75 Cr 1 (Germany / DIN) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels, Ferrous Alloys / Tool steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2021-12
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 ≤ 550 MPa view details
Tensile Strength 690 MPa view details
Elongation, A 13 % view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Yield Strength, Rp0.2 ≤ 79.8 ksi view details
Tensile Strength 100.1 ksi view details
Elongation, A 13 % view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 8 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.289 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.7000 – 0.8000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.3000 – 0.4000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.6000 – 0.8000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

DIN 17350: 1980 / Tool Steels; Technical Conditions of Delivery

Heat Treatments

  • Operation of hardening - 770-800°C; Hardness, Brinell, HB 30 < 200; Hardness HRc 66; Hot working 1000-800°C; Soft annealing 700-720°C; Temper 180-200°C
  • Austenitized at 810-840°C, quenched in oil.