PN SK 8 M Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: Poland / PN

Data updates

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This material has 19 properties — only a subset is shown here.

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PN SK 8 M Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.0500 – 1.2000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
7.5000 – 8.5000
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
3.5000 – 4.5000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
val1
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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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

PN-H-85022: 1986 / High-speed steel - Grades

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PN SK 8 M Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 19 properties — only a subset is shown here.

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PN SK 8 M Heat Treatments

  • Forging or Rolling 1100-900°C; Annealing 800-840°C; Isothermal Annealing 850-900°C; Hardening 1170-1210°C; Tempering 550-570°C; Nitriding 510-530°C.

PN SK 8 M Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
241 — 302
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Rockwell Hardness (HR)
≥ 66
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  • -Cross References
  • 11Composition
  • 2Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers