G30MnCrMoB6-4 (France / AFNOR NF) Material Properties

Material group: Ferrous Alloys / Cast steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2020-12
Total number of updates: 2
Update History:
2015-09

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Tensile Strength 700 — 1350 MPa view details
Elongation, A 10 — 22 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 250 — 300 view details
Rockwell Hardness (HR) val1
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view details
Tensile Strength 101.5 — 195.8 ksi view details
Elongation, A 10 — 22 % view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 250 — 300 view details
Rockwell Hardness (HR) val1
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view details

Physical Properties

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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
0.002 – 0.006
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.23 – 0.33
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.4 – 1.0
UNIT
%
CAS NUMBER
7440-47-3
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
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

NF A 32-058: 2019 / Foundry products - Abrasion resistant cast steels

Heat Treatments

  • <b>Quenched and tempered (+QT1): </b> Water quenched at 930 to 980°C and tempered at 250 to 350°C<br> <b>Quenched and tempered (+QT2): </b> Oil quenched at 930 to 980°C and tempered at 600 to 650°C<br> <b>Structure:</b><br> - for +QT1 condition – Bainitic and martensitic <br> - for +QT2 condition – Bainitic and martensitic <br>