Datasheet

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1.4543

Brand name

Custom 455®

Trade name

Alloy 455

Standards

Material No.
1.4543
EN Designation
X3CrNiCuTiNb12-9
UNS
S45500
Alloy
455

Description

1.4543 / Alloy 455 is a martensitic chromium stainless steel with nickel and copper addition.

Special properties

High corrosion resistance high-end hardness after aging.

Chemical Composition

C
%
≤ 0.03
Si
≤ %
0.50
Mn
≤ %
0.50
P
≤ %
0.02
S
≤ %
0.015
Cr
%
11.0-12.5
Mo
%
≤ 0.50
Ni
%
3.00-5.00
Ti
≤ %
0.90-1.40
Cu
%
1.50-2.50
Nb
%
0.10-0.50

Mechanical Properties 20°C

Hardness HB 30
≤ HB
480
0.2% Yield strength Rp
≥ N/mm²
1510
Tensile strength Rm
N/mm²
1585-1720
Elongation A5
≥ %
8
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.78
Specific heat capacity
J/kg K
450
Thermal conductivity
W/m K
14
Electrical resistivity
Ω mm²/m
0.76

Application

Medical technology

Available forms for 1.4543 / Alloy 455

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