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1.4112 Datasheet

X90CrMoV18
stainless steel; corrosion resistant steel; martensite; plastic mould steel

Defence, Energy & environmental technology, Medical & pharmaceutical technology

The material 1.4112 is a martensitic chromium steel with exceptionally high wear resistance. Thanks to its mechanical properties, this cold work tool steel is typically used as knife steel.

 

Composition

C
Si
Mn
P
S
Cr
Mo
V
min.
0,85
-
-
-
-
17,00
0,90
0,07
max.
0,95
1,00
1,00
0,040
0,015
19,00
1,30
0,12
C
min.
0,85
max.
0,95
Si
max.
1,00
Mn
max.
1,00
P
max.
0,040
S
max.
0,015
Cr
min.
17,00
max.
19,00
Mo
min.
0,90
max.
1,30
V
min.
0,07
max.
0,12

Standards and designations

Material group
Stainless steel
AFNOR
X90CrMoV18
AISI/SAE
440B
B.S.
X90CrMoV18
UNS
S44003

Fields of application

Cutlery industry

Mechanical engineering

Drive technology

Pump industry

Tool and mold making

Food industry

Construction industry

Medical 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
present

Thermal treatment

Soft annealing
780-840°C
Hardening
1000-1050°C
Tempering
100°C 59HRC
Tempering
600°C 40 HRC

Other properties

very good polishability
good mechanical properties
high wear resistance
medium machinability
very poor weldability

For the cold work area, which through heat treatment acquires a hardness and wear resistance unusually high for corrosion-resistant steels.

Delivery forms

Angle/profile
Icon Winkel
Cut to size/custom made
Icon Zuschnitte
Flat
Icon Flach
Hexagon
Icon Sechskant
Round
Icon Rund
Round tube/bushing
Icon Rundrohr
Sheets/sheet blanks/plates
Icon Bleche
Square
Icon Vierkant
Important note: The information on the properties or usability of materials or products is for information purposes only and does not constitute a contractual obligation. The information merely corresponds to the experience of the manufacturers and HSM®. All information is without guarantee. Misprints, errors and changes reserved.

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