C18700 Free-Machining Cu

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Overview

Physical Properties

Annealing Range (Min) 800 °F
Annealing Range (Max) 1200 °F
Density 0.323 lb/in³
Electrical Resistivity (Annealed) 10.8 Ω·cir-mil/ft @ 68 °F
Electrical Conductivity (Annealed) 96% IACS @ 68 °F
Thermal Conductivity 218 Btu/ft²/ft·hr/°F @ 68 °F
Coefficient of Thermal Expansion 9.8 per °F (68-572 °F)
Modulus of Elasticity (Tension) 17 ksi
Modulus of Rigidity (Tension) 6 ksi
Melting Point (Solidus) 1,620 °F
Melting Point (Liquidus) 1,880 °F
Annealing Range (Min) 427 °C
Annealing Range (Max) 649 °C
Density 8.94 gm/cm³
Electrical Resistivity (Annealed) 1.8 µΩ·cm @ 20 °C
Electrical Conductivity (Annealed) 0.56 MS·cm @ 20 °C
Thermal Conductivity 377 W/m·K @ 20 °C
Coefficient of Thermal Expansion 17.6 per °C (20-300 °C)
Modulus of Elasticity (Tension) 117 Mpa
Modulus of Rigidity (Tension) 44 Mpa
Melting Point (Solidus) 882 °C
Melting Point (Liquidus) 1,027 °C

Round Wire - Pretempered

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
Typical
MILL LIMITS
(inch)
ELONGATION
(%)
1" GL
1/2 Hard H02 38.0 .01 - .2362 6.00
Hard H04 48.0 .01 - .2362 4.00
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
Typical
MILL LIMITS
(mm)
ELONGATION
(%)
1" GL
1/2 Hard H02 260 .254mm to 6mm 6.00
Hard H04 330 .254mm to 6mm 4.00

Round Rod - Pretempered

TEMPER NAME TEMPER CODE TENSILE
STRENGTH (ksi)
Typical
YIELD STRENGTH,
0.5% EUL
(ksi)
Typical
MILL LIMITS
(inch)
ELONGATION
(%)
1" GL
1/2 Hard H02 38.0 30.0 .0625 - .250 8.00
Hard H04 48.0 40.0 .0625 - .250 4.00
TEMPER NAME TEMPER CODE TENSILE
STRENGTH (Mpa)
Typical
YIELD STRENGTH,
0.5% EUL
(Mpa)
Typical
MILL LIMITS
(mm)
ELONGATION
(%)
1" GL
1/2 Hard H02 260 210 1.59mm to 6.35mm 8.00
Hard H04 330 280 1.59mm to 6.35mm 4.00

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