C64200

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Aluminum is the main alloying metal added to copper in aluminum bronze. A variety of aluminum bronzes of differing compositions have found industrial use, with most ranging from 5.00% to 11.00% aluminum by weight, the remaining mass being copper. Other alloying agents such as iron, nickel, manganese, and silicon are also oftentimes added. Aluminium bronzes are most valued for their high strength and corrosion resistance.

Info

Product Description: Aluminum Bronze
Tempers: HR50 DRAWN AND STRESS RELIEVED
Solids: 3/16" to 6" O.D.
Hex: 1/2" to 2" O.D.
Rectangles: Consult Mill
Standard Lengths: 144"

Typical Uses

Automotive: valve guides, automobile engine
Electrical: pole line hardware
Fasteners: nuts, bolts
Industrial: valve bodies, valve stems, gears, cams, valve components
Marine: hardware

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C64200 B150
B150M
  J461
J463
4631 QQ-C-465B AMD1    

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% Ni%2 Al% Mn% Si% As%
Chemical Composition according to ASTM B150/B150M-12(2017)

1Cu value includes Ag. %emsp;2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.
 
Rem.
 
0.05
 
0.20
 
0.50
 
0.30
 
0.25
6.30-
7.60
 
0.10
1.50-
2.20
 
0.15

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C64200 60 0.278

Mechanical Properties

Mechanical Properties according to ASTM B150/B150M-12(2017)

C64200

HR50 Drawn and Stress Relieved Temper

SIZE RANGE: UNDER 1/2" RO.D.
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
90 620 45 310 9 80-100
SIZE RANGE: 1/2" TO 1" RO.D. INCLUSIVE
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
85 585 45 310 12 80-100
SIZE RANGE: OVER 1" TO 2" RO.D. INCLUSIVE
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
80 550 42 290 12 80-100
SIZE RANGE: OVER 2" TO 3" RO.D. INCLUSIVE
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
75 517 35 241 15 70-95
SIZE RANGE: OVER 3" to 4" RO.D. INCLUSIVE (M30 as hot extruded)
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
70 483 30 207 15 65-95
SIZE RANGE: OVER 4" to 6" RO.D. INCLUSIVE (M30 as hot extruded)
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, 4x diameter or specimen thickness Rockwell "B" Hardness Remarks
Ksi MPa Ksi MPa % min to max BHN  
70 483 25 172 15 65-95

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1840° F 1004° C
Melting Point - Solidus 1800° F 982° C
Density 0.278 lb/in3 at 68° F 7.69 gm/cm3 at 20° C
Specific Gravity 7.69 7.69
Electrical Conductivity 8% IACS at 68° F 0.047 MegaSiemens/cm at 20° C
Thermal Conductivity 26 Btu · ft/(hr · ft2 · °F) at 68° F 45 W/m at 20° C
Coefficient of Thermal Expansion 10 · 10-6 per °F (68°-572° F) 17.3 · 10-6 per °C (20°-300° C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 16000 ksi 111310 MPa
Modulus of Rigidity 6000 ksi 41370 MPa

Fabrication Properties

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

Thermal Properties

Thermal Properties provided by CDA
Treatment Temp./Time - US Temp./Time - SI
Stress Temperature    
Solution Minimum    
Solution Maximum    
Solution Time    
Solution Medium    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum 1100 594
Annealing Maximum 1300 705
Annealing Time    
Hot Works Minimum 1300 705
Hot Works Maximum 1600 871

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