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C64200 Rod
Silicon Aluminum Bronze ASTM B150
C642 | 642 | CDA642 | CA642 | 64200

Copper Aluminum Arsenic Iron Lead Manganese Nickel Silicon Tin Zinc 
Balance 6.3-7.6% 0.15% Max. 0.3% Max. 0.05% Max. 0.1% Max. 0.25% Max. 1.5-2.2% 0.2% Max. 0.5% Max. 

Description

C64200 is an engineering alloy at least as resistant to corrosion as copper itself, but much stronger. C642 is manufactured mostly in the form of round, hexagonal, and octagonal rods for hot forming and free machining. C64200 is considered to be of the best valve stem alloys.

Features
  • Resistant to corrosion as copper itself
  • Stronger than copper
  • Best valve stem alloys
Meets AMS-4634 Specifications (The following are also available upon request:)
  • AMS-4634
  • SAE-J461
  • ASTM-B150
  • SAE-J463
  • QQ-C-465B
Forms Available

Hex0.5" to 2" Across the Flats Request a Quote!
Solid BarDiameter 0.188" to 6"Request a Quote!

Physical Properties
 
Density0.278Lbs. per cubic inch @ 68°F (annealed)
Modulus16Elastic modulus in tension x 106 P.S.I.
Electrical Conductivity8% IACS at 68°F (annealed)
Thermal Conductivity26BTU per foot per hour per °F at 68°F (annealed)
Thermal Expansion10Inches per inch x 10-6 from 68°F to 572°F

Mechanical Properties
 
Tensile StrengthYield OffsetElongationHardness
x 1000 P.S.I.0.2% offset x 1000 P.S.I.% in 2 Inches
HR50 Hard
0.188" - 0.500" Diam.
90459-
HR50 Hard
>0.500" - 1.000" Diam.
854512B 80 - 100
HR50 Hard
>1.000" - 2.000" Diam.
804212B 80 - 100
HR50 Hard
>2.000" - 6.000" Diam.
753515B 70 - 95

Hardness Legend  B : Rockwell (100 kgf Steel Sphere)  

NOTE: The information contained herein are intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. It is given without obligation or liability. Contact us for manufacturers' complete material property datasheets.

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