G42CrMo4 (International / ISO) Material Properties

Other designations:
Material group: Ferrous Alloys / Cast steels
Country/Standard: International / ISO

Data updates

Latest Update: 2021-11
Total number of updates: 2
Update History:
2016-04

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 300 MPa view details
Tensile Strength 650 — 1000 MPa view details
Elongation, A 10 % view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 43.5 ksi view details
Tensile Strength 94.3 — 145 ksi view details
Elongation, A 10 % view details
Impact Energy val1
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ft·lb view details

Physical Properties

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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.38 – 0.45
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.80 – 1.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

ISO 14737: 2021 / Carbon and low alloy cast steels for general applications

Heat Treatments

  • Normalizing or Austenitizing at 900-980°C for +NT and 880-950°C for +QT1 and +QT2;<br>+NT: Tempering at 630-680°C;<br>+QT1: Tempering at 600-650°C;<br>+QT2: Tempering at 550-600°C;<br>For information only