Cast Silicon Bronze, UNS C87800, M04 Temper, As Die Cast

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Cast Silicon Bronze, UNS C87800, M04 Temper, As Die Cast
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze
Material Notes:	Temper: As Pressure Die Cast Casting Characteristics: High – Casting Yield, Fluidity; Medium – Gassing, Effect of Section Size, Shrinkage in Solidification; Low - Drossing Fabrication Properties: Excellent Suitability – Soldering, Brazing, Gas Shielded Arc Welding; Good Suitability - Coated Metal Arc Welding, Spot Weld, Seam Weld, Butt Weld; Fair Suitability – Oxyacetylene Welding Typical uses: Brackets; Clamps; Hexagonal Nuts; General Hardware; Brush Holders; Corrosion Resistant Components; Gears; High Strength, Thin Walled Die Castings; Lever Arms; Pump Impellers; Tools; Valve Parts; Marine Hardware; Plumbing Parts Applicable Specifications: As Die Cast – Castings ASTM B176, Castings SAE J461, Castings SAE J462; As Permanent Mold Cast – Castings ASTM B806; Ingot - ASTM B30
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Physical Properties	Original Value	Comments

Density	0.300 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	85
Tensile Strength	>= 85.0 ksi	for Standard
	85.0 ksi	Typical
Tensile Strength, Yield	50.0 ksi	0.2% Offset
Elongation at Break	25 %
Tensile Modulus	20000 ksi
Machinability	40 %
Charpy Impact	70.0 ft-lb	V-Notch

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000260 ohm-cm	6.7% IACS

Thermal Properties	Original Value	Comments
CTE, linear	10.9 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	16.0 BTU-in/hr-ft²-°F
Melting Point	1510 - 1680 °F
Solidus	1510 °F
Liquidus	1680 °F
Shrinkage	1.56 %	Patternmaker's Shrinkage (3/16 in./ft.)

Processing Properties	Original Value	Comments
Processing Temperature	500 °F	Stress Relief

Component Elements Properties	Original Value	Comments
Aluminum, Al	<= 0.15 %
Antimony, Sb	<= 0.050 %
Arsenic, As	<= 0.050 %
Copper, Cu	>= 80 %
Iron, Fe	<= 0.15 %
Lead, Pb	<= 0.090 %
Magnesium, Mg	<= 0.010 %
Manganese, Mn	<= 0.15 %
Nickel, Ni	<= 0.20 %
Phosphorus, P	<= 0.010 %
Silicon, Si	3.8 - 4.2 %
Sulfur, S	<= 0.050 %
Tin, Sn	<= 0.25 %
Zinc, Zn	12 - 16 %

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC87800x1 / 293184

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