PROPRIETARY 2343 - H11 Tool steels
Material group:
Ferrous Alloys / Tool steels
Country / Standard:
PROPRIETARY
Data updates
Latest Update: 2022-06
Total number of updates: 1
Update History
This material has 190 properties — only a subset is shown here.
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PROPRIETARY 2343 - H11 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.39
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
5.10
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
1.25
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
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PROPRIETARY 2343 - H11 Physical Properties
Temperature
Modulus of Elasticity
190 — 210
GPa
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Thermal Conductivity
25
W/(m∙°C)
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Density
7.72 — 8
kg/dm³
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Heat Capacity
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Poisson Coefficient
val1
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PROPRIETARY 2343 - H11 Heat Treatments
- Soft annealing: heat at 850°C (1560°F), cool down at 10°C (20°F) per hour until 650°C (1200°F), than air cool.
Stress relieving: after rough machining, stress in the tool can be released by heating at 650°C during 2 hours followed by air cooling.
Preheating (before austenitizing): heating rate should be limited to 220°C/h (400°F/h), measured in the core of cavity. First preheating has to be done at Ts = 620°C (1150°F) and hold until Ts-Tc < 110°C (200°F) Second preheating has to be done at Ts = 830°(1530°F) and hold until Ts-Tc < 15°C (25°F).
Austenitizing: after second preheating, austenitizing should be rapidly increased up to 1010°C (1850°F) and hold 30 mn after Ts-Tc < 15°C (25°F). In any case, soaking time shall never exceed 90 min after Ts reaches 1030°C (1885°F).
Quenching: shall be performed in oil or pressurized gas. Pressurized gas should be preferred when quenching complex shapes. Fast cooling has to be applied from austenitizing temperature down to 150°C (300°F). Cooling rate, measured at the surface of the cavity, must be at least 30°C/min (55°F/min) between austenitizing temperature and 530°C (990°F). To limit stresses, a special attention shall be paid at the temperature difference between surface and core. Especially in the temperature range 400/450°C (750/840°F), the temperature difference between surface and core shall not exceed 100°C (180°F). Below 150°C (300°F), cavity should be air cooled to 50/80°C and should then be immediately loaded in a furnace to perform a first tempering. Martempering bath is possible at 500-550°C to limit distortions.
Tempering: minimum of 2 tempering should be performed immediately after quenching. The tempering temperature should be held 2 hours minimum or 30mn per 25 mm of thickness (30min/inch). Avoid the brittle range of 430°C-550°C. Temper above 200°C. After tempering, pieces should be air cooled to room temperature.
PROPRIETARY 2343 - H11 Mechanical Properties
Temperature
Brinell Hardness (HB)
≤ 230
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Grain Size
val1
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PROPRIETARY 2343 - H11 International Equivalent Materials
Showing 15 of 87 results.
MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
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- 87Cross References
- 6Composition
- 2Mechanical Properties
- 9Physical Properties
- 3Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 83Total Suppliers