GB H70 Copper Alloys

Material group: Nonferrous Alloys / Copper Alloys
Country / Standard: China / GB

Data updates

Latest Update: 2025-01
Total number of updates: 13
Update History

This material has 969 properties — only a subset is shown here.

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GB H70 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Cu
VALUE
68.5 – 71.5
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
≤ 0.1
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Ni
VALUE
≤ 0.5
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
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

GB/T 2059: 2017 / Copper and copper alloy strip

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GB H70 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
100 — 150 GPa
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Electrical Resistivity
≤ 0.075 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
121.4 W/(m∙°C)
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This material has 969 properties — only a subset is shown here.

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GB H70 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
275 — 930 MPa
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Brinell Hardness (HB)
50 — 140
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Elongation, A
≥ 2 %
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Vickers Hardness (HV)
val1
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Yield Strength, Rp0.2
val1
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MPa
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GB H70 International Equivalent Materials


Showing 15 of 98 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
CNS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
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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  • 98Cross References

  • 18Composition
  • 205Mechanical Properties
  • 13Physical Properties
  • -Heat Treatment
  • 1Metallography
  • -Machinability

  • 6Stress-Strain
  • 2Formability
  • 7Fatigue
  • -Fracture
  • -Creep

  • 119Joints
  • -Coatings
  • 12Dimensions
  • -Tribology

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

  • 75Total Suppliers