Material No.:
Code:
DE - Brand:
1.2083 X40Cr14
Chemical composition:
(Typical analysis in %)
HC50
C
Cr
0,40 13,50
Steel properties:
Tool steel with high dissolved Cr-content in the steel
matrix, corrosion resistant in hardened condition, good
polishability.
Applications:
Mould and pressure tools, tooling and inserts for
corrosive plastics and polymers.
Condition of delivery:
Soft annealed to max. 241 HB
Physical properties:
Thermal expansion coefficient
Thermal conductivity
10-6⋅m
20-100°C 20-200°C 20-300°C 20-400°C
m⋅K
10,5
10,9
11,3
W
20°C
350°C
700°C
m⋅K
24,6
25,3
26,2
11,6
Heat treatment:
Soft annealing
Stress relief annealing
04/05
Hardening
Temperature
Cooling
Hardness
760 - 800°C
furnace
max. 241 HB
Temperature
Cooling
600 - 650°C
furnace
Temperature
Cooling
Tempering
1000 – 1050°C
oil, pressure gas (N2),
air or hot bath
500 - 550°C
see tempering
diagram
Dörrenberg Edelstahl GmbH · Hammerweg 7 · D-51766 Engelskirchen
Tel.: +49 22 63 / 79 1 · Fax: +49 22 63 / 79 20 5 · www.doerrenberg.de
A company of the
GESCO group
(1.2083) Thermal Cycle Diagram
600-650°C
Tempering
hardening temperature
3rd preheating
step
½ min. / mm
~850°C
cooling
2nd preheating
oil, pressure
step
gas (N2)
½ min. / mm
~650°C
Finish
machining
cooling slowly
in furnace
Hardening
Intermediate
machining
Temperature
Rough
machining
Stress relief annealing
hot bath
500-550°C
tempering
1 h / 20 mm
at least 2 h
1st preheating
step
½ min. / mm
~400°C
equalisation
1 h / 100 mm
Time
Continuous Cooling Transformation Diagram (CCT)
Austenitizing temperature: 1040°C
1200
1000
Temperature [°C]
Ac1e
800
A+C
600
F
15
5
95
35 25
75
5P 40
35
Ac1b
400
200 Ms
M
0
0,1
672
1
10
10
2
579 456 244 220
3
10
Time [s]
10
4
10
193 HV
5
10
6
Tempering Diagram
70
65
Hardness [HRc]
60
55
50
45
40 Test specimen:
= 25 mm, h = 30 mm
35 quenched from 1030°C
in oil
30
0
100
200
300
400
500
Tempering temperature [°C]
Remarks: All technical information is for reference only.
600
700