1.2344
X40CrMoV5-1
tool steel; alloyed; cold-/hot work steel; plastic mould steel; precision ground flat steel
-
The material 1.2344 is a hot work tool steel with excellent hot wear resistance and good thermal shock resistance and good thermal shock resistance. It can be used universally, However, its main application is in die casting and forging tool making.
Composition
C
Si
Mn
P
S
Cr
Mo
V
min.
0,35
0,80
0,25
-
-
4,80
1,20
0,85
max.
0,42
1,20
0,50
0,030
0,020
5,50
1,50
1,15
C
min.
0,35
max.
0,42
Si
min.
0,80
max.
1,20
Mn
min.
0,25
max.
0,50
P
max.
0,030
S
max.
0,020
Cr
min.
4,80
max.
5,50
Mo
min.
1,20
max.
1,50
V
min.
0,85
max.
1,15
Standards and designations
Material group
Tool steel
AFNOR
Z40CDV5
AISI/SAE
H13
B.S.
BH13
JIS
SKD61
UNS
T20813
Fields of application
Dies & die inserts
Forging dies
Hot extrusion dies
Die casting tools
Hot shear blades
Plastic molds
Screws & barrels
Attributes
Physical properties at 20°C
Density
7,74 kg/dm³
Average coefficient of thermal expansion
10,8 x 10-6 / K
Thermal conductivity
19,2 W/m K
Electrical resistance
0,543 (ohm) mm²/m
Modulus of elasticity
210 kN/mm²
Thermal treatment
Hot forming
900 - 1100 °C
Soft annealing
750 - 780 °C
Hardening
1010 - 1030 °C
Tempering
540 - 560 °C
Other features
high heat resistance
high hot wear resistance
insensitivity to hot cracking
high thermal shock resistance
Nitriding ability
Delivery forms
Sheets/sheet blanks/plates
Cut to size/custom made
Flat
Hexagon
Powder
Profile tube
Round
Round tube/bushing
Sheets/sheet blanks/plates
Square
