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AISI F55 – Austenitic Ferritic SuperDuplex Steel

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AISI F55 is a  austenitic ferritic SuperDuplex steel, offering high resistance against pitting corrosion resistance within chloride rich environments.

Alias

AISI F55
ASTM A182
1.4501
X2CrNiMoCuWN25 74
S32760
Zeron 100
Seacol 760

Chemistry

Base Element Fe (Iron)

Element Min Max
C (Carbon) 0.03%
Cr (Chromium) 24% 26%
Cu (Copper) 0.5% 1%
Mn (Manganese) 1%
Mo (Molybdenum) 3% 4%
N (Nitrogen) 0.2% 0.3%
Ni (Nickel) 6% 8%
P (Phosphorus) 0.03%
S (Sulphur) 0.01%
Si (Silicon) 1%
W (Tungsten) 0.5% 1%
Mechanical Properties Min Max
Ultimate Tensile Strengh (UTS) 750 MPa 895 MPa
Yield Strength 550 MPa
Elongation 25%
Gauge Length A50mm

Applications 

Used commonly within the Offshore and petrochemical industries, typical applications include Pumps, flanges, valves, pipes, etc.

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