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C64200 Silicon Aluminum Bronze

C64200 Silicon Aluminum Bronze
C64200 Silicon Aluminum Bronze
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Product Code : c64200
Brand Name : Shree Extrusions Limited
Product Description
Empowered by immense experience in this domain, we are engaged in manufacturing, exporting and supplying supreme quality assortment of C64200 Silicon Aluminum Bronze. Available in various lengths and finishes, this bronze is suitable for making fitting components, electrical components, automotive parts and many more. Provided bronze is manufactured using the finest quality aluminum and copper as per international industry standards. Clients can avail this C64200 Silicon Aluminum Bronze from us at industry leading prices.


  • Fine finish

  • Corrosion resistance

  • Good ductility

  • Excellent weldability

C64200 Silicon Aluminum Bronze

ASTM B249, QQ-C-465, AMS 4631, AMS 4634, EU Designation: CuAl7Si2, CW302G
The C64200 silicone aluminum alloy is an engineering alloy which is resistant to corrosion as copper and is much stronger. Is is manufactured in round, hexagonal and octagonal rods for hot forming and free machining. It is considered as best valve stem alloy and its other applications include gears, marine hardware, nuts, pole line hardware, and valve bodies and components.

Typical Uses :
Automotive :  Valve Guides, Automobile Engine
Electrical:  Pole Line Hardware
Fasteners:  Bolts, Nuts
Industrial: Valve Components, Valve Bodies, Gears, Valve Stems, Cams
Marine:  Hardware

Equivelent Specifications:

Specifications Designation

ISO CuAl7Si2

European CuAl7Si2

UNS C64210

Chemical Composition:
  Al As Cu Fe Pb Mn Ni Si Sn Zn
Min/Max 6.3 - 7.6 0.15 Rem 0.3 0.05 0.1 0.25 1.5 - 2.2 0.2 0.5
Nominals 7 - 91.2 - - - - 1.8 - -

Specifications :
End Product Specification
Bar AMS 4631, ASME SB150, ASTM B150
Bar, Forging ASTM B124
Bolts ASTM F468
Forgings, Die AMS 4631, ASME SB283, ASTM B283
Nuts ASTM F467
Rod AMS 4631, ASME SB150, ASTM B150, SAE J463, J461
Rod, Forging ASTM B124
Screws ASTM F468
Shapes ASTM B150
Shapes, Forging ASTM B124
Studs ASTM F468

Fabrication :
Joining Technique Suitability
Brazing Fair
Butt Weld Fair
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Coated Metal Arc Welding Fair
Gas Shielded Arc Welding Fair
Machinability Rating 80
Oxyacetylene Welding Not Recommended
Seam Weld Fair
Soldering Not Recommended
Spot Weld Fair

Physical Properties :
Product Property US Customary Metric
Coefficient of Thermal Expansion 10.0 ·10-6 per oF (68-572 F) 18.0 ·10-6 per oC (20-300 C)
Density 0.278 lb/in3 at 68 F 7.7 gm/cm3 @ 20 C
Electrical Conductivity 8 %IACS @ 68 F 0.047 MegaSiemens/cm @ 20 C
Electrical Resistivity 113.0 ohms-cmil/ft @ 68 F 18.79 microhm-cm @ 20 C
Melting Point - Liquidus 1840 F 1004 C
Melting Point - Solidus 1800 F 982 C
Modulas of Elasticity in Tension 16000 ksi 110000 MPa
Modulus of Rigidity 6000 ksi 41370 MPa
Specific Gravity 7.69 7.69
Specific Heat Capacity 0.09 Btu/lb/·oF at 68F 377.1 J/kg ·oK at 293 K
Thermal Conductivity 26.0 Btu · ft/(hr · ft2·oF)at 68F 45.0 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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