Copper Alloy, UNS C27450, Yellow Brass, H04 Temper, Rod

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Copper Alloy, UNS C27450, Yellow Brass, H04 Temper, Rod
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Temper: Hard Fabrication Properties: Excellent Suitability – Soldering, Brazing, Capacity for Being Cold Worked, Capacity for Being Hot Formed; Good Suitability –Spot Weld, Butt Weld; Fair Suitability – Oxyacetylene Welding, Gas Shielded Arc Welding Applicable Specifications: Forgings, Die (Hot Pressed) - ASTM B927/B927M, ASME SB283; Rod, Bar & Shapes - ASTM B124/B124M, ASTM B927/B927M
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Physical Properties	Metric	English	Comments

Density	8.58 g/cc	0.310 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	68	68
Tensile Strength	434 MPa	63000 psi
Tensile Strength, Yield	324 MPa	47000 psi	0.2% Offset
Elongation at Break	25 %	25 %
Tensile Modulus	103 GPa	15000 ksi
Modulus of Rigidity	38.6 GPa	5600 ksi
Poissons Ratio	0.34	0.34	Calculated
Machinability	70 %	70 %
Forgeability	95 %	95 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000640 ohm-cm	0.00000640 ohm-cm	27% IACS

Thermal Properties	Metric	English	Comments
CTE, linear	20.5 µm/m-°C @Temperature 20.0 - 300 °C	11.4 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	9.65 W/m-K	67.0 BTU-in/hr-ft²-°F
Melting Point	<= 916 °C	<= 1680 °F
Liquidus	916 °C	1680 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	60 - 65 %	60 - 65 %
Iron, Fe	<= 0.35 %	<= 0.35 %
Lead, Pb	<= 0.25 %	<= 0.25 %
Zinc, Zn	34.4 - 40 %	34.4 - 40 %	As Balance

References for this datasheet.

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MC27450x1 / 291841

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