2507, 32750, 1.4410
Chemical Specification of Alloy 32750
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Super Duplex alloy UNS S32750 (F53 / 1.4410 / 32750 / Alloy 2507) has excellent corrosion resistance to a wide variety of media, with outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with Critical Pitting Temperature exceeding 50°C.
UNS S32750 (F53 / 1.4410 / Alloy 32750) exhibits a low coefficient of thermal expansion and higher heat conductivity than austenitic steels and is suitable for working temperatures up to 300°C.
Listed in NACE MR 01 75 for sour service UNS S32750 (F53 / 1.4401) and having gained ASME Approval for Pressure Vessel applications Alloy 32750 can be used in a wide variety of applications.
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| Alloy | Common Name | Related Specifications | Tensile Strength | Proof Stress | Elongation | ||
|---|---|---|---|---|---|---|---|
| British | European | United States | |||||
|
Super Duplex Alloy 2507 |
Alloy 2507 | 1.4410 | UNS S32750 | F53 | 800 [116] | 550 [79.8] | 15 |
Chemical Specification of Alloy 32750
| Elements | C | Cr | Cu | Fe | Mo | Mn | N | Ni | P | S | Si | W |
| Minimum | 24.0 | REMAINDER | 3.00 | 0.24 | 6.00 | 0.20 | 0.50 | |||||
| Maximum | 0.030 | 26 | 0.50 | 5.00 | 1.20 | 0.32 | 8.00 | 0.035 | 0.020 | 0.80 | 1.00 |