C91600

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SPECIFICATION CROSS-REFERENCE CHART

Cast

Tin bronze alloys are typically found in gear, high-strength bushing and bearing applications where high strength and low speeds and heavy loads are present. Other high-strength applications for these alloys are pump impellers, piston rings, steam fittings and valve bodies. Tin bronze castings are utilized in movable bridge components, turntables for bridges and other structures for fixed and expansion bearings with slow or intermittent movement with heavy loads.

Info

Product Description: High Tin Bronze
Solids: 1" to 6" O.D.
Tubes: 1" to 6" O.D.
Rectangles: Up to 10"
Standard Lengths: 144"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

Typical Uses

Fasteners: nuts
Industrial: fittings, bearings, pump impellers, piston rings, stream castings, gears, bushings

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C91600         QQ-C-390, F1    

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% P%2 Ni%3 Al% S% Sb% Si%
Chemical Composition according to ASTM B427-09(2015)

1In determining Cu min., Cu may be calculated as Cu + Ni.   2For continuous castings, P shall be 1.5%, max.   3Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.4% min. Single values represent maximums.
86.00-
89.00
 
0.25
9.70-
10.80
 
0.25
 
0.20
 
0.30
1.20-
2.00
 
0.005
 
0.05
 
0.20
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C91600 20 0.320

Mechanical Properties

Tensile Strength, typ Yield Strength, at .5% Extension Under Load, typ Elongation, in 2 in. or 50 mm typ Brinell Hardness (500 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
44 303 22 152 16 85
Mechanical Properties according to ASTM ASTM B427-09(2015)

Physical Properties

Physical Properties provided by CDA
  US Customary Metric
Melting Point - Liquidus 1887 °F 1031 °C
Melting Point - Solidus 68 °F 857 °C
Density 0.32 lb/in3 at 68 °F 8.86 gm/cm3 at 20 °C
Specific Gravity 8.86 8.86
Electrical Conductivity 10% IACS at 68 °F 0.058 MegaSiemens/cm at 20 °C
Thermal Conductivity 40.8 Btu/sq ft/ft hr/°F at 68 °F 70.6 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 9.0 · 10-6 per °F (68-392 °F) 15.5 · 10-6 per °C (20-200 °C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 293 °C
Modulus of Elasticity in Tension 16000 ksi 110000 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair

Thermal Properties

Thermal Properties provided by CDA
Treatment Temp./Time - US Temp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum    
Solution Time 0.0  
Solution Medium    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum    
Annealing Maximum    
Annealing Time    
Hot Works Minimum    
Hot Works Maximum    

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