GS-21 Mn 5 P (Germany / VdTÜV) Material Properties

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

Data updates

Latest Update: 2020-06
Total number of updates: 3
Update History:
2016-02 2014-06

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 300 MPa view details
Tensile Strength 480 — 620 MPa view details
Elongation, A 20 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 43.5 ksi view details
Tensile Strength 69.6 — 89.9 ksi view details
Elongation, A 20 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb 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
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.10 – 1.30
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

WB 476: 2019 / Cold-tough cast steel GS-21Mn5 P and PG, material No.1.1138, Hollow casting, solid casting, valve body

Heat Treatments

  • Hardened: 900 to 940°C, after reaching the temperature in total cross-sectional area, liquid cooling; Tempered: 620 to 660°C, 3 min/mm wall thickness, but not less than 1h holding time, cooling in the furnace or in still air; Stress relieved: 600 to 640°C, but at least 20°C below the tempering temperature, 3 min/mm wall thickness, but not less than 1h holding time, cooling in the furnace or in still air.