High-precision Copper Strip

Grade

China GB TU1
American ASTM C10100
European EN -
Japanese JIS C1010

Chemical Composition

(Weight%)

Copper Cu ≥99.97
Iron Fe ≤0.004
Lead Pb ≤0.003
Tin Sn -
Oxygen O ≤0.001
Phosphorus P ≤0.002
Zinc Zn -

Product Characteristics

Pure copper series, with good electrical and thermal conductivity, excellent processing performance and corrosion resistance.

Application Fields

● Electrical industry ● Power industry ● Communication industry ● Building decoration

Physical Properties

Density 8.9 g/cm³
Conductivity @20℃ ≥100 %IACS
Electrical Conductivity @20℃ - MS/m
Thermal Conductivity @20℃ - W/(m·K)
Specific Heat - J/(g.K)
Elastic Modulus - GPa
Poisson's Ratio - GPa
Coefficient of Thermal Expansion - 10 -6 /K

Mechanical Properties

State Tensile Strength Yield Strength Hardness Elongation
  MPa ksi MPa HV A 50%
R300(O) ≥195 ≥28 -- ≤60 ≥35
R350(1/4H) 245-340 36-49 -- 60-90 ≥25
R410(1/2H) 280-390 41-57 -- 80-110 ≥15
R480(H) 350-420 51-61 -- 100-120 ≥5
R550(EH) ≥360 ≥52 -- 110-135 --
R630(SH) -- -- -- -- --

*For reference only

Bending Performance

State 90°R/T 180°R/T
  Good Way Bad Way Good Way Bad Way
R350(1/4H) -- -- -- --
R410(1/2H) Good Good Good Good
R480 -- -- -- --

*Test sample width 10mm thickness ≤0.5mm

Corrosion Resistance

Pure copper is stable in dry air and forms a protective oxide layer in humid environments, making it suitable for corrosive environments.

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