DIN 1.3342 Tool steels

Material group: Ferrous Alloys / Tool steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2023-10

Total number of updates: 5

Update History

2022-09 2021-03 2019-05 2018-09

This material has 415 properties — only a subset is shown here.

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DIN 1.3342 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.86 – 0.94

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

3.8 – 4.5

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

≤ 0.40

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

EN ISO 4957: 2018 / Tool steels

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DIN 1.3342 Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 217 GPa

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Shear Modulus

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

19 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.54 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 415 properties — only a subset is shown here.

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DIN 1.3342 Heat Treatments

Soft annealing: Heated slowly at 770-840°C (the upper limit of this temperature range applies to higher alloyed, and the lower limit for lower alloyed high speed steels), held for 2 to 4 hours, slowly cooled in the furnace to 500-600°C, removed from the furnace and placed in a protected place.

Hardening: Heated at 1180-1220°C. The temperature of the hot bath should be 500-550°C and must not exceed 580°C during extended use.
When cooling in oil, at about 40-70°C, the samples should be moved slowly and evenly and should not be left in oil until completely cooled, but when they reach 300-200°C.

Tempering: Heated slowly at 530-560°C, held for 1 to 3 hours, depending on the size of the samples. The tempering takes place in a neutral salt bath or in an air circulation furnace.
Austenitized at 1210 ± 10°C and quenched. Usual quenching media in practice are air, gas or salt bath. Total heating time of test pieces in a salt bath is 3 min. for hardening and minimum 2 periods of 60 min. each for tempering.
Tempered at 560 ± 10°C.

DIN 1.3342 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Brinell Hardness (HB)

240 — 300

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Rockwell Hardness (HR)

48 — 67

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179 Cross References

23 Composition
18 Mechanical Properties
19 Physical Properties
12 Heat Treatment
- Metallography
- Machinability

- Stress-Strain
- Formability
- Fatigue
- Fracture
- Creep

- Joints
- Coatings
14 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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