Heat Treatable and Tempered - 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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Heat Treatable and Tempered

Beryllium Copper is our specialty. We have pioneered the use of this metal since its commercial inception and have led in its development and uses.

BERYLLIUM COPPER
C17500 (10 Alloy) - C17510 (3 Alloy)
Heat Treatable and Tempered

COMPOSITION
BERYLLIUM COPPER C17500 & C17510

ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper 96.9 - -
Cobalt 2.55 2.4 2.7
Beryllium .55 .4 .7
Iron - - .10
Cu + Co + Be - 99.50 -
Silicon - - .20
Aluminum - - .20

 

PHYSICAL PROPERTIES
BERYLLIUM COPPER C17500 & C17510

HEAT TREATED CONDITION ENGLISH UNITS METRIC UNITS
Melting Range 1885 - 1955°F 1029 - 1068°C
Density .311 lb/cu in. @ 68°F 8.82 gm/cm@ 20°C
Specific Gravity 8.62 8.62
Coefficient of
Thermal Expansion
.0000098 per °F (68-392°F) .0000176 per °C (20-200°C)
Thermal Conductivity 120-150 BTU/sq ft/ft/hr/°F @ 68°F .49-62 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity 22.8 Ohms circ mil per ft @ 68°F 3.79 microhm - cm @ 20°C
Electrical Conductivity 45-48% Copper IACS @ 68°F .260-.278 megohm cm @ 20°C
Specific Heat .10 BTU/lb/°F @ 68°F .10 cal/gm/°C @ 20°C
Modulus of Elasticity
(tension)
19,000 KSI 13,500 kg/sq mm
Modulus of Rigidity (torsion) 7,500 KSI 5,200 kg/sq mm
Hot Working Range 1,200-1,625°F 650-765°C
Solution Annealing Temperature 1,675-1,725°F 900-950°C Water Quench
Hardening Heat Treatment    
Solution Annealed 3 Hours @ 900°F 3 Hours @ 480°C
Hard 2 Hours @ 900°F 2 Hours @ 480°C

Other hardening temperatures can be used with adjustment of time.
Lower temperatures give higher tensile strength at some sacrifice in electrical conductivity.
* 1 KSI equals 1,000 PSI

MECHANICAL PROPERTIES
BERYLLIUM COPPER C17500 & C17510

For Round, Square and Flat Wire
DESIGNATION TENSILE STRENGTH YIELD STRENGTH .2% Offset % ELECTRICAL CONDUCTIVITY
IACS
STD FORMER KSI* MPa** KSI* MPa**
TB00 Annealed (A) 35-55 240-380 20-30 140-210 25-30
TD02 Half Hard (1/2H) 70-80 480-590 65-80 450-550 22-27
TF00 Annealed Heat Treated (AT) 100-120 690-830 80-100 550-690 48-55
TH02 Half Hard Heat Treated (1/2HT) 110-130 760-900 95-120 690-830 48-52
- Tempered 55-70 380-480 40-60 290-410 50-60
- Tempered
and Drawn
(Spring Tempered)
110-130 760-900 100-120 690-830 48-55

BERYLLIUM COPPER C17500 & C17510
ASTM Material Specifications

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