C93800-Shanghai Unique Alloy Co. Ltd

High Leaded Tin Bronze C93800

Chemical Composition

	Element
	Cu(1)	Pb	Sn	Zn	Fe	P(2)	Ni(3)	Al	S	Sb	Si
(1) Cu + Sum of Named Elements 99.0% min.(2) For continuous castings P shall be 1.5% max.(3) Ni value includes Co.
Min (%)	75.0	13.0	6.3
Max (%)	79.0	16.0	7.5	0.8	0.15	0.05	1.0	0.005	0.08	0.8	0.005

Physical Properties

Melting Point - Liquidus°F	1730
Melting Point - Solidus°F	1570
Densitylb/cu in. at 68°F	0.334
Specific Gravity	9.25
Electrical Conductivity% IACS at 68°F	11
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F	30.2
Coefficient of Thermal Expansion 68-39210-6 per °F (68 – 392°F)	10.3
Specific Heat CapacityBtu/ lb /°F at 68°F	0.09
Modulus of Elasticity in Tensionksi	10500
Incipient Melting°F	600
Magnetic Permeability	1

Applicable Specifications

Form	Sub-Form	System	Standard	Description
As Centrifugal Cast	Castings	ASTM	B271/B271M	COPPER BASE ALLOY CENTRIFUGAL CASTINGS
	Castings	SAE	J461	WROUGHT AND CAST COPPER ALLOYS
	Castings	SAE	J462	CAST COPPER ALLOYS
As Continuous Cast	Castings	ASTM	B505/B505M	COPPER BASE ALLOY CONTINUOUS CASTINGS
	Castings	SAE	J461	WROUGHT AND CAST COPPER ALLOYS
	Castings	SAE	J462	CAST COPPER ALLOYS
As Permanent Mold Cast	Castings	SAE	J461	WROUGHT AND CAST COPPER ALLOYS
As Permanent Mold Cast	Castings	SAE	J462	CAST COPPER ALLOYS
As Sand Cast	Castings	ASTM	B584	COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
	Castings	ASTM	B66	BRONZE CASTINGS IN THE ROUGH FOR LOCOMOTIVE WEARING PARTS
	Castings	ASTM	B763/B763M	COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
		MILITARY	MIL-C-22229	COPPER BASE ALLOY CASTINGS (FOR PRESSURE TIGHT APPLICATIONS)
	Castings	SAE	J461	WROUGHT AND CAST COPPER ALLOYS
	Castings	SAE	J462	CAST COPPER ALLOYS
Ingot
Ingot		ASTM	B30	COPPER BASE ALLOYS IN INGOT FORM