PROPRIETARY Speed Star High Speed Steel Tool steels

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

Data updates

Latest Update: 2019-07
Total number of updates: 1
Update History

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PROPRIETARY Speed Star High Speed Steel Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.8200
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 4.2500
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
Balance
UNIT
%
CAS NUMBER
7439-89-6
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
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

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Speed Star High Speed Steel Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8.138 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 80 properties — only a subset is shown here.

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PROPRIETARY Speed Star High Speed Steel Heat Treatments


  • Normalizing is not recommended; Annealing: Packed in a suitable container, using a neutral packing compound, or placed in a controlled atmosphere furnace. Heat to 843/871°C and cool very slowly in the furnace at a rate of not more than 11°C per hour until the furnace is black and then cool naturally. This will produce a max. hardness of Brinell 248; Hardening: Preheat to 760/816°C, then transfer to a superheating furnace with a temperature at 1177/1232°C. When neutral salt baths are used for hardening, the temperature should be dropped 14°C. Quench in oil below 93°C before tempering (cool enough to hold in your hand). Small sizes under 25.4mm in diameter, or delicate sections may be hardened by cooling in still air or quench in molten salt at temperatures of 538/593°C, equalizing for 5 minutes per 25.4mm followed by air cooling; Stress relieving: Heat to a temperature of 649/677°C, hold for a min. of one hour at temperature and cool slowly; Tempering: After quenching, tempered to a range of 552/566°C. To secure max. toughness and Rockwell hardness of about C 62 first harden at 1093/1150°C and temper in the range of 371/482°C and two hour temper at 566/593°C.

PROPRIETARY Speed Star High Speed Steel Mechanical Properties


Temperature

PROPERTY / VALUE
Rockwell Hardness (HR)
56.7 — 66.3
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PROPRIETARY Speed Star High Speed Steel International Equivalent Materials


Showing 15 of 19 results.

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STANDARD
UNS
COUNTRY / PRODUCER
United States
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Official
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STANDARD
PROPRIETARY
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Implicit
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AISI
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United States
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Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
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Implicit
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PROPRIETARY
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Implicit
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United States
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Argentina
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International
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PROPRIETARY
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PROPRIETARY
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Implicit

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

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  • 19Cross References

  • 8Composition
  • 24Mechanical Properties
  • 12Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • 16Total Suppliers