MIL A-1 Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys
Country / Standard: United States / MIL

Data updates

Latest Update: 2022-12
Total number of updates: 3
Update History
2020-12 2014-08

This material has 4374 properties — only a subset is shown here.

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MIL A-1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
4.5000 – 5.7500
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.0800
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Fe
VALUE
≤ 0.5000
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
H
VALUE
val1
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UNIT
%
CAS NUMBER
1333-74-0
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
O
VALUE
val1
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UNIT
%
CAS NUMBER
7782-44-7; 17778-80-2
CRITERIA
Other each
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Sn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-31-5
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
Y
VALUE
val1
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UNIT
%
CAS NUMBER
7440-65-5

MIL-T-81556A: 1996 / Titanium and titanium alloys, extruded bars and shapes, aircraft quality

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MIL A-1 Physical Properties


Temperature

PROPERTY / VALUE
Compression Modulus
107 GPa
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Modulus of Elasticity
80 — 130 GPa
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Density
val1
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kg/dm³
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 4374 properties — only a subset is shown here.

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MIL A-1 Heat Treatments


  • Annealing at 649°C+/- 4°C for 2 hours minimum.

MIL A-1 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 793 MPa
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Elongation, A
≥ 6 %
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Yield Strength, Rp0.2
≥ 758 MPa
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MIL A-1 International Equivalent Materials


Showing 3 of 3 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
MIL
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Identical
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%

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

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  • 3Cross References

  • 22Composition
  • 18Mechanical Properties
  • 37Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 6Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

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

  • 4283Corrosion
  • 2Ageing
  • -Weatherability
  • -Irradiation

  • 2Total Suppliers