IS XT72W18Cr4V1 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: India / IS

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This material has 29 properties — only a subset is shown here.

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IS XT72W18Cr4V1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.6500 – 0.8000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
3.7500 – 4.5000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.2000 – 0.4000
UNIT
%
CAS NUMBER
7439-96-5
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

IS 5651: 1987 / Specification for Steels for Pneumatic Tools

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IS XT72W18Cr4V1 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 29 properties — only a subset is shown here.

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IS XT72W18Cr4V1 Heat Treatments

  • Annealed: 860°C, rate of cooled: 15°C/h. Preheted: 850°C; hardened: 1250-1290°C, 2-5 min, oil, air or salt cooled; tempered: 530-570°C. Forging teperature range: 950-1150°C.
  • Spheroidizing Annealing - Rate of heating: slow-uniform, Annealing: 840-840°C, Rate of cooling: 15°C/h; Hardening and Tempering - Rate of heating: slow up to preheat rapid after that, Preheat: 815-870°C, Hardening: 1240-1290°C, Soaking time at hardening temperature: 2 to 5min, Quenching medium: oil, air, salt bath at 500°C,Tempering: 640-680°C.

IS XT72W18Cr4V1 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 255
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Rockwell Hardness (HR)
52 — 57
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Vickers Hardness (HV)
≥ 772
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  • 3Cross References
  • 16Composition
  • 5Mechanical Properties
  • 3Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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