C90500

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SPECIFICATION CROSS-REFERENCE CHART

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: Tin Bronze
Solids: 1/2" to 10" OD
Tubes: 1" to 16" OD
Rectangles: Up to 20"
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

Building: heavy construction equipment
Electrical: connectors
Fasteners: nuts
Industrial: clamps, bushings, bearings, piston rings, pump bodies, valves, seal rings, worm gears, expansion bearings, pump impellers, valve bodies, gears, gear blanks, finishing dies for wood pulp industry
Plumbing: water conditioners, steam fittings

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C90500 B505
B22
B143,A
100 62
J461
J462
4845 QQ-C-390, D6
QQ-B-1005, COMP 16
MIL-B-11553, COMP 16 GUN METAL

Chemical Composition

Alloy Cu%1 Sn% Pb% Zn% Fe% Ni%2 Sb% P%3 S% Al% Si%
    Chemical Composition according to ASTM B505/B505M-14
    1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.   3For continuous castings, P shall be 1.5%, max.
    Note: Cu + Sum of Named Elements, 99.7% min. Single values represent maximums.
C90500 86.00-
89.00
9.00-
11.00
 
0.30
1.00-
3.00
 
0.20
 
1.00
 
0.20
 
1.5
 
0.05
 
0.005
 
0.005

Mechanical Properties (according to ASTM B505-08)

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Brinell Hardness (min) Remarks
Ksi MPa Ksi MPa      
44 303 25 172 10 N/A

Machinability

Alloy Rating Density
C90500 30 0.315

Physical Properties (provided by CDA)

  US Customary Metric
  • * Field Strength 16 kA/m
Melting Point - Liquidus 1830° F 999° C
Melting Point - Solidus 1570° F 854° C
Density 0.315 lb/in3 at 68° F 8.72 gm/cm3 at 20° C
Specific Gravity 8.72 8.72
Electrical Resistivity 940 ohms-cmil/ft at 68° F 15.63 microhm-cm at 20° C
Electrical Conductivity 11% IACS at 68° F 0.064 MegaSiemens/cm at 20° C
Thermal Conductivity 43.20 Btu · ft/(hr · ft2·°F) at 68° F 74.8 W/m at 20° C
Coefficient of Thermal Expansion 11.0 · 10-6 per °F (68°-572° F) 19.8 · 10-6 per °C (20°-300° C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 15000 ksi 103400 MPa
Magnetic Permeability* 1.0 1.0

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 (provided by CDA)

Treatment Temp./Time - US Temp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum
Solution Time 0.0
Solution Medium None
Precipitation Value    
Precipitation Time    
Precipitation Medium None
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum    

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