PROPRIETARY Micro-Melt M48 Alloy Tool steels

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

Data updates

Latest Update: 2022-02
Total number of updates: 1
Update History

This material has 19 properties — only a subset is shown here.

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PROPRIETARY Micro-Melt M48 Alloy Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.55
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
9.00
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
4.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
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

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Micro-Melt M48 Alloy Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 213.7 GPa
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Density
7.72 — 8.249 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 19 properties — only a subset is shown here.

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PROPRIETARY Micro-Melt M48 Alloy Heat Treatments

  • Annealing: heat uniformly to 871°C (1600°F), hold at temperature for two hours, cool slowly at 14°C (25°F) per hour maximum in the furnace to below 538°C (1000°F), and air cool to room temperature.
    Hardening: it is customary to use two furnaces to harden Micro-Melt M48 alloy. One furnace is used to preheat the workpiece to 816/843°C (1500/1550°F), and the second is used to rapidly heat the workpiece from the preheating temperature to the hardening temperature of 1149/1204°C (2100/2200°F). Typical soak times are 2-3 minutes at the high temperature.
    Quenching: quench in oil or a salt bath maintained at 538/593°C (1000/1100°F). The workpiece should be quenched in oil until it has reached approximately 538/593°C (1000/1100°F) (dull red color), removed from the oil and allowed to air cool to below 66°C (150°F), or until the work-piece can be touched comfortably with a bare hand. When a salt bath is used, the workpiece is quenched into the bath and held long enough to cool to the bath temperature. It is then removed from the bath and allowed to air cool to below 66°C (150°F), or until it can be touched comfortably with a bare hand.
    Straightening: any necessary straightening should be done from the quench at any temperature down to 427°C (800°F).
    Stress Relieving: heat slowly to 621/677°C (1150/1250°F), hold 1 to 2 hours, then cool in still air.
    Tempering: tempering should be performed immediately after quenching and cooling of the workpiece below 66°C (150°F), or as soon as it can be touched comfortably with a bare hand. Typical tempering is performed at 538°C (1000°F) for two hours at temperature followed by air cooling to room temperature. This cycle is repeated twice to obtain triple tempering.

PROPRIETARY Micro-Melt M48 Alloy International Equivalent Materials

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MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A 600 M48
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
M48
STANDARD
IRAM
COUNTRY / PRODUCER
Argentina
EQUIVALENCE CATEGORY
Implicit

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  • 3Cross References
  • 8Composition
  • -Mechanical Properties
  • 5Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 2Total Suppliers