PROPRIETARY CPM Rex 86 (HS) Tool steels

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

Data updates

Latest Update: 2015-08
Total number of updates: 1
Update History

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PROPRIETARY CPM Rex 86 (HS) Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.0000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
9.0000
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
4.0000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

Crucible Industries LLC., Product Data Sheets,

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PROPRIETARY CPM Rex 86 (HS) Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 14 properties — only a subset is shown here.

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PROPRIETARY CPM Rex 86 (HS) Heat Treatments

  • Forged: 1095-1150°C. Do not forge below 925°C. Slow cool after forged. Annealed: Heat to 870°C, hold 2 hours, slow cool no faster than 15°C per hour to 540°C, then furnace cool or cool in still air to room temperature. Stress relieved: Annealed parts: Heat to 595-705°C, hold 2 hours, furnace or still air cool to room temperature. Hardened parts: Heat to 15°C below original tempered temperature or 540°C minimum, hold 2 hours, furnace or still air cool to room temperature. Hardened: Pre-heat: Heat to 815-845°C, equalize. An additional pre-heat at 1010-1040°C may be desirable to minimize time at final austenitized temperature. Austenitize: Heat to 1120-1190°C. Quench: Interrupted salt quench, oil quench, rapid gas quench, or air cool to below 595°C, equalize, then air cool to hand warm (<50°C). Temper: Triple tempering at 550-560°C recommended for optimum tempered and/or stress-relieved(2 hours each). Cool to room temperature between tempers. Cryogenic cooled between the first and second tempers optional. Straightened: Best done warm at 205°C minimum.

PROPRIETARY CPM Rex 86 (HS) Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
285 — 311
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  • -Cross References
  • 7Composition
  • 1Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers