Gilding Copper, UNS C21000, Hard Temper

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.

Gilding Copper, UNS C21000, Hard Temper
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability, good hot workability for blanking, coining, drawing, piercing and punching, shearing, spinning, squeezing and swaging, stamping. Applications: coins, medals, tokens, bullet jackets, firing pin supports, fuse caps, primers, emblems, plaques, base for gold plate. Available as flat products and wire.
Key Words:	CZ125, ISO CuZn5, CEN CW500L, Cap copper, 95/5 brass
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	8.86 g/cc	0.320 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	64	64
Hardness, Rockwell 30T	60	60
Tensile Strength, Ultimate	385 MPa	55800 psi
Tensile Strength, Yield	345 MPa	50000 psi
Elongation at Break	5.0 %	5.0 %	In 50 mm
Modulus of Elasticity	115 GPa	16700 ksi
Poissons Ratio	0.307	0.307
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	44.0 GPa	6380 ksi
Shear Strength	255 MPa	37000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000244 ohm-cm @Temperature 1100 °C	0.00000244 ohm-cm @Temperature 2010 °F	liquid phase
	0.00000310 ohm-cm @Temperature 20.0 °C	0.00000310 ohm-cm @Temperature 68.0 °F	annealed
Magnetic Susceptibility	-0.0000125 - -1.00e-6	-0.0000125 - -1.00e-6	SI units

Thermal Properties	Metric	English	Comments
CTE, linear	18.0 µm/m-°C @Temperature 20.0 - 300 °C	10.0 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	234 W/m-K @Temperature 20.0 °C	1620 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	1050 - 1065 °C	1920 - 1949 °F
Solidus	1050 °C	1920 °F
Liquidus	1065 °C	1949 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	425 - 800 °C	797 - 1470 °F
Hot-Working Temperature	750 - 875 °C	1380 - 1610 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	94 - 96 %	94 - 96 %
Iron, Fe	<= 0.050 %	<= 0.050 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Zinc, Zn	5.0 %	5.0 %

Descriptive Properties
Velocity of Sound	3.78 km/s		at 20°C

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:
Gilding Copper, UNS C21000, Half Hard Temper
Uninhibited Naval brass, UNS C46400, H01 (8%) Temper 25 mm rod/bar
Overview of materials for Brass
Gilding Copper, UNS C21000, OSO50 Temper
Gilding Copper, UNS C21000, Extra Hard Temper

MC21000b7 / 10984

	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