GB BTMCr18Mn2W Cast irons

Material group: Ferrous Alloys / Cast irons
Country / Standard: China / GB

Data updates

Latest Update: 2025-08
Total number of updates: 1
Update History

This material has 20 properties — only a subset is shown here.

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GB BTMCr18Mn2W Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.8 – 3.5
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16 – 22
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
2.0 – 2.5
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
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

GB/T 24597: 2009 / Cr-Mn-W series of abrasion resistant iron castings

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GB BTMCr18Mn2W Heat Treatments

  • Soft annealed at 960-1060°C, hold at that temperature. Slowly cooled at 680-750°C, hold at that temperature. Slowly cooled to below 600°C, air or furnace cooled.
    Hardened at 950-1050°C, rapidly cooled.
    Tempered at 200-550°C, air or furnace cooled.

GB BTMCr18Mn2W Mechanical Properties

Temperature

PROPERTY / VALUE
Rockwell Hardness (HR)
≥ 45
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  • -Cross References
  • 14Composition
  • 4Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 1Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers