PROPRIETARY Uddeholm Holdax Tool steels

Material group: Ferrous Alloys / Tool steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2016-04

Total number of updates: 1

Update History

This material has 37 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Holdax Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.40

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

1.9

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

1.5

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

Uddeholms AB, Product Data Sheets,

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PROPRIETARY Uddeholm Holdax Physical Properties

Temperature

0 - 30°C 100 - 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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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 37 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Holdax Heat Treatments

Soft annealing: Protect the steel and heat through to 720°C (1330°F), holding time 2 hours. Cool in furnace at 28°C (50°F) per hour to 600°C (1110°F), then freely in air;
Stress tempering: After rough machining the tool should be heated through to 550°C (1020°F), holding time 2 hours, then cool freely in air;
Hardening: (The steel should be fully soft annealed before hardening.) Preheating temperature: 500-600°C (930-1110°F). Austenitizing temperature: 850°C (1560°F). The steel should be heated through to the austenitizing temperature and held at temperature for 30 minutes. Protect the tool against decarburization and oxidation during the hardening process;
Quenching media: Forced air/atmosphere (only for small tools), Oil, Martempering bath 450-550°C (840-1020°F) max. 4 minutes, then cool in forced air. In order to obtain the optimum properties, the cooling rate should be as fast as is concomitant with acceptable distortion. Temper the tool as soon as its temperature reaches 50-70°C (120-160°F).
Tempering: Choose the tempering temperature 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.
Nitriding and Nitrocarburizing: before Nitriding material should be rough machined, stress tempered at 550°C (1020°F) and fine machined. Gas nitriding: at 510°C (950°F) for 10 h and depth of case 0.20 mm, 30 h and depth of case 0.30 mm, 60 h and depth of case 0.40 mm. Ion nitriding at 480°C (895°F) for 10 h and depth of case 0.20 mm, 30 h and depth of case 0.25 mm, 60 h and depth of case 0.35 mm. Nitrocarburizing and 580°C (1060°F) in gas for 2.5 h and depth of case 0.25 mm or salt bath for 1 h and depth of case 0.15 mm

PROPRIETARY Uddeholm Holdax Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

800 — 1100 MPa

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Brinell Hardness (HB)

290 — 330

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Compression Yield Strength

val1 MPa

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Yield Strength, Rp0.2

750 — 950 MPa

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PROPRIETARY Uddeholm Holdax International Equivalent Materials

Showing 1 of 11 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

SB2312

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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11Cross References

6Composition
4Mechanical Properties
10Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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