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Super Duplex Steel F55 (UNS S32760)
Technical Data Sheet
F55 Duplex is the most common super duplex grade it has an enhanced pitting and crevice corrosion resistance compared with the ordinary austenitic or duplex types.
| Chemical Composition Limits | ||||||||||
| Weight% | C | Mn | P | S | Si | Cr | Ni | Mo | N | W |
| Super Duplex F55 | 0.03 max | 1.00 max | 0.03 max | 0.01 max | 1 max | 24-26 | 4.5-6.5 | 3-4 | 0.25 | 0.08-0.20 |
Typical Mechanical Properties
| Alloy | Tensile Strength N/mm² | Yield Strength 0.2% N/mm² | Elongation | Hardness HB |
| Super Duplex F55 | 860 | 720 min | 16 min | 270 max |
Availability
Super Duplex F55 is available in Bar from 6mm dia to 270mm dia and Forging Stock. For all stock availability contact Sales.
Specifications
ASTM A182 F55
ASTM A276 F55
ASTM A479 F55
AISI F53
WS 1.4501
X2CrNiMoCuWN25.7.4
AFNOR Z3CND25.06Az
EN10088-3
UNS S32760
ZERON 100
NACE MR01-75
PED 97/23/EC
