P-OT 67 (Italy / UNI) Material Properties

Material group: Nonferrous Alloys / Copper
Country/Standard: Italy / UNI

Data updates

Latest Update: -
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Update History:
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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 255 MPa view details
Elongation, A 1 % view details
Brinell Hardness (HB) 48 — 160 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 37 ksi view details
Elongation, A 1 % view details
Brinell Hardness (HB) 48 — 160 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 116.31 W/(m∙°C) view details
Electrical Resistivity 0.066 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 67.2 BTU/(h∙ft∙°F) view details
Electrical Resistivity 110 E-06 Ω∙circular·mil/ft view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.05
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cu
VALUE
66 – 68
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7439-89-6
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
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
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

UNI 4894: 1962 / Copper alloys for plastic processing. Binary brass with Cu 67% and Zn 33%

Heat Treatments

  • Annealed at 425-750°C; Hardened and stress-relieved 1-2 h at 250-350°C.