PROPRIETARY K346 Tool steels
Material group:
Ferrous Alloys / Tool steels
Country / Standard:
PROPRIETARY
Data updates
Latest Update: 2022-09
Total number of updates: 1
Update History
This material has 32 properties — only a subset is shown here.
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PROPRIETARY K346 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.13
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
7.80
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.35
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
Voestalpine Böhler Edelstahl GmbH & Co KG, Product Data Sheets,
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PROPRIETARY K346 Physical Properties
Temperature
Modulus of Elasticity
190 — 220
GPa
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Electrical Resistivity
0.6
Ω∙mm²/m
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Density
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Electrical Conductivity
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Heat Capacity
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Thermal Conductivity
22
W/(m∙°C)
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Poisson Coefficient
val1
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PROPRIETARY K346 Heat Treatments
- Annealing: 840-870°C (1544-1598°F); Slow controlled cooling in furnace at a rate of 10 to 20°C/hr (50 to 68°F/hr) down to approx. 600°C (1112°F), further cooling in air
Stress relieving: aprox. 650°C (1202°F); after through-heating, soak for 1 to 2 hours in neutral atmosphere, then slow cooling in furnace; this is used to relieve stresses caused by extensive machining or for complex geometries
Hardening and tempering: 1050-1090°C (1922-1994°F); after through-heating, soak for 15 to 20 minutes; quenching in air, oil or vacuum; after hardening, tempering to the desired working hardness, see tempering chart.
PROPRIETARY K346 Mechanical Properties
Temperature
Brinell Hardness (HB)
≤ 250
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Rockwell Hardness (HR)
43.37 — 63.54
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- 1Cross References
- 6Composition
- 7Mechanical Properties
- 16Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 1Total Suppliers