TGL G-X 270 CrMn 25 Cast irons

Material group: Ferrous Alloys / Cast irons
Country / Standard: Germany / TGL

Data updates

Latest Update: 2020-07
Total number of updates: 1
Update History

This material has 14 properties — only a subset is shown here.

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TGL G-X 270 CrMn 25 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.5 – 2.9
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
23.0 – 27.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.6 – 2.2
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

TGL 23 839: 1985 / Castings for Increased Wear Resistance; Technical Conditions

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TGL G-X 270 CrMn 25 Heat Treatments

  • Soft annealing (G): Heated at 800°C, furnace cooled.

    Quenching and tempering (V): Heated at 950-1050°C, air cooled. Heated at 500°C, air cooled.

TGL G-X 270 CrMn 25 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≥ 450
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Rockwell Hardness (HR)
≥ 43
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Vickers Hardness (HV)
≥ 450
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  • 1Cross References
  • 6Composition
  • 6Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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