Silicon Yellow Brass, UNS C87900, Copper Casting Alloy

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Silicon Yellow Brass, UNS C87900, Copper Casting Alloy
Categories:	Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:	Casting methods recommended for this alloy: Die. Applications: General purpose die casting alloy having moderate strength. Classified under: Silicon bronzes and silicon brasses. ASTM B176; formerly ASTM ZS331A Alloy does not respond to heat treating. Data typical for as-die-cast test bars. Inactive per the Copper Development Association.
Key Words:	Silicon Brass, ASTM B176; ASTM ZS331A
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	8.50 g/cc	0.307 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	70	70	Typically
Tensile Strength, Ultimate	485 MPa	70300 psi
Tensile Strength, Yield	240 MPa @Strain 0.2 %	34800 psi @Strain 0.2 %
Elongation at Break	25 %	25 %	In 50 mm
Modulus of Elasticity	105 GPa	15200 ksi
Machinability	80 %	80 %	UNS C36000 (free-cutting brass) = 100%
Charpy Impact	68.0 J	50.2 ft-lb	Unnotched

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000011494 ohm-cm @Temperature 20.0 °C	0.000011494 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.376 J/g-°C	0.0899 BTU/lb-°F
Melting Point	900 - 926 °C	1650 - 1700 °F
Solidus	900 °C	1650 °F
Liquidus	926 °C	1700 °F
Shrinkage	1.56 %	1.56 %	Patternmaker's Shrinkage (3/16 in./ft.)

Processing Properties	Metric	English	Comments
Annealing Temperature	260 °C	500 °F	Stress-Relieving Temperature

Component Elements Properties	Metric	English	Comments
Aluminum, Al	<= 0.15 %	<= 0.15 %
Antimony, Sb	<= 0.050 %	<= 0.050 %
Arsenic, As	<= 0.050 %	<= 0.050 %
Copper, Cu	>= 63 %	>= 63 %
Iron, Fe	<= 0.40 %	<= 0.40 %
Lead, Pb	<= 0.25 %	<= 0.25 %
Manganese, Mn	<= 0.15 %	<= 0.15 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Phosphorus, P	<= 0.010 %	<= 0.010 %
Silicon, Si	0.80 - 1.2 %	0.80 - 1.2 %
Sulfur, S	<= 0.050 %	<= 0.050 %
Tin, Sn	<= 0.25 %	<= 0.25 %
Zinc, Zn	30 - 36 %	30 - 36 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
Tombasil, UNS C87800, Copper Casting Alloy
Tombasil, UNS C87500, Copper Casting Alloy
Silicon Brass UNS C87400, Copper Casting Alloy
Leaded High-Strength Yellow Brass, UNS C86700, Copper Casting Alloy
Everdur, UNS C87300, Copper Casting Alloy

MC87900b1 / 11925

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message