GOST 38HN3MFA Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: Russia / GOST

Data updates

Latest Update: 2024-02

Total number of updates: 13

Update History

2024-01 2019-01 2017-11 2016-11 2016-09 2015-11 2015-09 2015-08 2015-04 2015-03 2014-07 2013-12

This material has 699 properties — only a subset is shown here.

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GOST 38HN3MFA Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

By agreement between the manufacturer and customer: 0.020 < Al < 0.050%

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.33 – 0.40

UNIT

CAS NUMBER

7440-44-0

CRITERIA

CEV

VALUE

CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni +Cu)/15

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

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

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

GOST 4543: 2016 / Structural alloy steel products. Specifications

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GOST 38HN3MFA Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Electrical Resistivity

val1 Ω∙mm²/m

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Density

val1 kg/dm³

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Electrical Conductivity

val1 S/m

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Shear Modulus

val1 GPa

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Poisson Coefficient

val1

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This material has 699 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

GOST 38HN3MFA Heat Treatments

Normalized: 850°C, oil quenched;
Tempered: 600°C; air cooled.
Normalization could be (as requested): ± 15°C and tempering could be (as requested): ± 50°C.

GOST 38HN3MFA Mechanical Properties

Temperature

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

PROPERTY / VALUE

Tensile Strength

≥ 657 MPa

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Brinell Hardness (HB)

val1

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Elongation, A

val1 %

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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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2Cross References

12Composition
443Mechanical Properties
92Physical Properties
1Heat Treatment
-Metallography
-Machinability

144Stress-Strain
-Formability
1Fatigue
-Fracture
-Creep

-Joints
-Coatings
1Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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