GOST 34HN3M Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: Russia / GOST
Indicative price:

Data updates

Latest Update: 2019-01
Total number of updates: 5
Update History
2017-11 2015-11 2015-09 2015-08

This material has 131 properties — only a subset is shown here.

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GOST 34HN3M Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.33 – 0.35
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.7 – 1.1
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.5 – 0.8
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

GOST 8479: 1970 / Structural carbon and alloyed steel forgings. General specification

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GOST 34HN3M Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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This material has 131 properties — only a subset is shown here.

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GOST 34HN3M Heat Treatments

  • Normalized: 850°C, water or oil quenched;
    Tempered: 590°C; air cooled.
    Normalization could be (as requested): ± 15°C and tempering could be (as requested): ± 50°C.
  • Quenched: 850-870°C, oil cooled; tempered: 690°C, 5h; quenched: 850-870°C, oil cooled; tempered: 630-650°C, 1,5-2h, air cooled.

GOST 34HN3M Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 785 MPa
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Brinell Hardness (HB)
248 — 321
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Elongation, A
≥ 10 %
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Impact Strength
val1
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kJ/m²
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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  • 4Cross References
  • 19Composition
  • 71Mechanical Properties
  • 17Physical Properties
  • 5Heat Treatment
  • -Metallography
  • -Machinability
  • 12Stress-Strain
  • -Formability
  • 2Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 1Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers