PROPRIETARY Uddeholm Orvar 2 Microdized Tool steels

Material group: Ferrous Alloys / Tool steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2020-08

Total number of updates: 2

Update History

2016-05

This material has 75 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Orvar 2 Microdized Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.39

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

5.2

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.4

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

Uddeholms AB, Product Data Sheets,

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PROPRIETARY Uddeholm Orvar 2 Microdized Physical Properties

Temperature

0 - 30°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Density

val1 kg/dm³

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Thermal Conductivity

25 W/(m∙°C)

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Poisson Coefficient

val1

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This material has 75 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Orvar 2 Microdized Heat Treatments

Soft annealing: Protect the steel and heat through to 850°C (1562°F). Then cool in the furnace at 10°C (18°F) per hour to 650°C (1202°F), then freely in air;
Stress relieving: After rough machining the tool should be heated through to 650°C (1202°F), holding time 2 hours. Cool slowly to 500°C (932°F), then freely in air;
Hardening: Pre-heating temperature: 600-850°C (1112-1562°F), normally in two pre-heating steps. Austenitizing temperature: 1020-1050°C (1868-1922°F), normally 1020-1030°C (1868-1886°F);
Quenching media: High speed gas/circulating atmosphere, Vacuum (high speed gas with sufficient positive pressure). An interrupted quench is recommended where distortion control and quench cracking are a concern, Martempering bath or fluidized bed at 450-550°C (842-1022°F), then cool in air, Martempering bath or fluidized bed at 180-220°C (356-428°F) then cool in air, Warm oil;
Tempering: Choose the tempering temperature according to the hardness required by reference to the tempering graph. Temper minimum twice with intermediate cooling to room temperature. Lowest tempering temperature 250°C (482°F). Holding time at temperature minimum 2 h.
Nitriding and Nitrocarburizing:
Gas nitriding at 510°C for 10 h and 0.12 mm depth or 30 h for 0.20 mm depth.
Plasma nitriding at 480°C for 10 h and 0.12 mm depth or 30 h for 0.18 mm depth.
Nitrocarburizing in gas at 580°C for 2.5 h and 0.11 mm depth or in salt bath at 580°C for 1 h and 0.06 mm depth.
Austenitizing temperature 1020°C (1870°F). Holding time 30 min

PROPRIETARY Uddeholm Orvar 2 Microdized Mechanical Properties

Temperature

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

PROPERTY / VALUE

Tensile Strength

1420 — 1820 MPa

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Brinell Hardness (HB)

val1

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Yield Strength, Rp0.2

val1 MPa

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Rockwell Hardness (HR)

val1

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PROPRIETARY Uddeholm Orvar 2 Microdized International Equivalent Materials

Showing 2 of 19 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

Uddeholm Bure

STANDARD

PROPRIETARY

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

Böhler Uddeholm H13

STANDARD

PROPRIETARY

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

Composition 100%

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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19Cross References

6Composition
26Mechanical Properties
14Physical Properties
2Heat Treatment
-Metallography
-Machinability

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

2Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

6Total Suppliers