Bronze Pipe Fittings

Our no lead cast fittings are bismuth bronze. They follow the ASTM alloy listings / standard: ASTM B584 C89833

C89833*Copper Bismuth AlloyCast BRASSES Copper-Bismuth and Copper-Bismuth-Selenium AlloysTrueTrue

Chemical Composition
	Element
	Cu⁽¹⁾	Pb	Sn	Zn	Fe	P	Ni⁽²⁾	Al	Bi	S	Sb	Si
(1) Cu + Sum of Named Elements 99.3% min. (2) Ni value includes Co.
Min (%)	86.0		4.0	2.0					1.7
Max (%)	91.0	0.09	6.0	6.0	0.30	0.050	1.0	0.005	2.7	0.08	0.25	0.005

Mechanical Properties*
Form	Temper	Temper Code	Tensile Strength (ksi)	YS-0.5% Ext (ksi)	Elongation (%)	Brinell Hardness, 500 kg load	Izod (ft-lbs)
As Sand Cast	As Sand Cast	M01	37 Typ	17 Typ	28 Typ	60 Typ	12 Typ
* Measured at room temperature, 68°F (20°C).

Bismuth bronze. Bismuth bronze or bismuth brass is a copper alloy which typically contains 1-3% bismuth by weight, although some alloys contain over 6% Bi. This bronze alloy is very corrosion-resistant, a property which makes it suitable for use in environments such as the ocean.

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