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1.4507

Brand name

URANUS 52 N, Ferrinox 255

Trade name

Alloy F255, Super Duplex

Standards

Material No.
1.4507
EN Designation
X2CrNiMoCuN25-6-3
UNS
S32520
Alloy
F255

Description

1.4507 / Alloy F255 is a SUPER-DUPLEX chronium-nickel stainless steel with copper in addition.

Special properties

Excellent corrosion resistance in a wide variety of corrosive chemicals including sulphuric, phosphoric and nitric acids.

Chemical Composition

C
%
≤ 0.03
Si
≤ %
0.70
Mn
≤ %
2.00
P
≤ %
0.035
S
≤ %
0.015
Cr
%
24.0-26.0
Mo
%
3.00-4.00
Ni
%
6.00-8.00
N
%
0.20-0.30
Cu
%
1.00-2.50

Mechanical Properties 20°C

Hardness HB 30
≤ HB
270
0.2% Yield strength Rp
≥ N/mm²
550
Tensile strength Rm
N/mm²
≥ 760
Elongation A5
≥ %
25
Modulus of elasticity
kN/mm²
190

Physical Properties 20°C

Density
g/cm³
7.85
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
18
Electrical resistivity
Ω mm²/m
0.95

Suitable welding
filler materials

1.4507

Application

Chemical industry, oil and petrochemical industry

Available forms for 1.4507 / ALLOY F255

Sheets/Plates
Lieferform
Bars
Lieferform
Tubes/Pipes
Lieferform
Fittings
Lieferform
Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform