18% Nickel Silver C76400 Alloy B-1 - 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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18% Nickel Silver C76400 Alloy B-1

18% NICKEL SILVER, C76400 ALLOY B-1

COMPOSITION
18% NICKEL SILVER, C76400 ALLOY B-1

ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper 60.0 58.5 61.5
Lead - - .05
Iron - - .25
Zinc 22.0 Remainder
Nickel 18 16.5 19.5
Manganese - - .50
Total Other Elements - - .50

 

PHYSICAL PROPERTIES
18% NICKEL SILVER, C76400 ALLOY B-1

HEAT TREATED CONDITION ENGLISH UNITS METRIC UNITS
Melting Point 1930°F 1055°C
Density .314 lb/cu in. @ 68°F 8.7 gm/cm@ 20°C
Specific Gravity 8.70 8.70
Coefficient of Thermal Expansion .000093 per °F (68-572°F) .0000167 per °C (20-300°C)
Thermal Conductivity 17 BTU/sq ft/ft/hr/°F @ 68°F .07 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity (Annealed) 189 Ohms circ mil per ft @ 68°F 3104 microhm - cm @ 20°C
Electrical Conductivity (Annealed) 5.5% Copper IACS @ 68°F .0319 megohm cm @ 20°C
Specific Heat .09 BTU/lb/°F @ 68°F .09 cal/gm/°C @ 20°C
Modulus of Elasticity (tension) 18,000 KSI 12,500 kg/sq mm
Modulus of Rigidity (torsion) 6800 KSI 4800 kg/sq mm
Annealing Temperature 1100-1500°F 600-825°C
Stress Relief Temperature 375°F 191°C

1 KSI equals 1,000 PSI

MECHANICAL PROPERTIES
18% NICKEL SILVER, C76400 ALLOY B-1

For Round, Half Round and Square Wire
TEMPER TENSILE STRENGTH
STD. FORMER KSI* .020 in. & larger MPa** .508 mm & larger
- Annealed (A) 60† 413†
H01 Quarter Hard (1/4H) 74-93 510-640
H02 Half Hard (1/2H) 92-110 635-760
H04 Hard (H) 112-128 770-885
H08 Spring .020-.0253 (.508-.643mm)
.0253-.0625 (.643-1588 mm)
130 min.
125 min.
900 min.
860 min.

MECHANICAL PROPERTIES
18% NICKEL SILVER, C76400 ALLOY B-1

For Rolled Flat Wire Other Than Square
TEMPER TENSILE STRENGTH
STD. FORMER KSI* nominal MPa** nominal
- Annealed (A) 60† 413†
H01 Quarter Hard (1/4H) 69-87 475-600
H02 Half Hard (1/2H) 78-95 540-655
H04 Hard (H) 92-109 635-750
H06 Extra Hard )XH) 102-117 700-810
H08 Spring 108-123 740-850

† Values for reference only. Not part of Specification
* 1 KSI equals 1,000 PSI

18% NICKEL SILVER, C76400 ALLOY B-1

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