Datasheet

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1.4460

Brand name

10RE51, SS44®

Trade name

Duplex

Standards

Material No.
1.4460
EN Designation
X3CrNiMoN27-5-2
AISI/SAE
329
UNS
S32900

Description

1.4460 / DUPLEX is an austenitic-ferritic chromium-nickel-molybdenum stainless steel.

Special properties

Usage in high chemical and mechanical stress.

Chemical Composition

C
%
≤ 0.05
Si
≤ %
1.00
Mn
≤ %
2.00
P
≤ %
0.035
S
≤ %
0.015
Cr
%
25.0-28.0
Mo
%
1.30-2.00
Ni
%
4.50-6.50
N
%
0.05-0.20

Mechanical Properties 20°C

Hardness HB 30
≤ HB
260
0.2% Yield strength Rp
≥ N/mm²
450
Tensile strength Rm
N/mm²
620-800
Elongation A5
≥ %
20
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.8
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
15
Electrical resistivity
Ω mm²/m
0.8

Suitable welding
filler materials

1.4330; 1.4337; 1.4430

Application

Shipbuilding, compressor wheels

Available forms for 1.4460 / AISI 329

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