Copper Alloy, UNS C68370, M30 Temper, Rod, Bar, Wire and Forgings

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Copper Alloy, UNS C68370, M30 Temper, Rod, Bar, Wire and Forgings
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: As Hot Extruded Fabrication Properties: Excellent Suitability – Soldering, Capacity for Being Hot Formed; Good Suitability – Brazing, Oxyacetylene Welding, Coated Metal Arc Welding, Spot Weld, Seam Weld, Butt Weld; Poor Suitability – Capacity for Being Cold Worked Typical Uses: Connectors; Fittings; Plumbing Fittings
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Physical Properties	Original Value	Comments

Density	0.300 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	75
Tensile Strength	>= 61.0 ksi	Typical
	75.0 ksi
Tensile Strength, Yield	34.0 ksi	0.2% Offset
Elongation at Break	10 %
Modulus of Rigidity	5500 ksi
Poissons Ratio	0.33
Machinability	80 %
Forgeability	120 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000104 ohm-cm	16.5% IACS

Thermal Properties	Original Value	Comments
CTE, linear	19.0 µin/in-°F @Temperature 20.0 - 300 °C
Thermal Conductivity	43.0 BTU-in/hr-ft²-°F
Melting Point	1589 - 1616 °F
Solidus	1589 °F
Liquidus	1616 °F

Component Elements Properties	Original Value	Comments
Bismuth, Bi	<= 0.050 %
Cadmium, Cd	<= 0.0075 %
Copper, Cu	60.5 - 64.5 %
Iron, Fe	<= 0.20 %
Lead, Pb	<= 0.10 %
Manganese, Mn	<= 0.20 %
Nickel, Ni	<= 0.20 %
Phosphorus, P	0.010 - 0.10 %
Selenium, Se	<= 0.050 %
Silicon, Si	0.70 - 1.3 %
Tin, Sn	<= 0.20 %
Zinc, Zn	33.3 - 38.8 %	As Balance

References for this datasheet.

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MC68370x1 / 292353

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