EnviroBrass® (SeBiLOY®) II Lead-Free Casting Alloy, UNS C89520

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EnviroBrass® (SeBiLOY®) II Lead-Free Casting Alloy, UNS C89520
Categories:	Metal; Nonferrous Metal; Copper Alloy; Brass
Material Notes:	The bismuth and selenium additions take the place of lead in this red brass. The melting and machining behavior make this alloy a plausible substitute for C83600 and C84400 in plumbing applications. Small section size effect on mechanical properties of castings. Hot tearing at abrupt section changes is much reduced versus leaded red brasses. Information from the Copper Development Association.
Key Words:	ASTM B 30 and B 584
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Physical Properties	Metric	English	Comments

Density	8.80 g/cc	0.318 lb/in³	estimated from C83600
Porosity	0.4 %	0.4 %	Minimal porosity

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	>= 68 @Load 500 kg	>= 68 @Load 1100 lb	Sand Cast
	73 @Load 500 kg	73 @Load 1100 lb	Typical, Sand Cast
Tensile Strength, Ultimate	>= 176 MPa	>= 25500 psi	Sand Cast
	215 MPa	31200 psi	Typical, Sand Cast
Tensile Strength, Yield	>= 121 MPa @Strain 0.5 %	>= 17500 psi @Strain 0.5 %	Sand Cast
	145 MPa @Strain 0.5 %	21000 psi @Strain 0.5 %	Typical, Sand Cast
Elongation at Break	>= 6.0 %	>= 6.0 %	Sand Cast
	10 %	10 %	Typical, Sand Cast
Machinability	85 %	85 %	Based on C36000 at 100%

Thermal Properties	Metric	English	Comments
Melting Point	809 - 1010 °C	1490 - 1840 °F	long freezing range
Solidus	809 °C	1490 °F
Liquidus	1010 °C	1840 °F
Shrinkage	1.9 - 3.6 %	1.9 - 3.6 %	upon casting

Component Elements Properties	Metric	English	Comments
Aluminum, Al	<= 0.005 %	<= 0.005 %
Antimony, Sb	<= 0.25 %	<= 0.25 %
Bismuth, Bi	1.6 - 2.2 %	1.6 - 2.2 %	Bi:Se ratio > 2:1
Copper, Cu	85 - 87 %	85 - 87 %
Iron, Fe	<= 0.2 %	<= 0.2 %
Lead, Pb	<= 0.25 %	<= 0.25 %	not added intentionally; may be specified lower if required
Nickel, Ni	<= 1.0 %	<= 1.0 %	includes Co content
Other, total	<= 0.5 %	<= 0.5 %
Phosphorus, P	<= 0.05 %	<= 0.05 %
Selenium, Se	0.8 - 1.1 %	0.8 - 1.1 %
Silicon, Si	<= 0.005 %	<= 0.005 %
Sulfur, S	<= 0.08 %	<= 0.08 %
Tin, Sn	5.0 - 6.0 %	5.0 - 6.0 %
Zinc, Zn	4.0 - 6.0 %	4.0 - 6.0 %

Descriptive Properties
Brazing	Good
Casting Fluidity	25 cm at 100F (56C) superheat		Ragone Test
Drossing	Low
Soldering	Excellent

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.

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NSEBIL901 / 147812

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