C65500 High Silicon Bronze "A"

The silicon bronze C65500 is a high strength, engineering alloy with having resistance against corrosion from fresh and salt water, acids, alkalies, salts and organic chemicals. The alloy is not suitable to be used with sulfides, nitric acid, acid chromates or oxidizing salts such as ferric chloride. The alloy possess strength, resilience and formability and is non-sparking, galling resistant and fatigue resistant.

The applications of C65500 include electrical conduit, pump shafts, valve stems, tie rods, fasteners, marine and pole-line hardware, nuts, bolts, screws, rivets, nails, bushings, screen cloth and wire.

Typical Uses :

  • Electrical: Sculptures,Electrical,Pole Line Hardware,Motors,Rotor Bar
  • Fasteners: Screws,Rivets,Burrs,Nuts,Nails,Cotter Pins,Clamps,Bolts,Hinges
  • Industrial: Screen Cloth,Wear Plates,Screen Plates,Shafting,Wire,Welded Pressure Vessels,Oil Refinery Plumbing Tube,Bearing Plates,Butts
  • Marine:  Vessel Hardware ,Propeller Shaft
Equivelent Specifications:
Specifications Designation
ISO CuSi3Mn1
European CuSi3Mn1
BS CS 101
Russian BrKMo3-1
Chemical Composition:
Cu Fe Pb Mn Ni Si Zn
Min/Max Rem 0.8 0.05 0.50 – 1.3 0.6 2.8 – 3.8 1.5
Nominals 97.0000 0.9000 3.0000
End Product Specification
Bar SAE J463, J461
Bar, Forging ASTM B124
Bar, Rolled, Pressure Vessels ASME SB96, ASTM B96
Bolts ASTM F468
Forgings, Die ASTM B283
Nuts ASTM F467
Pipe ASME SB315, ASTM B315
Plate ASME SB96, ASTM B96
Plate, Bridge and Bearing ASTM B100
Plate, Clad ASTM B432
Plate, Pressure Vessels ASME SB96, ASTM B96
Rod ASME SB98, ASTM B98, SAE J461, J463
Rod, Forging ASTM B124
Screws ASTM F468
Shapes ASME SB98, ASTM B98, SAE J461, J463
Shapes, Forging ASTM B124
Sheet ASME SB96, ASTM B96, SAE J461, J463
Sheet, Bridge and Bearing ASTM B100
Sheet, Pressure Vessels ASME SB96, ASTM B96
Strip ASME SB96, ASTM B96, SAE J461, J463
Studs ASTM F468
Wire ASTM B105, B99
Joining Technique Suitability
Brazing Excellent
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Fair
Forgeability Rating 40
Gas Shielded Arc Welding Excellent
Machinability Rating 30
Oxyacetylene Welding Good
Seam Weld Excellent
Soldering Good
Spot Weld Excellent
Physical Properties:
Product Property US Customary Metric
Coefficient of Thermal Expansion 10.0 ·10-6 per oF (68-212 F) 18.0 ·10-6 per oC (20-100 C)
Density 0.308 lb/in3 at 68 F 8.53 gm/cm3 @ 20 C
Electrical Conductivity 7 %IACS @ 68 F 0.041 MegaSiemens/cm @ 20 C
Electrical Resistivity 148.0 ohms-cmil/ft @ 68 F 24.6 microhm-cm @ 20 C
Melting Point – Liquidus 1880 F 1027 C
Melting Point – Solidus 1780 F 971 C
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Modulus of Rigidity 5600 ksi 38610 MPa
Specific Gravity 8.53 8.53
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 K
Thermal Conductivity 21.0.0 Btu · ft/(hr · ft2·oF)at 68F 36.3 W/m · oK at 20 C
Sizes Available
ROUND RODS 8mm To 70 mm
HEX 10mm To 60mm
SQUARE 10mm To 60mm
FLAT 10mm Min Thickness and max Width 120mm
BILLETS Up to 200 mm
INGOTS As per Specification

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