G12MnMo7-4 (Germany / SEW) Material Properties

Other designations:
Material group: Ferrous Alloys / Cast steels
Country/Standard: Germany / SEW

Data updates

Latest Update: 2018-12
Total number of updates: 2
Update History:
2015-04

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 500 MPa view details
Tensile Strength 600 — 750 MPa view details
Elongation, A 16 % view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 72.5 ksi view details
Tensile Strength 87 — 108.8 ksi view details
Elongation, A 16 % 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
0.08 – 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.50 – 1.80
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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

SEW 520: 2017 / High-strength cast steel with good weldability - Technical delivery conditions

Heat Treatments

  • <b>Quenching and tempering</b>: <br /><br /> Austenitized at 900-940°C, quenched in fluid, tempered at 580-640°C <br /><br /> It is recommended to normalize the casting before annealing <br /> The temperature for the stress relief heat treatment should be at least 20°C, but at most 50°C below the applied tempering temperature of the casting