PROPRIETARY BÖHLER M789 AMPO Tool steels

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

Data updates

Latest Update: 2025-01
Total number of updates: 2
Update History
2019-10

This material has 15 properties — only a subset is shown here.

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PROPRIETARY BÖHLER M789 AMPO Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.6
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.02
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
12.2
UNIT
%
CAS NUMBER
7440-47-3
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

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PROPRIETARY BÖHLER M789 AMPO Physical Properties

Temperature

PROPERTY / VALUE
Bulk Density
≥ 3.5 kg/dm³
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This material has 15 properties — only a subset is shown here.

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PROPRIETARY BÖHLER M789 AMPO Heat Treatments

  • Solution Annealing: 1000°C / 1h soaking time / air cooling to room temperature
    Ageing: 500°C / 3h soaking time / air cooling

PROPRIETARY BÖHLER M789 AMPO Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1800 — 1900 MPa
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Elongation, A
4 — 8 %
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Impact Energy
val1
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J
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
1670 — 1770 MPa
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  • 1Cross References
  • 6Composition
  • 5Mechanical Properties
  • 1Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers