70-30 Brass, C26000 - Plated Wire, Beryllium Copper Wire, Phosphor Bronze Wire, Copper Beryllium Wire

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70-30 Brass, C26000

70-30 BRASS, C26000

COMPOSITION
70-30 BRASS, C26000

ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper 70 68.5 71.5
Lead -- -- .07
Iron -- -- .06
Zinc 30 Remainder
Total other elements -- -- --

 

PHYSICAL PROPERTIES
70-30 BRASS, C26000

HEAT TREATED CONDITION ENGLISH UNITS METRIC UNITS
Melting Range 1680-1750°F 915-955°C
Density .308 lb/cu in. @ 68°F 8.53 gm/cm@ 20°C
Specific Gravity 8.53 8.53
Coefficient of Thermal
Expansion 		.0000111 per °F (68-392°F) .0000199 per °C (20-200°C)
Thermal Conductivity 70 BTU/sq ft/ft/hr/°F @ 68°F .29 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity
(Annealed) 		37.0 Ohms/circ mil ft @ 68°F 6.16 microhm - cm @ 20°C
Electrical Conductivity
(Annealed) 		28% Copper IACS @ 68°F .162 megohm cm @ 20°C
Specific Heat .09 BTU/lb/°F @ 68°F .09 cal/gm/°C @ 20°C
Modulus of Elasticity
(tension) 		16,000 KSI* 11,200 kg/sq mm
Modulus of Rigidity (torsion) 6000 KSI 4200 kg/sq mm
Annealing Temperature 800-1400°F 425-750°C
Stress Relief Temperature
(1 hr) 		500°F 260°C

 

MECHANICAL PROPERTIES
70-30 BRASS, C26000

For Round, Half Round and Square Wire
DESIGNATION TENSILE STRENGTH YIELD STRENGTH †
.5% EXTENSION
NOMINAL
STD FORMER KSI* MPa** KSI* MPa**
-- Annealed (A) 48-54 †† 330-372 †† 16-23 110-158
H00 Eighth Hard 50-55 345-450 46 317
H01 Quarter Hard (1/4H) 62-77 425-530 57 393
HO2 Half Hard (1/2H) 79-94 545-650 65 448
HO3 Three Quarters Hard (3/4H) 92-107 635-740 70 482
HO4 Hard 102-117 700-810 70 482
H06 Extra Hard (XH) 115-129 790-890 70 482
H08 Spring 120 min 830 min 70 482

 

MECHANICAL PROPERTIES
70-30 BRASS, C26000

For Rolled Flat Wire other than Square
DESIGNATION TENSILE STRENGTH YIELD STRENGTH †
.5% EXTENSION
NOMINAL 		PERCENT
ELONGATION †
IN 2 in., IN 50 mm
NOMINAL
STD FORMER KSI* MPa** KSI* MPa**
-- Annealed (A) 44-53†† 303-365†† 11-22 75-151 54-66

H01

Quarter Hard (1/4H) 49-59 340-405 40 275 43
H02 Half Hard (1/2H) 57-67 395-460 52 358 23
H03 Three Quarters Hard 64-74 440-510 57 393 10
H04 Hard (H) 71-81 490-560 63 434 8
H06 Extra Hard (XH) 83-92 570-635 65 448 5
H08 Spring 91-100 625-690 65 448 3
H10 Extra Spring 95-104 655-720 65 448 3

* 1 KSI equals 1,000 PSI
1 KSI equals 6.894,757 MPa (Megapascal)
† Values for reference only. Not part of specification.
†† Annealed specification is on grain size only (.015-.050 mm)

70-30 BRASS, C26000

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Looking for quality Beryllium Copper wire, Phosphor Bronze wire and Plated wire? Little Falls Alloys offers a full service approach to the Square Wire and Zirconium Chromium Wire. We specialize in Beryllium Copper, Plated wire, Zirconium Copper Wire, Brass wire, Beryllium, Copper Alloy Wire, Copper Wire, Shaped Wire, Square Wire, Small Wire, Nickel Wire, Bronze Wire, Spring Wire, Copper Beryllium Wire.