1.4418
Edelstahl,. X4CrNiMo16-5-1
stainless steel; corrosion resistant steel; martensite
Aerospace, Defence, Energy & environmental technology
The material 1.4418 is a martensitic chromium-nickel-molybdenum steel with very good mechanical properties. Due to its mechanical and corrosive resistance, this material is used for all kinds of parts subjected to such stresses.
Composition
C
Si
Mn
P
S
Cr
Mo
N
Ni
min.
-
-
-
-
-
15,00
0,80
0,020
4,00
max.
0,06
0,70
1,50
0,040
0,015
17,00
1,50
-
6,00
C
max.
0,06
Si
max.
0,70
Mn
max.
1,50
P
max.
0,040
S
max.
0,015
Cr
min.
15,00
max.
17,00
Mo
min.
0,80
max.
1,50
N
min.
0,020
Ni
min.
4,00
max.
6,00
Standards and designations
Material group
Stainless steel
AFNOR
Z6CND16-05-01; Z8CND17-04
AISI/SAE
318
Special designations
Acidur 4418
Fields of application
Chemistry, petrochemistry
Power engineering, onshore and offshore
Pump industry
Mechanical engineering
Plant engineering
Environmental technology
Aerospace industry
Drive technology
Attributes
Physical properties at 20° C
Density
7,70 kg/dm³
Specific heat
430 J/kg K
Thermal conductivity
15 W/m K
Electrical resistance
0,80 (ohm) mm²/m
Magnetizability
available
Delivery forms
Angle/profile
Cut to size/custom made
Flat
Hexagon
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
