White Manganese Brass, UNS C99700, Copper Casting Alloy, M04 Temper, As Pressure Die Cast

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White Manganese Brass, UNS C99700, Copper Casting Alloy, M04 Temper, As Pressure Die Cast
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	Temper: As Pressure Die Cast Casting Characteristics: High – Fluidity; Medium - Casting Yield, Drossing, Shrinkage in Solidification; Low - Effect of Section Size, Gassing Fabrication Properties: Good Suitability – Soldering, Brazing, Oxyacetylene Welding Typical uses: Electrical Parts; Gears for Mining Equipment; Propeller Wheels; Valve Stems; Outboard Marine Components Applicable Specifications: As Die Cast – Castings ASTM B176; Ingot - ASTM B30
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Physical Properties	Original Value	Comments

Density	0.296 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Brinell	125 @Load 3000 kg
Tensile Strength	65.0 ksi
Tensile Strength, Yield	27.0 ksi	0.5% Ext
Elongation at Break	15 %
Tensile Modulus	16500 ksi
Machinability	80 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000570 ohm-cm	3% IACS

Thermal Properties	Original Value	Comments
Melting Point	1615 - 1655 °F
Solidus	1615 °F
Liquidus	1655 °F
Annealing Point	>= 842 °F
Shrinkage	2.08 %	Patternmaker's Shrinkage (4/16 in./ft.)

Processing Properties	Original Value	Comments
Processing Temperature	700 °F	Stress Relief
Precipitation Temperature	932 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.50 - 3.0 %
Copper, Cu	>= 54 %
Iron, Fe	<= 1.0 %
Lead, Pb	<= 2.0 %
Manganese, Mn	11 - 15 %
Nickel, Ni	4.0 - 6.0 %
Zinc, Zn	19 - 25 %

References for this datasheet.

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MC99700x1 / 293268

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