UNI P OTS 71 Sn Copper Alloys

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

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UNI P OTS 71 Sn Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
As
VALUE
0.02 – 0.06
UNIT
%
CAS NUMBER
7440-38-2
CRITERIA
Cu
VALUE
70 – 73
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7439-89-6
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
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 6400: 1968 / Wrought copper-alloys, Special brass Cu 71%, Zn 28% and Sn 1%

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UNI P OTS 71 Sn Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
100 — 150 GPa
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Electrical Resistivity
0.069 Ω∙mm²/m
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Density
7.5 — 9.3 kg/dm³
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Electrical Conductivity
val1
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S/m
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UNI P OTS 71 Sn Heat Treatments


  • Annealing temperature: 550-650°C. Melting range 900 - 935°C.

UNI P OTS 71 Sn Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
304 — 588 MPa
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Brinell Hardness (HB)
50 — 180
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Elongation, A
≥ 8 %
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Yield Strength, Rp0.2
val1
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MPa
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UNI P OTS 71 Sn International Equivalent Materials


Showing 1 of 4 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Identical

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  • 4Cross References

  • 7Composition
  • 20Mechanical Properties
  • 7Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 5Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • 119Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • 413Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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