PROPRIETARY Micro-Melt A11 Tool Steel Tool steels

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

Data updates

Latest Update: 2022-02
Total number of updates: 1
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This material has 29 properties — only a subset is shown here.

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PROPRIETARY Micro-Melt A11 Tool Steel Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.45
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
5.30
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
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Micro-Melt A11 Tool Steel Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.391 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 29 properties — only a subset is shown here.

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PROPRIETARY Micro-Melt A11 Tool Steel Heat Treatments

  • Annealing: heat slowly to 871/899°C (1600/1650°F), hold for 2 hours, cool slowly at a rate of 11/22°C (20/40°F) per hour to 538°C (1000°F), then air cool. Typical annealed hardness will be 255 to 277 Brinell. Hardening: preheat to 816/843°C (1500/1550°F), equalize, and transfer to a furnace maintained at the desired hardening temperature. Austenitize at 1010/1177°C (1850/2150°F) for 5 - 60 minutes, depending on the austenitizing temperature used. For best toughness combined with good wear resistance, austenitize at 1066°C (1950°F) for 30-60 minutes, then air cool to room temperature. Temper immediately to HRC 58/61. For balanced toughness and wear resistance, austenitize at 1121°C (2050°F) for 20 to 40 minutes, fan air cool, oil quench, or salt quench to 538°C (1000°F) followed by an air cool to room temperature. Temper immediately to HRC 60/62. For the maximum wear resistance at some sacrifice in toughness, austenitize at 1177°C (2150°F) for 5 to 10 minutes, oil quench. Temper immediately to HRC 63/65.
    Stress Relieving: first, rough machine, then heat to a temperature of 621/677°C (1150/1250°F), equalize, and cool slowly in still air.
    Tempering: tempering is usually performed in the temperature range of 538/593°C (1000/1100°F).

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  • 6Cross References
  • 8Composition
  • -Mechanical Properties
  • 11Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • 2Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers