PROPRIETARY CPM S90V Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2015-08
Total number of updates: 1
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PROPRIETARY CPM S90V Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.3000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
14.0000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
1.0000
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Crucible Industries LLC., Product Data Sheets,

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PROPRIETARY CPM S90V Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.4 — 8 kg/dm³
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Poisson Coefficient
val1
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This material has 18 properties — only a subset is shown here.

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PROPRIETARY CPM S90V Heat Treatments

  • Annealed: Heat to 900°C, hold 2 hours, slow cool at a maximum rate of 15°C per hour to 595C°, then furnace cool or cool in still air to room temperature. Stress relieved: Annealed Parts: Heat to 595-705°C, hold 2 hours, then furnace cool or cool in still air. Hardened Parts: Heat to 15-30°C below original tempered temperature, hold 2 hours, then furnace cool or cool in still air. Hardened: Austenitize: 1150-1175°C, hold time at temperature: 20 minutes. Quench: Salt quench, interrupted oil quench, positive pressure gas quench or air cool at a minimum cooling rate of 80°C/min to below 540°C. Cool to below 50°C before tempered. For optimum vacuum heat treatment response, a minimum 4 bar gas quench is recommended. Temper: Double temper at 200-400°C. Hold for a minimum of 2 hours each temper. For optimum stress relieved and dimensional stability, S90V may be double tempered at 540-550°C, but temper above 425°C may result in some loss of corrosion resistance. A freezing treatment may be employed between the first and second tempers, if desired. Freezing treatments should always be followed by at least one temper.

PROPRIETARY CPM S90V Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
277
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Rockwell Hardness (HR)
56 — 59
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Impact Energy
≥ 26 J
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  • 1Cross References
  • 4Composition
  • 3Mechanical Properties
  • 8Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers