CSN 42 2771 Cast steels

Material group: Ferrous Alloys / Cast steels

Country / Standard: Czech Republic / CSN

Data updates

Latest Update: 2015-02

Total number of updates: 1

Update History

This material has 58 properties — only a subset is shown here.

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CSN 42 2771 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.1500 – 0.2200

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

4.0000 – 6.0000

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.4000 – 0.7000

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

P+S

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CSN 42 2771: 1977 / Cr-Mo steel 42 2771 for castings

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CSN 42 2771 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

206.9 GPa

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Thermal Conductivity

val1 W/(m∙°C)

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Density

val1 kg/dm³

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This material has 58 properties — only a subset is shown here.

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CSN 42 2771 Heat Treatments

Normalized (.5) at 930 to 970°C, cool in air. Hardened at 930 to 970°C, cool in oil, water. Tempering at 680 to 750°C, cool in air; Annealing (.6) to lower tension at 740 to 760°C, cool in furnace.

CSN 42 2771 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Tensile Strength

550 — 750 MPa

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Brinell Hardness (HB)

160 — 230

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Elongation, A

≥ 20 %

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Impact Strength

val1 kJ/m²

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Yield Strength, Rp0.2

val1 MPa

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Reduction of Area

val1 %

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-Cross References

9Composition
18Mechanical Properties
28Physical Properties
1Heat Treatment
-Metallography
-Machinability

2Stress-Strain
-Formability
-Fatigue
-Fracture
-Creep

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
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