B.S. TA28 Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys
Country / Standard: United Kingdom / B.S.

Data updates

Latest Update: 2022-07
Total number of updates: 4
Update History
2022-04 2021-05 2017-04

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B.S. TA28 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
5.5 – 6.75
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Fe
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
H
VALUE
≤ 0.0080
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

BS 2TA 28: 1974 / Specification for forging stock and wire of titanium-aluminium-vanadium alloy (tensile strength 1100-1300 MPa) (limiting ruling section 20 mm) (primarily intended for the manufacture of fasteners complying with the requirements of the 'A' series of British Standards)

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B.S. TA28 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
80 — 130 GPa
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Density
4.3 — 5.1 kg/dm³
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Poisson Coefficient
0.31
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This material has 4355 properties — only a subset is shown here.

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B.S. TA28 Heat Treatments


  • Annealed + either descaled or descaled centreless ground: 700°C <= θ <= 800°C / t => 1h / AC or FC (Selected temperature shall be held at ±10°C);
    Solution treated + precipitation treated: 870°C <= θ <= 950°C / WQ (Selected temperature shall be held at +10°C, for not less than 10 min for sizes up to and including 10 mm and for sizes over 10 mm held at the selected temperature +10°C for not less than 30 min; Attention is drawn to the fact that exceeding 960°C might lead to overheating) + 460°C <= θ <= 550°C / >= 2h / AC.
  • Heat uniformly at a temperature between 870°C and 950°C and hold at the selected temperature + 10°C for not less than 10 min for sizes up to and including 10 mm and for sizes over 10 mm hold at the selected temperature + 10°C for not less than 30 min. Attention is drawn to the fact that exceeding 960°C may lead to overheating. Quench in water. Heat uniformly at a temperature between 460 °C and 550 °C and hold at the selected temperature for not less than 2 h. Cool in air.

B.S. TA28 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
1100 — 1300 MPa
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Elongation, A
≥ 8 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 970 MPa
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B.S. TA28 International Equivalent Materials


Showing 9 of 27 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
WL
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit

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

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  • 27Cross References

  • 18Composition
  • 8Mechanical Properties
  • 9Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability

  • 2Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

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

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

  • 6Total Suppliers