PROPRIETARY Micro-Melt T15 Alloy Tool steels

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

Data updates

Latest Update: 2022-01
Total number of updates: 1
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This material has 19 properties — only a subset is shown here.

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PROPRIETARY Micro-Melt T15 Alloy Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.60
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
5.00
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
4.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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
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 T15 Alloy Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8.166 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 T15 Alloy Heat Treatments

  • Annealing: Heat slowly to 871/899°C (1600/1650°F), hold until the entire mass is heated through, and cool slowly (do not exceed 11°C [20°F] per hour) in the furnace to about 538°C (1000°F), after which the cooling rate may be increased.
    Hardening: preheat to 816/871°C (1500/1600°F), equalize, and transfer to a furnace maintained at the desired hardening temperature. Austenitize at 1093/1232°C (2000/2250°F) for 5 to 45 minutes, depending on the austenitizing time to be used. Quench in oil and be sure that tools are cooled below 93°C (200°F) before tempering. Small sizes under about 25.4mm (1”) in diameter, or delicate sections, may be hardened by cooling in still air. It is also acceptable to quench in molten salt at temperatures of 538/593°C (1000/1100°F), equalizing for 5 minutes per inch, followed by air cooling.
    Stress Relieving: heat slowly to 621/677°C (1150/1250°F), allow to equalize, then cool in still air.
    Tempering: tempering temperature is usually in the range of 510/621°C (950/1150°F).

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