Little Falls Alloys
                   171-191 Caldwell Avenue   Paterson, NJ 07501
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ZIRCONIUM COPPER, C15000, AMZIRC

COMPOSITION
ZIRCONIUM COPPER,  C15000,   Amzirc
ELEMENT PERCENT
MINIMUM MAXIMUM
Copper & Silver 99.8% --
Zirconium .10
.20

 

PHYSICAL PROPERTIES
ZIRCONIUM COPPER,  C15000,  Amzirc

ENGLISH UNITS

METRIC UNITS

Melting Range

1795-1975°F

980-1080°C

Density

.321 lb/cu in. @ 68°F

8.89 gm/cm@ 20°C

Specific Gravity

8.89

8.89

Coefficient of Thermal Expansion

.000094 per °F (68-572°F)

.000017 per °C (20-300°C)

Thermal Conductivity

212 BTU/sq ft/ft/hr/°F @ 68°F

.876  cal/sq cm/cm/sec/°C @ 20°C

Electrical Resistivity (Aged)

11.2 Ohms circ mil per ft @ 68°F

1.86 microhm - cm @ 20°C

Electrical Conductivity (Aged)†

93% Copper IACS @ 68°F

.538 megohm cm @ 20°C

Specific Heat

.092 BTU/lb/°F @ 68°F

.092 cal/gm/°C @ 20°C

Modulus of Elasticity (tension)

18,700 KSI

13,000 kg/sq mm

Modulus of Rigidity (torsion)

7300 KSI

5000 kg/sq mm

Annealing Temperature ††

1600-1700°F  

870-970°C
Aging Temperature
   Annealed
   Hard
930-1020°F  (1-4 hr.)
700-890°F  (1-4 hr.)
500-550°C  (1-4 hr.)
370-475°C  (1-4 hr.)

MECHANICAL PROPERTIES
ZIRCONIUM COPPER,  C15000,  Amzirc
For Round and Square Wire, after aging at 750°F (400°C) for one hour
DESIGNATION TENSILE STRENGTH YIELD STRENGTH
2% OFFSET

PERCENT ELONGATION
IN 2 in.
IN 50 mm
KSI* MPa** KSI* MPa**
Annealed (A) 35 241 10 68 55
Half Hard (1/2H) 62 427 53 365 11
Hard (H) 68 468 60 413 10
Extra Hard (XH) 70 482 62 427 10.5
Spring 72 496 63 434 11

 

MECHANICAL PROPERTIES
ZIRCONIUM COPPER,  C15000,  Amzirc
For Flat Wire,
Solution annealed at 1650°F (900°C) for 30 minutes, cold rolled and aged one hour
DESIGNATION TENSILE STRENGTH YIELD STRENGTH
2% OFFSET

PERCENT ELONGATION
IN 2 in.
IN 50 mm

AGING
TEMP.
KSI* MPa** KSI* MPa**
Half Hard (1/2H) 45 310 38 262 18 795°f
(425°C)
Three Quarters Hard (3/4H) 51 351 43 296 15
Hard (H) 54 372 45 310 15 750°F (400°C)
Extra Hard (XH) 57 393 50 344 12
Spring 60 413 52 358 12 705°F (375°C)

 

MECHANICAL PROPERTIES
ZIRCONIUM COPPER,  C15000,  Amzirc®

Retention of  Room Temperature Properties
after 50 hours exposure at high temperature
EXPOSURE TEMPERATURE TENSILE STRENGTH
BEFORE EXPOSURE AFTER EXPOSURE
KSI* MPa** KSI* MPa**
660°F (350°C) 69 475 67 --
750°F (400°C) 67.5 465 62 --

 

Endurance Strength Compared with Copper
     Zirconium Copper   28 KSI for 100,000,000 Cycles
     Pure Copper   17 KSI for 100,000,000 Cycles

* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa
†† Tensile Strength and Grain Size determining factors for acceptance or rejection.
     Values for reference only.  Not part of specification.

ZIRCONIUM COPPER,   C15000,  AMZIRC
ASTM Material Specifications

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