Solar Tool Steel (PROPRIETARY) Material Properties

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

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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Rockwell Hardness (HR) 23 — 63 view details
Rockwell Hardness (HR) 23 — 63 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.72 — 8 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Modulus of Elasticity 190 — 210 GPa view details
Density 7.72 — 8 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.5000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Fe
VALUE
Balance
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
≤ 0.4000
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

Carpenter Technology Corporation, Product Data Sheets / Available at: www.cartech.com, visited 2005

Heat Treatments

  • Normalizing: Heating to 899°C and cooling in air. Annealing: Heat to 746/774°C and cool very slowly in the furnace at a rate of no more than 11°C per hour until the furnace is black, then cool naturally. This will produce a max. hardness of Brinell 202; Hardening: Heat the salt bath or furnace to 843°C. Without preheating, place the tool right in the hot furnace near the thermocouple and let it heat naturally until it uniformly matches the color of the thermocouple. Soak five minutes per inch of thickness, then quench in brine. All water hardening steels should be quenched in 5% to 10% brine and may be quenched right down to bath temperatures. Small tools under about 12.7mm in diameter can be heated to 871°C in controlled atmosphere furnaces or neutral salt baths and quenched in oil; Stress relieving: Anneal below the 649/677°C and cool slowly. Tempering: At 149°C to produce a hardness of Rockwell C 59/60. Shanks of pneumatic chisels should be tempered at 482°C. After oil quenching from 871°C, tempering at 135/149°C should be used.