C92700 chemical and mechanical capabilities.

1. Page 1 of 10
Copper Alloy Data
C92700
C92700
Tradename: Leaded Tin Bronze
Designation:
Active? true
Inactive Date:
US EPA Registered Antimicrobial? false
Chemical Composition
Elements
Cu
(1,2)
Pb Sn Zn Fe P
(3)
Ni
(4)
Al S Sb Si
Min (%) 86.0 1.0 9.0
Max (%) 89.0 2.5 11.0 0.7 0.20 0.25 1.0 0.005 0.05 0.25 0.005
(1) Cu + Sum of Named Elements 99.3% 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.

2. Page 2 of 10
Mechanical Properties *
Form Temper Temper Code
Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%) Brinell Hardness, 500 kg load
As Continuous Cast As Continuous Cast M07
38 Min for Standard
38 Min for Standard
20 Min for Standard
8 Min for Standard
8 Min for Standard
As Sand Cast As Sand Cast M01
35 Min for Standard
42 Typ
21 Typ
10 Min for Standard
20 Typ
77 Typ
* Measured at room temperature, 68°F (20°C).

3. Page 3 of 10
Physical Properties
Melting Point - Liquidus°F 1800
Melting Point - Solidus°F 1550
Densitylb/cu in. at 68°F 0.317
Specific Gravity 8.78
Electrical Conductivity% IACS at 68°F 11
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 27.2
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 10
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000
Incipient Melting°F 600

4. Page 4 of 10
Casting Characteristics
Casting Attribute Level
Casting Yield Medium
Drossing Low
Effect of Section Size High
Fluidity Medium
Gassing Medium
Patternmakers Shrinkage inches per foot 3/16
Shrinkage in Solidification Low

5. Page 5 of 10
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 45

6. Page 6 of 10
Common Fabrication Processes
No fabrication process properties for this alloy
Thermal Properties
Treatment Value
*
Time
**
Stress Relief 500
Solution Treatment 0
*
Temperature is measured in Fahrenheit.
**
Time is measured in minutes.

7. Page 7 of 10
Typical uses
Product Category Product Reason Category Reason
Fasteners
Lead Screw Nuts Corrosion Resistance Corrosion Resistance
Lead Screw Nuts Corrosion Resistance Corrosion Resistance to Numerous Environments
Lead Screw Nuts Machining Properties Machinability, Good
Lead Screw Nuts Mechanical Properties Moderate Strength

8. Page 8 of 10
Product Category Product Reason Category Reason
Industrial
Bearings Corrosion Resistance Corrosion Resistance
Bearings Corrosion Resistance Corrosion Resistance to Numerous Environments
Bearings Friction & Wear Properties Wear Resistance
Bearings Machining Properties Machinability, Good
Bearings Mechanical Properties Moderate Strength
Bushings Corrosion Resistance Corrosion Resistance
Bushings Friction & Wear Properties Wear Resistance
Bushings Mechanical Properties Moderate Strength
Gears Corrosion Resistance Corrosion Resistance
Gears Friction & Wear Properties Wear Resistance
Gears Mechanical Properties Moderate Strength
Heavy Duty Bearings Corrosion Resistance Corrosion Resistance
Heavy Duty Bearings Corrosion Resistance Corrosion Resistance to Numerous Environments
Heavy Duty Bearings Friction & Wear Properties Wear Resistance
Heavy Duty Bearings Machining Properties Machinability, Good
Heavy Duty Bearings Mechanical Properties Moderate Strength
Pump Impellers Corrosion Resistance Corrosion Resistance
Pump Impellers Corrosion Resistance Corrosion Resistance to Fresh Water
Pump Impellers Corrosion Resistance Corrosion Resistance to Numerous Environments
Pump Impellers Corrosion Resistance Corrosion Resistance to Saline Solutions
Pump Impellers Friction & Wear Properties Wear Resistance
Pump Impellers Mechanical Properties Moderate Strength
Pump Pistons Corrosion Resistance Corrosion Resistance
Pump Pistons Corrosion Resistance Corrosion Resistance to Fresh Water
Pump Pistons Corrosion Resistance Corrosion Resistance to Numerous Environments
Pump Pistons Corrosion Resistance Corrosion Resistance to Saline Solutions
Pump Pistons Friction & Wear Properties Wear Resistance
Pump Pistons Machining Properties Machinability, Good
Pump Pistons Mechanical Properties Moderate Strength
Steam Fittings Corrosion Resistance Corrosion Resistance
Steam Fittings Corrosion Resistance Corrosion Resistance to Fresh Water
Steam Fittings Corrosion Resistance Corrosion Resistance to Numerous Environments
Steam Fittings Corrosion Resistance Corrosion Resistance to Saline Solutions
Steam Fittings Friction & Wear Properties Wear Resistance
Steam Fittings Mechanical Properties Moderate Strength
Steam Fittings Mechanical Properties Retains Strength at Elevated Temperatures

9. Page 9 of 10
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
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
ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
As Sand Cast
Castings SAE J462 CAST COPPER ALLOYS
Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Ingot
ASTM B30 COPPER BASE ALLOYS IN INGOT FORM

10. Page 10 of 10
Corrosion Properties
No Corrosion Properties Available.