B 888 C17450 (United States / ASTM) Material Properties

Material group: Nonferrous Alloys / Copper
Country/Standard: United States / ASTM

Data updates

Latest Update: -
Total number of updates: 0
Update History:
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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 550 MPa view details
Tensile Strength 655 — 790 MPa view details
Elongation, A 12 % view details
Yield Strength, Rp0.2 79.8 ksi view details
Tensile Strength 95 — 114.6 ksi view details
Elongation, A 12 % view details

Physical Properties

Temperature

0 - 30°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 100 — 150 GPa view details
Density val1
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kg/dm³ 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
Thermal Conductivity 222 W/(m∙°C) view details
Electrical Resistivity 0.038 Ω∙mm²/m view details
Modulus of Elasticity 14.5 E+03 — 21.8 E+03 ksi view details
Density val1
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lb/in³ 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
Thermal Conductivity 128 BTU/(h∙ft∙°F) view details
Electrical Resistivity 63.7 E-06 Ω∙circular·mil/ft view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Be
VALUE
0.15 – 0.50
UNIT
%
CAS NUMBER
7440-41-7
CRITERIA
Cu
VALUE
Remainder; Cu + sum of named elements ≥ 99.5%
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7

B888/B888M: 2024 / Standard Specification for Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts

Heat Treatments

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