CSN 14 231 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: Czech Republic / CSN

Indicative price:

Data updates

Latest Update: 2016-10

Total number of updates: 1

Update History

This material has 22 properties — only a subset is shown here.

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CSN 14 231 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.2300 – 0.2900

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

1.0000 – 1.3000

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.8000 – 1.1000

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

CSN 41 4231: 1976 / Chromium-Manganese-Titanium steel 14 231

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CSN 14 231 Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

0.27 — 0.3

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This material has 22 properties — only a subset is shown here.

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CSN 14 231 Heat Treatments

Values for rods 15 mm applies to hardening from a temperature of 860°C in oil and tempering to 200°C in oil.
Forging at 1200 to 800°C or 1250 to 800°C and cooling in air.
Normalizing at 880 to 920°C and cooling in air.
Soft annealing at 680 to 720°C and cooling in furnace.
Case-hardening in gas at 900 to 930°C cooling in air in powder at 860 to 900 and cooling or in air in salt bath at 890 to 910°C, cooling in air.
After getting cold hardening of carburizing temperature on 800 to 840°C, cooling in oil or in a hot bath of 150 to 200°C.
Hardening at 820 to 850°C, cooling in oil or in a hot bath of 150 to 200°C.
Nitrocarburization at 800 to 860°C, cooling in oil or in a hot bath of 150 to 200°C.
Tempering at 150 to 200°C, cooling in air.

CSN 14 231 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

≥ 1128 MPa

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Brinell Hardness (HB)

≥ 211

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Elongation, A

≥ 9 %

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Impact Strength

val1 kJ/m²

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

val1 MPa

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Reduction of Area

val1 %

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Vickers Hardness (HV)

val1

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-Cross References

7Composition
10Mechanical Properties
3Physical Properties
2Heat Treatment
-Metallography
-Machinability

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

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