PROPRIETARY P4 HTM Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2015-10
Total number of updates: 1
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This material has 23 properties — only a subset is shown here.

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PROPRIETARY P4 HTM Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.3500
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.2500
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
4.5000
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

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PROPRIETARY P4 HTM Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 230 GPa
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Thermal Conductivity
24 W/(m∙°C)
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Density
7.67 — 7.91 kg/dm³
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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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This material has 23 properties — only a subset is shown here.

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PROPRIETARY P4 HTM Heat Treatments

  • Normalised to 880°C, 5 - 9h, cooled in the oven, then cooled in air. Stress-relieve annealed at 650°C for 2h, slowly cooled to 500°C in the oven and then cooled in air. Quenching medium oil, air or gas. Liquid at 500 - 550°C. Heat treatment 1: Hardened at 1100°C. Tempered at 540°C. Heat treatment 2: Hardened at 1150°C. Tempered at 540°C. Heat treatment 3: Hardened at 1180°C. Tempered at 580°C. Heat treatment 4: Hardened at 1100°C. Tempered at 520°C. Heat treatment 5: Hardened at 1150°C. Tempered at 520°C. Heat treatment 6: Hardened at 1180°C. Tempered at 520°C.

PROPRIETARY P4 HTM Mechanical Properties

Temperature

PROPERTY / VALUE
Compression Strength
3969 — 4505 MPa
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Rockwell Hardness (HR)
61 — 63
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  • 3Cross References
  • 5Composition
  • 6Mechanical Properties
  • 7Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers