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C91600 Cast BRONZES Copper-Tin Alloys (Tin Bronzes) true false https://api.copper.org/alloys.xhtml/C91600
Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe P(3) Ni(4) Al S Sb Si
(1) Cu + Sum of Named Elements 99.4% min.
(2) In determining Cu min., Cu may be calculated as Cu + Ni.
(3) For continuous castings P shall be 1.5% max.
(4) Ni value includes Co.
Min (%) 86.0 9.7 1.2
Max (%) 89.0 0.25 10.8 0.25 0.20 0.30 2.0 0.005 0.05 0.20 0.005
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load Proportional Limit
(ksi)
* Measured at room temperature, 68°F (20°C).
As Centrifugal Cast As Centrifugal Cast M02 45 Min for Standard
60 Typ
 25 Min for Standard
32 Typ
 10 Min for Standard
16 Typ
 85 Min for Standard
106 Typ
As Permanent Mold Cast As Permanent Mold Cast M05 60 Typ
 32 Typ
 16 Typ
 106 Typ
As Sand Cast As Sand Cast M01 35 Min for Standard
44 Typ
 17 Min for Standard
22 Typ
 10 Min for Standard
16 Typ
 65 Min for Standard
85 Typ
 16 Typ
Physical Properties
Melting Point - Liquidus°F 1887
Melting Point - Solidus°F 1575
Densitylb/cu in. at 68°F 0.32
Specific Gravity 8.86
Electrical Conductivity% IACS at 68°F 10
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 40.8
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair
Machinability Rating 20
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
Fasteners Nuts Corrosion Resistance Corrosion Resistance
Nuts Mechanical Properties Moderate Strength
Industrial Bearings Corrosion Resistance Corrosion Resistance
Bearings Corrosion Resistance Corrosion Resistance to Numerous Environments
Bearings Friction & Wear Properties Wear Resistance
Bearings Mechanical Properties Moderate Strength
Bushings Corrosion Resistance Corrosion Resistance
Bushings Corrosion Resistance Resistant in Numerous Environments
Bushings Friction & Wear Properties Wear Resistance
Bushings Mechanical Properties Moderate Strength
Fittings Corrosion Resistance Corrosion Resistance
Fittings Mechanical Properties Moderate Strength
Gears Corrosion Resistance Corrosion Resistance (Excellent)
Gears Machining Properties Machinability, Good
Gears Mechanical Properties Moderate Strength
Piston Rings Corrosion Resistance Corrosion Resistance
Piston Rings Friction & Wear Properties Wear Resistance
Piston Rings Mechanical Properties Moderate Strength
Pump Impellers Corrosion Resistance Corrosion Resistance
Pump Impellers Corrosion Resistance Corrosion Resistance to Numerous Environments
Pump Impellers Friction & Wear Properties Wear Resistance
Pump Impellers Mechanical Properties Moderate Strength
Steam Castings Corrosion Resistance Corrosion Resistance
Steam Castings Corrosion Resistance Corrosion Resistance to Numerous Environments
Steam Castings Friction & Wear Properties Wear Resistance
Steam Castings Mechanical Properties Moderate Strength
Steam Castings Pressure Tight Pressure Tight up to 260 C
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Centrifugal Cast Castings ASTM B427 GEAR BRONZE ALLOY CASTINGS
As Sand Cast Castings ASTM B427 GEAR BRONZE ALLOY CASTINGS
Ingot ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No Corrosion Properties Available.