C91700 Alloy

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Find suppliers for this alloy C91700 C91700 Nickel Gear Bronze Cast BRONZES Copper-Tin Alloys (Tin Bronzes) true false https://api.copper.org/alloys.xhtml/C91700 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 (%) 84.0 11.3 1.2
Max (%) 87.0 0.25 12.5 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 50 Min for Standard 60 Typ 28 Min for Standard32 Typ 12 Min for Standard16 Typ 95 Min for Standard106 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 Standard22 Typ 10 Min for Standard16 Typ 65 Min for Standard85 Typ 16 Typ
Physical Properties
Melting Point - Liquidus°F 1859
Melting Point - Solidus°F 1563
Densitylb/cu in. at 68°F 0.316
Specific Gravity 8.75
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 15000
Magnetic Permeability 1
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
Industrial Conprise Gears Corrosion Resistance Corrosion Resistance
Conprise Gears Corrosion Resistance Corrosion Resistance to Numerous Environments
Conprise Gears Friction & Wear Properties Wear Resistance
Conprise Gears Mechanical Properties Moderate Strength
Heavy Load, Relatively Low Speed Bearings Corrosion Resistance Corrosion Resistance
Heavy Load, Relatively Low Speed Bearings Corrosion Resistance Corrosion Resistance to Numerous Environments
Heavy Load, Relatively Low Speed Bearings Friction & Wear Properties Wear Resistance
Heavy Load, Relatively Low Speed Bearings Mechanical Properties Moderate Strength
Worm Gears Corrosion Resistance Corrosion Resistance
Worm Gears Corrosion Resistance Corrosion Resistance to Numerous Environments
Worm Gears Friction & Wear Properties Wear Resistance
Worm Gears Mechanical Properties Moderate Strength
Worm Wheels Corrosion Resistance Corrosion Resistance
Worm Wheels Corrosion Resistance Corrosion Resistance to Numerous Environments
Worm Wheels Friction & Wear Properties Wear Resistance
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
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.

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