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C65100

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C65100

C65100 Low Silicon Bronze “B” is an engineering alloy resistant to corrosion as copper itself, but much stronger, and with good fatigue endurance. The alloy is appreciated for its brazing ability, strength, corrosion resistance and electrical properties and serves as one of the most weldable copper alloys. The alloy can be joined by using resistance welding, soldering or brazing. The alloy is joined by gas shield arc welding, spot welding and also by oxyacetylene welding.

Typical Uses :

  • Electrical: Conduit, Pole Line Hardware, Motor, Rotor Bars
  • Fasteners: Bolts, Cable Clamps, Cap Screws, Machine Screws, Nuts, Rivets, U Bolts, Fasteners, Screws
  • Industrial: Oil Refinery Plumbing Tube, Heat Exchanger Tube, Welding Rod, Hydraulic Pressure Lines
  • Marine:  Hardware

CHEMICAL COMPOSITION

Cu Fe Pb Mn Si Zn
Min/Max Rem 0.8 0.05 0.7 0.80 – 2.0 1.5
Nominals 98.5 1.5

Fabrication

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
Gas Shielded Arc Welding Excellent
Machinability Rating 30
Oxyacetylene Welding Good
Seam Weld Good
Soldering Excellent
Spot Weld Excellent

Physical Properties

Product Property US Customary Metric
Coefficient of Thermal Expansion 9.9 ·10-6 per oF (68-212 F) 17.8 ·10-6 per oC (20-100 C)
Density 0.316 lb/in3 at 68 F 8.75 gm/cm3 @ 20 C
Electrical Conductivity 12 %IACS @ 68 F 0.07 MegaSiemens/cm @ 20 C
Electrical Resistivity 86.4 ohms-cmil/ft @ 68 F 14.36 microhm-cm @ 20 C
Melting Point – Liquidus 1940 F 1060 C
Melting Point – Solidus 1890 F 1032 C
Modulas of Elasticity in Tension 17000 ksi 117000 MPa
Modulus of Rigidity 6400 ksi 44130 MPa
Specific Gravity 8.75 8.75
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 K
Thermal Conductivity 33.0 Btu · ft/(hr · ft2·oF)at 68F 57.1 W/m · oK at 20 C

Sizes Available

ROUND RODS/BARS 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

C65100

C65100 Low Silicon Bronze “B” is an engineering alloy resistant to corrosion as copper itself, but much stronger, and with good fatigue endurance. The alloy is appreciated for its brazing ability, strength, corrosion resistance and electrical properties and serves as one of the most weldable copper alloys. The alloy can be joined by using resistance welding, soldering or brazing. The alloy is joined by gas shield arc welding, spot welding and also by oxyacetylene welding.

Typical Uses :

  • Electrical: Conduit, Pole Line Hardware, Motor, Rotor Bars
  • Fasteners: Bolts, Cable Clamps, Cap Screws, Machine Screws, Nuts, Rivets, U Bolts, Fasteners, Screws
  • Industrial: Oil Refinery Plumbing Tube, Heat Exchanger Tube, Welding Rod, Hydraulic Pressure Lines
  • Marine:  Hardware

CHEMICAL COMPOSITION

Cu Fe Pb Mn Si Zn
Min/Max Rem 0.8 0.05 0.7 0.80 – 2.0 1.5
Nominals 98.5 1.5

Fabrication

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
Gas Shielded Arc Welding Excellent
Machinability Rating 30
Oxyacetylene Welding Good
Seam Weld Good
Soldering Excellent
Spot Weld Excellent

Physical Properties

Product Property US Customary Metric
Coefficient of Thermal Expansion 9.9 ·10-6 per oF (68-212 F) 17.8 ·10-6 per oC (20-100 C)
Density 0.316 lb/in3 at 68 F 8.75 gm/cm3 @ 20 C
Electrical Conductivity 12 %IACS @ 68 F 0.07 MegaSiemens/cm @ 20 C
Electrical Resistivity 86.4 ohms-cmil/ft @ 68 F 14.36 microhm-cm @ 20 C
Melting Point – Liquidus 1940 F 1060 C
Melting Point – Solidus 1890 F 1032 C
Modulas of Elasticity in Tension 17000 ksi 117000 MPa
Modulus of Rigidity 6400 ksi 44130 MPa
Specific Gravity 8.75 8.75
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 K
Thermal Conductivity 33.0 Btu · ft/(hr · ft2·oF)at 68F 57.1 W/m · oK at 20 C

Sizes Available

ROUND RODS/BARS 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