1.4507
S32550
F61
Superduplex stainless steels have a very high resistance to localized corrosion in chloride media, combined with a high mechanical strength.
Mechanical Properties
| Tensile strength: | 760 | N/mm² |
| Yield strength 0,2% : | 550 | ≥ N/mm² |
| Elongation: | 25 | ≥ % |
| Hardness HB30: | 270 | ≤ HB |
Chemical Composition
CARBON
C
0,03% max
SILICON
Si
0,07% max
MAGNESE
Mn
2,00% max
PHOSPHORUS
P
0,035% max
SULPHUR
S
0,015% max
CHROMIUM
Cr
24-26% max
NICKEL
Ni
6-8% max
NITROGEN
N
0,20-0,30% max
Heat Treatment
Corrosion testing
Welding
Marking
Certification
1040°C mini followed by rapid cooling in air or water.
OTHER DUPLEX & SUPERDUPLEX GRADES
| Tensile strength: | 500-700 | N/mm² |
| Yield strength 0,2% : | 200 | ≥ N/mm² |
| Elongation: | 40/30 | ≥ % |
| Hardness HB30: | 215 | ≤ HB |
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