Oxygen Free Copper - CDA 102

Element

Composition (%)

Copper (Cu)

99.95min.

Oxygen (O)

0.0010% Max

Other Elements (total)

0.05% Max

Property

Value

Color

Copper

Melting Point (Solidus)

1981°F (1083°C)

Flow Point (Liquidus)

1981°F (1083°C)

Specific Gravity

8.94

Density

0.323 lbs/in³

Electrical Conductivity

101% IACS (minimum)

Electrical Resistivity

1.71 microhm-cm

Property

Value

Elastic (Young's) Modulus

120 GPa (17 × 10⁶ psi)

Elongation at Break

1.5% to 50%

Poisson's Ratio

0.34

Rockwell F Hardness

40 to 100

Rockwell Superficial 30T Hardness

27 to 70

Shear Modulus

43 GPa (6.3 × 10⁶ psi)

Shear Strength

150 to 240 MPa (22 to 34 × 10³ psi)

Tensile Strength: Ultimate (UTS)

220 to 410 MPa (32 to 60 × 10³ psi)

Tensile Strength: Yield (Proof)

69 to 400 MPa (10 to 58 × 10³ psi)

Property

Value

Melting Point

1083°C (1981°F)

Specific Heat

385 J/kg·K

Thermal Conductivity

399 W/m·°C

Thermal Expansion Coefficient (20-200°C)

17.3 × 10⁻⁶ /°C

Brazing Temperature Range

1093°C - 1149°C (2000°F - 2100°F)

Property

Value

Hot Working Temperature Range

600-800°C

Hot Formability

Good

Cold Formability

Excellent

Cold Reduction Between Anneals

95% max.

Machinability Rating

20% (of free-cutting brass)

Soldering

Excellent

Brazing

Excellent

Oxy-acetylene Welding

Good

Gas-shielded Arc Welding

Excellent

Resistance Welding: Spot and Seam

Not recommended

Resistance Welding: Butt

Good

Brazing Temperature Range

1093°C - 1149°C (2000°F - 2100°F)