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Discover our wide-ranging selection of duplex steel valves, engineered to surpass demanding engineering specifications thanks to our exceptional reliability and adaptability. Every valve is constructed from two premium stainless steel components and delivers unmatched quality and long-lasting durability. Consistent with industry benchmarks, our valves provide outstanding resistance to corrosion and superb performance in extreme temperature and pressure conditions. We prioritize customer satisfaction by delivering tailored solutions, competitive rates and rapid shipping. Incorporate our dependable duplex steel valves into your operations, and rely on their steady and trustworthy performance.
Grade | C | Mn | Si | S | Cu | Fe | Ni |
Duplex Steel S32205 201 | 0.02 max | 0.35 max | 0.35 max | 0.01 max | 0.25 max | 0.40 max | 99.0 min |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Duplex Steel S32205 201 | 8.9 g/cm3 | 1446 °C (2635 °F) | Psi – 67000 , MPa – 462 | Psi – 21500 , MPa – 148 | 45 % |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With advanced production facilities strategically situated in the New Zealand, we hold an extensive stock of more than 25,000 tons of top-quality materials readily on hand.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel Valves in accordance with DIN, ISO, JIS or ANSI Standard.
Duplex Steel Valves find uses across a wide range of sectors, led chiefly by the aerospace, railway, construction and automotive industries, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Double steel valves generally offer good resistance to galvanic corrosion thanks to the balance between austenitic and ferritic phases, which lowers the chance of galvanic coupling with dissimilar but in certain turbulent conditions or when paired with incompatible materials like carbon steel or copper alloys contact. Galvanic corrosion can even take place. Thoughtful material selection, surface treatment, and maintenance routines can reduce this risk, securing the longevity and dependability of double-sided steel valves in numerous ways.
Mail: sales@koasteel.nz