PROPRIETARY ATI 9 Structural and constructional steels
Material group:
Ferrous Alloys / Structural and constructional steels
Country / Standard:
PROPRIETARY
Data updates
Latest Update: 2021-11
Total number of updates: 3
Update History
2021-10
2016-12
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PROPRIETARY ATI 9 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.40
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.40
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
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
Allegheny Technologies Incorporated, Product Data Sheets,
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PROPRIETARY ATI 9 Physical Properties
Temperature
Modulus of Elasticity
190 — 210
GPa
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Density
7.67 — 7.916
kg/dm³
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Poisson Coefficient
val1
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This material has 25 properties — only a subset is shown here.
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PROPRIETARY ATI 9 Heat Treatments
- Can be hot worked by heating to a temperature in the 1121 to 1204°C (2050 to 2200°F) range and finished in the 704 to 982°C (1300 to 1800°F) range to achieve the desired strength.
PROPRIETARY ATI 9 Mechanical Properties
Temperature
Tensile Strength
792.9 — 896.3
MPa
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Brinell Hardness (HB)
197 — 234
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Elongation, A
40 — 60
%
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Impact Energy
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Reduction of Area
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Yield Strength, Rp0.2
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- -Cross References
- 9Composition
- 7Mechanical Properties
- 6Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- 1Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 1Total Suppliers