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Discover top-quality alloy steel valves across our product pages, addressing industrial requirements through end-to-end solutions. Look into the flexibility of alloy steel door valves fit for varied applications. Our products feature outstanding workmanship, deliver lasting performance and satisfy rigorous anti-corrosion benchmarks. Being your reliable dealer, we place customer satisfaction above all, providing a wide-ranging selection, competitive pricing, and reliable delivery. As a mark of our dedication to quality and performance, boost your performance with our premium alloy steel valves built to the highest design, engineering and commercial standards.
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge 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.
Depending on the particular alloy makeup and design, alloy steel valves can be appropriate for cryogenic uses. Certain compounds, like those with lower temperatures, are able to endure the cold temperatures typically found in the tropics.
Alloy steel valves are suitable for underground applications thanks to their corrosion resistance properties. To guarantee longevity and performance, it is important to select appropriate coatings or materials that can endure subsurface conditions like soil erosion and moisture.
When installing alloy steel valves, take into account elements like correct alignment with the piping, sufficient support to avoid stress and vibration, suitable sealing to stop leaks, measures for corrosion protection, and following the manufacturer’s instructions to achieve the best performance and durability.
Yes, alloy valves can be recycled. Alloy steel is a ferrous material, which means it contains iron, a metal that is highly recyclable. Once alloy steel valves come to the end of their service life, they can be collected, remelted and repurposed in the manufacture of new alloy steel goods, supporting sustainability efforts
| Specifications | ASTM A216, A217, A352, A351/ ASME SA216, SA217, SA352, SA351 |
| Standards | API 600/BS1414, API 598/BS EN 12266-1, ASME B 16.10, ASME B 16.5, ASME B 16.25, ASME B 16.34 |
| Size | 1/8″ to 16″ |
| End Connection | Screwed [NPT], BSPT, Socket Weld, Flanged End, Screwed Parallel, Screwed Taper |
| Pressure rating | 150#,300#,600#,900#,1500#, 2500# |
| Grade | Ni | Fe | C | Mn | Si | Cu | Cr | Mo | S | P | Nb |
| Alloy Steel Valves | 32 – 38 | Bal | 0.02 max | 1 – 2 | 0.7 max | 3 – 4 | 19 – 21 | 2 – 3 | 0.005 max | 0.02 max | 0.1 – 0.3 |
Reach out to us for a fast quote tailored to your needs.
We supply these Alloy Steel Gate Valve conforming to DIN, ISO, JIS or ANSI Standard.
| Element | Tensile Strength | Density | Melting Point | Elongation | Yield Strength (0.2%Offset) |
| Alloy Steel Valves | Psi -80,000, MPa -551 | 8.1 g/cm3 | 1443 °C (2430 °F) | 30 % | Psi – 35,000, MPa – 241 |
Alloy Steel Valve applications are as varied as the industries they cater to, driven mainly 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.
Mail: sales@koasteel.nz
