefits from duplex steel tubing’s resistance to seawater corrosion. Additionally, it’s employed in the construction of desalination plants, power generation systems, and other demanding industrial settings.
