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Super Duplex UNS S32760
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UNS S32760, F55, 1.4501 Super Duplex has enhanced pitting and crevice corrosion resistance compared with the ordinary austenitic or duplex types. This is due to the further additions of chromium, molybdenum, and nitrogen to these grades. UNS S32760, F55, 1.4501 combines high strength and good ductility with outstanding corrosion resistance. With UNS S32760, F55, 1.4501 having these attribute it is used in a wide range of marine, oil and gas environments. UNS S32760, F55, 1.4501 is the most common super duplex grade.
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| TYPICAL ANALYSIS |
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| C. |
Cr. |
Cu. |
Mn. |
Mo. |
N. |
Ni. |
P. |
S. |
Si. |
W. |
| 0.03% |
24.00- |
0.50- |
1.00% |
3.00- |
0.20- |
6.00- |
0.035% |
0.015% |
1.00% |
0.50- |
| max |
26.00% |
1.00% |
max |
4.00% |
0.30% |
8.00% |
max |
max |
max |
1.00% |
Minimum Mechanical Properties at Room Temperature
(EN10088-3 1.4501 UNS S32760 F55 160mm dia max - solution treated)
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Tensile (UTS)
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730 - 930 N/mm²
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0.2% Proof Stress
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530 N/mm² Min
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Elongation
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25% min
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Hardness
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290HB Max
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Impact
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100J
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| Super Duplex Stainless Steel Specifications EN10088-3 UNS S32760 F55 1.4501 Grade X2CrNiMoCuWN25-7-4 ASTM A182 F55 NACE MR01-75 ISI 15156ASTM A276 A314 SAE J405 Norsok MDS D51 D55 D57 D58 |
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