PROPRIETARY No. 484 Tool Steel Tool steels

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

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Latest Update: 2025-06
Total number of updates: 1
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This material has 37 properties — only a subset is shown here.

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PROPRIETARY No. 484 Tool Steel Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.00
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
5.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
Balance
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY No. 484 Tool Steel Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 37 properties — only a subset is shown here.

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PROPRIETARY No. 484 Tool Steel Heat Treatments

  • Annealing: Heat uniformly to 843 - 871°C (1550 - 1600°F) and cool very slowly in the furnace at a rate of not more than 11°C (20°F) per hour until the furnace is black. The furnace may then be turned off an allowed to cool naturally.
    Hardening: placing in a furnace maintained at a temperature of 940 - 969°C (1725 - 1775°F). Let the tools heat naturally to the furnace temperature, soak for 20 minutes plus 5 minutes per 25.4 mm of thickness and air quench.
    Stress Relieving: first rough machine, then heat to a temperature of 649 - 677°C (1200 - 1250°F) for a minimum of one hour at temperature and cool slowly. After cooling, parts may be finish machined.
    Tempering: the best combination of hardness and toughness is obtained by tempering at 204°C (400°F). For greater ductility with some sacrifice in hardness, temper at 371°C (700°F).

PROPRIETARY No. 484 Tool Steel Mechanical Properties

Temperature

PROPERTY / VALUE
Rockwell Hardness (HR)
44 — 64
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  • 2Cross References
  • 7Composition
  • 13Mechanical Properties
  • 13Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers