Medium-leaded brass, 64-1/2%, UNS C34000, OS025, Flat Products, Rod & Bar

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Medium-leaded brass, 64-1/2%, UNS C34000, OS025, Flat Products, Rod & Bar
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Temper: Nominal Grain Size 0.025 mm Fabrication Properties: Excellent Suitability – Soldering; Good Suitability – Brazing, Capacity for Being Cold Worked; Fair Suitability – Butt Weld; Poor Suitability – Capacity for Being Hot Formed Common Fabrication Processes: Blanking; Heading and Upsetting; Machining; Piercing and Punching; Roll Threading and Knurling; Stamping Typical uses: Valve Stems for Tires; Butts; Engravings; Threaded Connectors; Nuts; Rivets; Screws; Couplings; Dials; Flare Fittings; Gears; Instrument Plates; Nuts, Screws Rivets; Screw Machine Products; Drawn Shells; Plumbers' Brass Goods; Plumbing Fittings Applicable Specifications: Bar – ASTM B121/B121M; Plate - ASTM B121/B121M; Rod, Bar & Shapes – ASTM B453/B453M; Sheet – ASTM B121/B121M; Strip – ASTM B121/B121M
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Physical Properties	Original Value	Comments

Density	0.306 lb/in³

Mechanical Properties	Original Value	Comments
Tensile Strength	50.0 ksi @Thickness 25.4 mm
	50.0 ksi @Thickness 2.03 mm
	51.0 ksi @Thickness 1.02 mm
Tensile Strength, Ultimate	34.0 ksi @Thickness 25.4 mm	In Shear
	34.0 ksi @Thickness 1.02 mm	In Shear
	34.0 ksi @Thickness 2.03 mm	In Shear
Tensile Strength, Yield	19.0 ksi @Thickness 1.02 mm	0.5% Ext
	20.0 ksi @Thickness 25.4 mm	0.5% Ext
Elongation at Break	50 % @Thickness 2.03 mm
	53 % @Thickness 1.02 mm
	60 % @Thickness 25.4 mm
Tensile Modulus	15000 ksi
Modulus of Rigidity	5600 ksi
Poissons Ratio	0.34	Calculated
Machinability	70 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000660 ohm-cm	26% IACS

Thermal Properties	Original Value	Comments
CTE, linear	11.3 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	67.0 BTU-in/hr-ft²-°F
Melting Point	1630 - 1700 °F
Solidus	1630 °F
Liquidus	1700 °F
Annealing Point	800 - 1200 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	62 - 65 %
Iron, Fe	<= 0.15 %
Lead, Pb	0.80 - 1.5 %
Zinc, Zn	33.5 - 37.2 %	As Balance

References for this datasheet.

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MC34000x4 / 292917

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