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C90700 Tin Bronze, 65 Cast BRONZES Copper-Tin Alloys (Tin Bronzes) true false https://api.copper.org/alloys.xhtml/C90700
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 (%) 88.0 10.0
Max (%) 90.0 0.50 12.0 0.50 0.15 0.30 0.50 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 Fatigue Strength**
(ksi)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
As Centrifugal Cast As Centrifugal Cast M02 50 Min for Standard
55 Typ
 28 Min for Standard
30 Typ
 12 Min for Standard
16 Typ
 95 Min for Standard
102 Typ
As Continuous Cast As Continuous Cast M07 40 Min for Standard
40 Min for Standard
 25 Min for Standard
 10 Min for Standard
10 Min for Standard
As Permanent Mold Cast As Permanent Mold Cast M05 55 Typ
 30 Typ
 16 Typ
 102 Typ
As Sand Cast As Sand Cast M01 35 Min for Standard
35 Min for Standard
44 Typ
 17 Min for Standard
22 Typ
 10 Min for Standard
10 Min for Standard
20 Typ
 65 Min for Standard
80 Typ
 25 Typ
Physical Properties
Melting Point - Liquidus°F 1830
Melting Point - Solidus°F 1528
Densitylb/cu in. at 68°F 0.317
Specific Gravity 8.77
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) 10.2
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 15000
Magnetic Permeability 1
Casting Characteristics
Casting Attribute Level
Casting Yield Medium
Drossing Low
Effect of Section Size High
Fluidity High
Gassing Med-High
Patternmakers Shrinkage inches per inch 3/16
Shrinkage in Solidification Low
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
Industrial Bearings Corrosion Resistance Corrosion Resistance
Bearings Friction & Wear Properties Low Co-efficient of Friction
Bearings Friction & Wear Properties Wear Resistance
Bearings Mechanical Properties Moderate Strength
Bearings for Heavy Loads and Relatively Low Speeds Corrosion Resistance Corrosion Resistance
Bearings for Heavy Loads and Relatively Low Speeds Friction & Wear Properties Low Co-efficient of Friction
Bearings for Heavy Loads and Relatively Low Speeds Friction & Wear Properties Wear Resistance
Bearings for Heavy Loads and Relatively Low Speeds Mechanical Properties Moderate Strength
Gear Boxes Corrosion Resistance Good Resistance to Corrosion
Gear Boxes Friction & Wear Properties Wear Resistance
Gear Boxes Machining Properties Machinability, Good
Gear Boxes Mechanical Properties Moderate Strength
Gear Boxes Pressure Tight Pressure Tight up to 260 C
Gears Corrosion Resistance Corrosion Resistance
Gears Friction & Wear Properties Low Co-efficient of Friction
Gears Friction & Wear Properties Wear Resistance
Gears Machining Properties Machinability, Good
Gears Mechanical Properties Moderate Strength
Restaurant Equipment Appearance Appearance
Restaurant Equipment Corrosion Resistance Corrosion Resistance
Restaurant Equipment Corrosion Resistance Corrosion Resistance to Fresh Water
Restaurant Equipment Corrosion Resistance Corrosion Resistance to Numerous Environments
Restaurant Equipment Corrosion Resistance Corrosion Resistance to Saline Solutions
Restaurant Equipment Machining Properties Machinability, Good
Restaurant Equipment Mechanical Properties Moderate Strength
Restaurant Equipment Pressure Tight Pressure Tight up to 260 C
Speed Reducers Corrosion Resistance Corrosion Resistance
Speed Reducers Friction & Wear Properties Low Co-efficient of Friction
Speed Reducers Friction & Wear Properties Wear Resistance
Speed Reducers Mechanical Properties Moderate Strength
Valve Bodies Friction & Wear Properties Wear Resistance
Valve Bodies Mechanical Properties Moderate Strength
Valve Bodies Pressure Tight Pressure Tight up to 260 C
Worm Gears Corrosion Resistance Corrosion Resistance
Worm Gears Friction & Wear Properties Low Co-efficient of Friction
Worm Gears Friction & Wear Properties Wear Resistance
Worm Gears Machining Properties Machinability, Good
Worm Gears Mechanical Properties Moderate Strength
Worm Wheels Corrosion Resistance Corrosion Resistance
Worm Wheels Friction & Wear Properties Low Co-efficient of Friction
Worm Wheels Friction & Wear Properties Wear Resistance
Worm Wheels Machining Properties Machinability, Good
Worm Wheels Mechanical Properties Moderate Strength
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Centrifugal Cast Castings ASTM B427 GEAR BRONZE ALLOY CASTINGS
Castings SAE J462 CAST COPPER ALLOYS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
As Continuous Cast Castings SAE J462 CAST COPPER ALLOYS
Castings ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
As Sand Cast Castings ASTM B427 GEAR BRONZE ALLOY CASTINGS
Castings SAE J462 CAST COPPER ALLOYS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Ingot ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No Corrosion Properties Available.