PROPRIETARY YSS HPM77 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: PROPRIETARY

Data updates

Latest Update: 2025-03
Total number of updates: 2
Update History
2024-05

This material has 24 properties — only a subset is shown here.

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PROPRIETARY YSS HPM77 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
val1
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UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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

Proterial, Ltd. (former Hitachi Metals, Ltd.), Product Data Sheets / Available at: www.proterial.com, visited 2025

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PROPRIETARY YSS HPM77 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
22.3 W/(m∙°C)
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This material has 24 properties — only a subset is shown here.

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PROPRIETARY YSS HPM77 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
845 MPa
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Tensile Strength
990 MPa
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Elongation, A
16 %
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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  • - Cross References

  • 6 Composition
  • 5 Mechanical Properties
  • 12 Physical Properties
  • - Heat Treatment
  • - Metallography
  • - Machinability

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

  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology

  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation

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