Cq 15 (Germany / DIN) Material Properties

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

Data updates

Latest Update: 2017-11
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength ≤ 490 MPa view details
Tensile Strength ≤ 71.1 ksi view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 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 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1200 – 0.1800
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.3000 – 0.6000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.0350
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 1654-3: 1989 / Cold heading and cold extruding steels; technical delivery conditions for case hardening steels

Heat Treatments

  • Blank hardening (cooling in water): 900°C; Carburizing: 900-950°C; Core hardening: 880-920°C; Case hardening (cooling in water): 770-810°C; Tempering: 150-180°C (as a guide, for 1 hour minimum)