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C94500 Cast BRONZES Copper-Tin-Lead Alloys (High-Leaded Tin Bronzes) true false https://api.copper.org/alloys.xhtml/C94500
Chemical Composition
Elements
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 (%) 16.0 6.0
Max (%) Rem 22.0 8.0 1.2 0.15 0.05 1.0 0.005 0.08 0.8 0.005
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load Shear Strength
(ksi)		 Izod
(ft-lbs)		 Compressive Strength .1 in. set/in.
(ksi)		 Fatigue Strength**
(ksi)		 Proportional Limit
(ksi)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
As Sand Cast As Sand Cast M01 25 Typ
 12 Typ
 12 Typ
 50 Typ
 13 Typ
 4 Typ 36 Typ 10 Typ 4 Typ
Physical Properties
Melting Point - Liquidus°F 1725
Melting Point - Solidus°F 1475
Densitylb/cu in. at 68°F 0.34
Specific Gravity 9.41
Electrical Conductivity% IACS at 68°F 10
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 30.2
Coefficient of Thermal Expansion 68-39210 to -6 power 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
Casting Characteristics
Casting Attribute Level
Casting Yield High
Drossing Low
Effect of Section Size Low
Fluidity High
Gassing Medium
Patternmakers Shrinkage inches per inch 2/16
Shrinkage in Solidification Low
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Poor
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 80
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief 500
Solution Treatment 0
Typical uses
Product Category Product Reason Category Reason
Industrial Corrosion Resistant Castings Corrosion Resistance Corrosion Resistance
Corrosion Resistant Castings Corrosion Resistance Corrosion Resistance to Brackish Water
Corrosion Resistant Castings Corrosion Resistance Corrosion Resistance to Many Industrial Chemicals
Corrosion Resistant Castings Corrosion Resistance Corrosion Resistance to Numerous Environments
Corrosion Resistant Castings Friction & Wear Properties Wear Resistance
High Load, Low Speed Bearings Corrosion Resistance Corrosion Resistance
High Load, Low Speed Bearings Corrosion Resistance Corrosion Resistance to Numerous Environments
High Load, Low Speed Bearings Friction & Wear Properties Wear Resistance
High Load, Low Speed Bearings Machining Characteristics Excellent Machinability
Locomotive Shoes Conductivity (Thermal) Thermal Conductivity
Locomotive Shoes Corrosion Resistance Corrosion Resistance
Locomotive Shoes Corrosion Resistance Corrosion Resistance to Numerous Environments
Locomotive Shoes Friction & Wear Properties Wear Resistance
Locomotive Wedges Conductivity (Thermal) Thermal Conductivity
Locomotive Wedges Corrosion Resistance Corrosion Resistance
Locomotive Wedges Corrosion Resistance Corrosion Resistance to Numerous Environments
Locomotive Wedges Friction & Wear Properties Wear Resistance
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Sand Cast Castings ASTM B66 BRONZE CASTINGS IN THE ROUGH FOR LOCOMOTIVE WEARING PARTS
Ingot AMS 4500 COPPER SHEET, STRIP AND PLATE, SOFT ANNEALED
ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No Corrosion Properties Available.