PROPRIETARY Uddeholm Sverker 3 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2016-04

Total number of updates: 1

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This material has 27 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Sverker 3 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

2.05

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

12.7

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.8

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

Uddeholms AB, Product Data Sheets,

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PROPRIETARY Uddeholm Sverker 3 Physical Properties

Temperature

0 - 30°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 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 27 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Sverker 3 Heat Treatments

Soft annealing: Protect the steel and heat through to 850°C (1560°F). Then cool in the furnace at 11°C (20°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). Austenitizing temperature: 920-1000°C (1690-1830°F) normally 940-980°C (1725-1800°F). Protect the part against decarburization and oxidation during hardening.
Quenching media: Oil, Vacuum (high speed gas), Forced air/gas, Martempering bath or fluidized bed at 180-500°C (360-930°F), then cooling in air. (Temper the tool as soon as its temperature reaches 50-70°C (120-160°F).
Tempering: Choose the tempering temperature according to the hardness required by reference to the tempering graph. Temper twice with intermediate cooling to room temperature. Lowest tempering temperature 180°C (360°F). Holding time at temperature minimum 2 hours.
Nitriding: in ammonia gas at 525°C (975°F) for 20 h and depth of case approx. 0.20 mm or 30 h and depth of case approx. 0.25 mm or 60 h and depth of case approx. 0.30 mm.
Nitrocarburizing: at 570°C (1060°F) and depth of case 0.10 - 0.20 mm.
Sub-zero treatment: Immediately after quenching the piece should be sub-zero treated to between -70 and -80°C (-95 to -110°F), soaking time 3-4 hours followed by tempering. Sub-zero treatment will give a hardness increase of 1-3 HRC. Avoid intricate shapes as there will be risk of cracking.
Aging occurs at 110–140°C during 25–100h.

PROPRIETARY Uddeholm Sverker 3 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Brinell Hardness (HB)

240

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-Cross References

5Composition
1Mechanical Properties
15Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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