L 169 (United Kingdom / B.S.) Material Properties

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

Data updates

Latest Update: 2015-03
Total number of updates: 2
Update History:
2014-03

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 270 MPa view details
Elongation, A 2 % view details
Brinell Hardness (HB) 80 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 39.2 ksi view details
Elongation, A 2 % view details
Brinell Hardness (HB) 80 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
PROPERTY / VALUE
Modulus of Elasticity 69 — 79 GPa view details
Density 2.6 — 2.9 kg/dm³ view details
Poisson Coefficient 0.33 view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Modulus of Elasticity 10 E+03 — 11.5 E+03 ksi view details
Density 0.094 — 0.105 lb/in³ view details
Poisson Coefficient 0.33 view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Remainder
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Be
VALUE
≤ 0.07
UNIT
%
CAS NUMBER
7440-41-7
CRITERIA
Cu
VALUE
≤ 0.1
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mg
VALUE
val1
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UNIT
%
CAS NUMBER
7439-95-4
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
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
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

BS 2L 169: 2002 / Ingots (as cast) and castings (solution treated and artificially aged) of aluminium-silicon-magnesium alloy (Si 7, Mg 0.6)

Heat Treatments

  • Ingots shall be supplied as cast. The castings shall be heat treated as follows: Solution treat at temperature of 540 +/- 5°C for not less than 10h. Quench in water or in a polymer quenchant at a temperature not greater than 30°C. Artificially age at a temperature in the range 155°C to 165°C for not less than 2h. The temperature selected shall be maintained within a tolerance of +/- 5°C. Cool in the air. Where a polymer quenchant has been used, the nature of the quenchant shall be defined on the certificate of conformity for the castings.