PROPRIETARY Uddeholm Arne Tool steels

Material group: Ferrous Alloys / Tool steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2023-01

Total number of updates: 2

Update History

2016-04

This material has 40 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Arne Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.95

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.6

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

1.1

UNIT

CAS NUMBER

7439-96-5

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

Uddeholms AB, Product Data Sheets,

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PROPRIETARY Uddeholm Arne Physical Properties

Temperature

0 - 30°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Thermal Conductivity

val1 W/(m∙°C)

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Density

val1 kg/dm³

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Heat Capacity

val1 J/(kg∙°C)

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Poisson Coefficient

val1

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This material has 40 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

PROPRIETARY Uddeholm Arne Heat Treatments

Soft annealing: Protect the steel and heat through to 780°C (1435°F). Then cool in the furnace at 15°C (27°F) per hour to 650°C (1200°F), then freely in air;
Stress-relieving: After rough machining the tool should be heated through to 650°C (1200°F), holding time 2 hours. Cool slowly to 500°C (930°F) then freely in air;
Hardening:
- Preheating temperature: 600-700°C (1110-1290°F),
- Quenching media: Oil, Martempering bath. Temperature 180-225°C (360-435°F), then cooling in air (Temper the tool as soon as its temperature reaches 50-70°C (120-160°F).);
Tempering: temperature should be chosen according to the hardness. Temper twice with intermediate cooling to room temperature. Lowest tempering temperature 180°C (360°F). Holding time at temperature minimum 2 hours.
Martempering: after holding in martempering bath for indicated time, cool in air to not lower that 100°C (210°F) and temper immediately as with oil quenching.
Sub-zero treatment and aging: Pieces requiring maximum dimensional stability should be sub-zero treated and/or artificially aged.
Sub-zero treatment: immediately after quenching between -70 to -80°C (-95 to -110°), soaking time 3-4 hours, followed by tempering or aging. The treatment will increase hardness by 1–3 HRC.
Aging: Tempering after quenching is replaced by ageing at 110 -140°C (230 - 285°F). Holding time 25 - 100 hours.

PROPRIETARY Uddeholm Arne Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Brinell Hardness (HB)

190

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Rockwell Hardness (HR)

60 — 66

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4Cross References

6Composition
8Mechanical Properties
15Physical Properties
2Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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