1.4543
X3CrNiCuTiNb12-9; X3CrNiCuTi12-9
stainless steel; corrosion resistant steel
Medical & pharmaceutical technology
The material 1.4543 or Alloy 455 is a martensitic chromium stainless steel with added nickel and copper.
Composition
C
Si
Mn
P
S
Cr
Cu
Mo
Nb
Ni
Ti
min.
-
-
-
-
-
11,00
1,50
-
0,100
7,50
0,90
max.
0,03
0,50
0,50
0,020
0,015
12,50
2,50
0,50
0,500
9,50
1,40
C
max.
0,03
Si
max.
0,50
Mn
max.
0,50
P
max.
0,020
S
max.
0,015
Cr
min.
11,00
max.
12,50
Cu
min.
1,50
max.
2,50
Mo
max.
0,50
Nb
min.
0,100
max.
0,500
Ni
min.
7,50
max.
9,50
Ti
min.
0,90
max.
1,40
Standards and designations
Material group
Stainless steel
UNS
S45500
Special designations
Alloy 455; MX455®; Custom 455®
Delivery forms
Flat
Hexagon
Round
