Mueller Alloy 3770 Forging Brass (UNS C37700)

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Mueller Alloy 3770 Forging Brass (UNS C37700)
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	General forging applications Applications: Alloy 3770 is used as rod base stock for press and hammer forgings requiring the excellent corrosion resistance and machinability of brass. Typical applications include valve bodies, hardware, fittings and miscellaneous brass forgings. Information Provided by Mueller Industries Inc.
Key Words:	ASTM B124, UNS C37700, AMS 4614D, SAE J463
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Physical Properties	Metric	English	Comments

Density	8.44 g/cc	0.305 lb/in³	Based on UNS number

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	78	78
Tensile Strength at Break	359 MPa	52000 psi
Tensile Strength, Yield	138 MPa	20000 psi
Elongation at Break	45 %	45 %
Machinability	90 %	90 %	UNS C36000 = 100%

Processing Properties	Metric	English	Comments
Processing Temperature	260 °C	500 °F	Stress Relieving
Hot-Working Temperature	649 - 704 °C	1200 - 1300 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	58 - 61 %	58 - 61 %
Iron, Fe	<= 0.30 %	<= 0.30 %
Lead, Pb	1.5 - 2.5 %	1.5 - 2.5 %
Zinc, Zn	36.2 - 40.5 %	36.2 - 40.5 %	Remainder

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NMUEL903 / 97691

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