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What is Duplex & Super Duplex Rings?

The Duplex and Super Duplex Steel rings are treated as very important alliances in various factors because of their great mechanical strength and, more importantly, their anti-corrosiveness. We, Metcore Alloys, are among the major manufacturers, suppliers, stockists, and exporters of the finest quality of Duplex and Super Duplex Steel Rings to various industries.

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These rings offer super performance in extremely difficult conditions and under the harshest circumstances. Thus, they serve for structural, mechanical, and general engineering applications quite appropriately. Our Duplex Steel Rings are manufactured using the latest machinery and infrastructure to guarantee that not a single piece is unable to meet the quality expectation of our clients. These rings are manufactured with precision to ensure optimum functionality in the most adverse situations.

It contains a peculiar combination of high mechanical strength with excellent resistance to corrosion. These features make the rings very ideal for a wide variety of industries that deal with oil and gas, petrochemicals, chemical processing, and even marine applications. The duplex structure provides better resistance to SCC, pitting, and crevice corrosion, hence making them very durable for a long period.

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We also have Super Duplex Steel Rings, which are much stronger, more resistant than others. These Super Duplex Rings are particularly suitable for those applications that require superior performance in high pressure and highly corrosive surroundings. Super Duplex materials are noted for their superior mechanical properties, making them ideal for application in offshore platforms, heat exchangers, and other critical systems. Our Super Duplex Rings are custom-made and hence can be made to multiple sizes and shapes depending on the needs of the project at hand.

At Metcore Alloys, we boast of being one of the leading manufacturers, suppliers and exporter, stockists of these highly superior quality Duplex and Super Duplex Steel Rings. We value the requirements of our customers and ensure that our products come in a wide range of specifications to serve diversified industrial purposes. Be it for mechanical use ranging from light-duty to heavy-duty structural applications, our Duplex and Super Duplex Rings offer unparalleled reliability, durability, and performance.

One of the prime advantages of our Duplex and Super Duplex Steel Rings lies in their being lightweight in addition to being of rugged construction. They are designed to be rust-proof, ensuring that they can maintain integrity even under harsh environmental conditions. This makes them an excellent choice for those industries where resistance to corrosion and long-term durability are required.

Duplex & Super Duplex Rings Manufacturers in Mumbai, Duplex & Super Duplex Rings Suppliers in Mumbai, Duplex & Super Duplex Rings Stockists in Mumbai, Duplex & Super Duplex Rings Exporters in Mumbai

Besides, the high values of tensile strength and toughness ensure resistance to extreme pressure and mechanical strength, thus making them invaluable in critical engineering projects. We shall be committed to offering qualitative Duplex and Super Duplex Steel Rings at very reasonable prices, matching the quality. Each Ring is designed and manufactured as per overall national and international standards, so that all our clients get such products from us which are not only reliable but also conform to the highest level of safety and performance.

Material Specification of Stainless Duplex & Super Duplex Rings
Specification Details
Standards ASTM A240 / ASME SA240
Dimensions ASTM, ASME, and API
Thickness 1 mm to 100 mm
Diameter Up to 2000 mm
Ring Size 3" OD up to 48" OD, up to 900 lbs max
Available Grades 304, 304L, 304H, 316, 316L, 317, 317L, 321, 310, 347, 904L
Equivalent Grades Of Duplex & Super Duplex Rings
STANDARD UNS WERKSTOFF NR.
Duplex 2205 S31803 / S32205 1.4462
Super Duplex 2507 S32750 / S32760 1.4410
Chemical Equation of Duplex & Super Duplex Rings
GRADE C Mn Si P S Cr Mo Ni N Fe
Duplex S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
Duplex S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min
Duplex S32750 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
Duplex S32760 0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30 57.61 min
Mechanical Composition of Duplex & Super Duplex Rings
ELEMENT DENSITY(g/cm 3) DENSITY (lb/in 3) MELTING POINT (°C) MELTING POINT (°F)
S31803 / S32205 7.805 0.285 1420 – 1465 2588 – 2669
S32750 / S32760 7.8 0.281 1350 2460
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