Duplex 2205 / Super Duplex 31803 / 2507 / 32750 / 32760 Components
Detailed Information
Duplex stainless steels are classified according to their resistance to corrosion, which is usually determined by their alloy content. This group of grades includes Super-Duplex. The name was coined in the 1980s to describe Duplex with a pitting resistance of greater than 40 (based on Cr percent + 3.3Mo percent + 16N percent). The same three metals are present in both super duplex and duplex stainless steels, but at differing amounts. Duplex is made up of 22% chromium, 5%-6 percent nickel, and 3% molybdenum. Meanwhile, super duplex has a chromium content of 25%, a nickel content of 7%, and a molybdenum content of 4%. The greater amounts of these elements are what give super duplex stainless steel its superior corrosion resistance compared to duplex stainless steel.
Lakshya International is a well-known company that specialises in manufacturing Duplex Components and parts. Based on market need, we provide a broad range of high-quality products. Our customers have access to a variety of services, including product design, manufacturing, and suppliers, as well as testing and direct delivery. We provide a broad assortment of parts and components at competitive prices with a number of benefits. Lakshya International, the world’s largest producer, supplier, and exporter, manufactures, supplies, and exports Super Duplex Components and Parts. To develop a comprehensive selection of Duplex and Super Duplex Components, our engineers employ cutting-edge technology. We can deliver a higher-quality product at a lower cost.
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Duplex 2205 / Super Duplex 31803 / 2507 / 32750 / 32760 Components Products
Duplex 2205 / Super Duplex 31803 / 2507 / 32750 / 32760 Components
Duplex Steel Components
Super Duplex Steel Components
Duplex Steel S32760 Components
Duplex UNS S31803 & Super Duplex S32750 / S32760 Chemical Composition :
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
Fe |
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 |
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 |
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 |
Duplex UNS S31803 & Super Duplex S32750 / S32760 Mechanical properties :
Grades |
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 |
Equivalent Grades for Duplex UNS S31803 & Super Duplex S32750 / S32760:
STANDARD |
WERKSTOFF NR. |
UNS |
Duplex 2205 |
1.4462 |
S31803 / S32205 |
Super Duplex 2507 |
1.4410 |
S32750 / S32760 |
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