Copper-Zinc-Bismuth, Copper Alloy, UNS C49255, H01 Temper, Bar

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Copper-Zinc-Bismuth, Copper Alloy, UNS C49255, H01 Temper, Bar
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: 1/4 Hard Good Suitability – Soldering, Brazing; Fair Suitability – Capacity for Being Cold Worked; Fair Suitability – Capacity for Being Hot Formed Typical Uses: Electric and electronic parts; Forgings Applicable Specifications: Forgings, Die (Hot Pressed) – ASME SB283, ASTM B283/B283M; Rod, Bar & Shapes – Forgings ASTM B124/B124M; Rod, Bar & Wire – ASTM B967/B967M
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Physical Properties	Original Value	Comments

Density	0.304 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Vickers	120 @Load 0.500 kg
Tensile Strength	62.0 ksi	Typical
	59.0 - 69.0 ksi
Tensile Strength, Yield	42.0 ksi	0.2% Offset, Typical
	36.0 - 49.0 ksi	0.2% Offset
Elongation at Break	30 %
Tensile Modulus	13700 ksi
Modulus of Rigidity	5000 ksi
Compressive Strength	186.7 ksi	0.1 in. set/in.
Poissons Ratio	0.36
Fatigue Strength	34800 psi @# of Cycles 1.00e+8
Machinability	91 %
Forgeability	90 %
Shear Strength	30.5 ksi
Impact Test	3.30 ft-lb

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000710 ohm-cm	24.3% IACS

Thermal Properties	Original Value	Comments
CTE, linear	34.7 µin/in-°F @Temperature 20.0 - 100 °C
	36.9 µin/in-°F @Temperature 20.0 - 200 °C
	39.2 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0910 BTU/lb-°F
Thermal Conductivity	54.7 BTU-in/hr-ft²-°F
Melting Point	880 - 1643 °F
Solidus	880 °F
Liquidus	1643 °F
Annealing Point	>= 788 °F

Processing Properties	Original Value	Comments
Processing Temperature	428 °F	Stress Relief

Component Elements Properties	Original Value	Comments
Bismuth, Bi	1.7 - 2.9 %
Cadmium, Cd	<= 0.0075 %
Copper, Cu	58 - 60 %
Iron, Fe	<= 0.10 %
Lead, Pb	<= 0.090 %
Nickel, Ni	<= 0.30 %
Phosphorus, P	<= 0.10 %
Selenium, Se	0.020 - 0.070 %
Silicon, Si	<= 0.10 %
Tin, Sn	<= 0.50 %
Zinc, Zn	35.9 - 40.3 %	As Balance

References for this datasheet.

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MC49255x1 / 292062

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