80-20 Copper-Nickel C71000 - Plated Wire Supplier

ISO 9001-2008
Gold plated Be Cu # 25 alloyPlated Wire, Phosphor Bronze WireNickel Wire, Flat Wire, Square WireBeryllium Copper wire
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80-20 Copper-Nickel C71000

80-20 COPPER NICKEL C71000

COMPOSITION
80-20 COPPER-NICKEL, C71000

ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper - 74.0 -
Lead - - .05
Iron - - 1.0
Zinc - - 1.0
Nickel (including Cobalt) 21.0 19.0 23.0
Manganese - - 1.0

 

PHYSICAL PROPERTIES
80-20 COPPER-NICKEL, C71000

HEAT TREATED CONDITION

ENGLISH UNITS

METRIC UNITS

Melting Range

2100-2190°F

1150-1200°C

Density

.323 lb/cu in. @ 68°F

8.94 gm/cm@ 20°C

Specific Gravity

8.94 fixed

8.94

Coefficient of
Thermal Expansion

.0000091 per °F (68-572°F)

.0000164 per °C (20-300°C)

Thermal Conductivity

21 BTU/sq ft/ft/hr/°F @ 68°F

.087 cal/sq cm/cm/sec/°C @ 20°C

Electrical Resistivity

162 Ohms circ mil per ft @ 68°F

27 microhm - cm @ 20°C

Electrical Conductivity

6.4% Copper IACS @ 68°F

.037 megohm cm @ 20°C

Specific Heat

.09 BTU/lb/°F @ 68°F

..09 cal/gm/°C @ 20°C

Modulus of Elasticity (tension)

20,000 KSI

14,100 kg/sq mm

Modulus of Rigidity (torsion)

7,500 KSI

5,200 kg/sq mm

Annealing Temperature

1200-1500°F

650-825°C

MECHANICAL PROPERTIES
80-20 COPPER-NICKEL, C71000

For Round, Half Round and Square Wire
DESIGNATION TENSILE STRENGTH

YIELD STRENGTH
.2% Offset

%
ELONGATION
in 10 in.

STD FORMER KSI*
nominal
MPa**
nominal
KSI* MPa**
- Annealed (A) 48 330 18 124 45
H01 Quarter Hard (1/4H) 55-62 380-495 65 448 7.5
H02 Half Hard (1/2H) 67-83 460-570 73 503 5.5
H04 Hard (H) 77-92 530-635 82 505 5
H08

Spring
up to .0253" (.643mm)
.0253-.0625" (1.588mm)


90 min
88 min

620 min
605 min
855 586 5
H14 Extra Spring .020 to .040 100-115 690-790 90 620 3

MECHANICAL PROPERTIES
80-20 COPPER-NICKEL, C71000

For Rolled Flat Wire other than Square
DESIGNATION TENSILE STRENGTH
STD. FORMER KSI* MPa**
H01 Quarter Hard (1/4HT) 47-63 324-434
H02 Half Hard (1/2HT) 56-70 386-482
H04 Hard (HT) 67-79 461-544
H06 Extra Hard (XH) 72-84 496-579
H08 Spring 76-87 524-600

* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa


80-20 COPPER-NICKEL, C71000


ASTM Material Specifications

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