PROPRIETARY YSS HAP40 Tool steels

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

Data updates

Latest Update: 2025-03
Total number of updates: 2
Update History
2015-02

This material has 121 properties — only a subset is shown here.

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PROPRIETARY YSS HAP40 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.27 – 1.37
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
7.50 – 8.50
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
3.70 – 4.70
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Proterial, Ltd. (former Hitachi Metals, Ltd.), Product Data Sheets,

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PROPRIETARY YSS HAP40 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 227 GPa
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Thermal Conductivity
19.3 W/(m∙°C)
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
val1
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This material has 121 properties — only a subset is shown here.

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PROPRIETARY YSS HAP40 Heat Treatments


  • Annealing at 820 - 880°C, slow cooling.
    Quenched and tempered (1): Quenching at 1180 - 1210°C, oil (salt bath)
    Quenched and tempered (2): Quenching at 1120 - 1190°C, oil (salt bath).
    Tempering at 560 - 580°C, air cooling.

PROPRIETARY YSS HAP40 Mechanical Properties


Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 277
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Rockwell Hardness (HR)
56.8 — 68.5
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PROPRIETARY YSS HAP40 International Equivalent Materials


Showing 10 of 51 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Implicit
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
IS
COUNTRY / PRODUCER
India
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
KS
COUNTRY / PRODUCER
Korea
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 51Cross References

  • 6Composition
  • 48Mechanical Properties
  • 6Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • 8Total Suppliers