Description
Super Duplex 2507 (UNS S32750), 1.4410, A182 F53
Alloy 1.4410 ( S32750 ) is a super duplex stainless steel supplied in the solution annealed condition. As a super duplex stainless steel, it combines the desirable aspects of both austenitic and ferritic grades. The higher chromium, molybdenum and nitrogen contents result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50°C.
Supplied in the annealed condition, it achieves yield strengths of 80ksi (550Mpa), greater than most austenitic and duplex stainless steel grades. It cannot be hardened by heat treatment but can be strengthened by cold working. It also exhibits a low coefficient of thermal expansion and higher heat conductivity than austenitic steels and is suitable for working temperatures up to 300°C. Alloy 32750 is listed in NACE MR 0175 for sour service and having gained ASME Approval for Pressure Vessel applications it can be used in a wide variety of applications.
Duplex F53 Chemical Composition
| Element | Content (%) |
| Chromium, Cr | 24 – 26 |
| Nickel, Ni | 6 – 8 |
| Molybdenum, Mo | 3 – 5 |
| Manganese, Mn | 1.20 max |
| Silicon, Si | 0.80 max |
| Copper, Cu | 0.50 max |
| Nitrogen, N | 0.24 – 0.32 |
| Phosphorous, P | 0.035 max |
| Carbon, C | 0.030 max |
| Sulfur, S | 0.020 max |
| Iron, Fe | Balance |
MECHANICAL PROPERTIES
| Yield strength Rp0.2, MPa |
Tensile strength Rm, MPa |
Elongation [%] |
Hardness [HB] |
Impact, Charpy-V, -46ºC [J] |
Pre | |
| BAR | ≥ 550 | ≥ 750 | ≥ 25 | ≤ 310 | ≥ 45 | ≥ 40 |
| PLATE CR (COIL) | ≥ 550 | 750 – 1000 | ≥ 25 | ≤ 310 | ≥ 45 | ≥ 40 |
| PLATE HR (COIL) | ≥ 550 | 750 – 930 | ≥ 25 | ≤ 310 | ≥ 45 | ≥ 40 |
| PLATE (QUARTO) | ≥ 550 | 750 – 930 | ≥ 25 | ≤ 310 | ≥ 45 | ≥ 40 |
Applications of S32750, Super Duplex 2507
- Power
- Marine
- Chemical
- Pulp and paper
- Petrochemical
- Water desalinization
- Oil and gas production
We are Indonesia Duplex Stainless Steel supplier with full range of Stainless Steel sheets, stainless steel round bar , stainless steel rod, stainless steel plate, 300 Series stainless steel , 400 series stainless steel , 253ma, sus301, sus304, sus304l, sus309, sus310, sus316ti, sus317, sus321, sus403 , sus410 , sus420 , sus430, sus431 , sus440c , sus630 , sus904L, s31803 , s32750 , s32760, s31254, s320j4l, Nitronic30, Nitronic50 , Nictronic60
