1.4057 Datasheet
X17CrNi16-2
stainless steel; corrosion resistant steel; martensite
The material 1.4057 is a martensitic chromium steel with good mechanical properties. Due to its high strength, it is mainly used for heavily stressed machine components.
Composition
C
Si
Mn
P
S
Cr
Ni
min.
0,12
-
-
-
-
15
1,5
max.
0,22
1
1,5
0,04
0,015
17
2,5
C
min.
0,12
max.
0,22
Si
max.
1
Mn
max.
1,5
P
max.
0,04
S
max.
0,015
Cr
min.
15
max.
17
Ni
min.
1,5
max.
2,5
Standards and designations
Material group
Stainless steel
AFNOR
Z15CN16-02
AISI/SAE
431
B.S.
431S29
UNS
S43100
Fields of application
Automotive Industry
Power engineering, onshore & offshore
Turbine construction, power plant construction, transformer construction
Aerospace industry
Mechanical engineering
Food industry
Drive technology
Chemistry, petrochemistry
Attributes
Physical properties at 20° C
Density
7,70 kg/dm³
Specific heat
460 J/kg K
Thermal conductivity
25 W/m K
Electrical resistance
0,70 (ohm) mm²/m
Magnetizability
available
Thermal treatment
Hot forming
800 - 1100 °C
Soft annealing
680 - 800 °C
Hardening (oil, air)
950 - 1050 °C
Tempering
600 - 800 °C
More properties
very good polishability
very good strength
good corrosion resistance
good mechanical properties
good weldability
poor forgeability
Delivery forms
Cut to size/custom made
Flat
Hexagon
Round
Round tube/bushing
Sheets/sheet blanks/plates
Slit strip
Square
