COPPER & COPPER ALLOY PRODUCTS
WROUGHT COPPER ALLOYS
CONTINUOUS CAST COPPER ALLOYS
CENTRIFUGAL CAST COPPER ALLOYS
MADE TO ORDER COPPER ALLOYS
FINISHED MACHINE PARTS
HYDRAULIC & PNEUMATIC PARTS
CONTINUOUS CAST PRODUCTION
COPPER ALLOY DATABASE
CONTINUOUS CAST IRON PRODUCTS
QUALITY CONTROL PROCEDURES
NEW PRODUCTS & IMPROVEMENTS
red.gif (248 bytes) ONLINE INQUIRY FORM

 

Copper Alloy No. C95200

Aluminum Bronze CDA 952 , Grade A

ASTM B 505 , ASTM B 271

Chemical Composition % by weight

Element Nominal Minimum Maximum
Copper 87.7 86 Rem.
Lead - - -
Iron 3.3 2.5 4
Nickel (incl Co) - - -
Aluminum 9 8.5 9.5
Manganese - - -
Magnesium - - -
Silicon - - -
Zinc - - -
Tin - - -

Applications

Bearings and bushings, acid resistant pumps, gears, guides, pump rods, gun mounts and slides, plungers, valve seats.

Mechanical Properties (as cast)

M07 - As Continuous Cast

Hardness* Brinell Hardness (3000 kg load) 110 min
Tensile Strength** KSI 68 min
Yield Strength ** KSI (0.5% Ext. under load) 26 min
Elongation** % in 2 inch 20 min

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 29.1
Specific Heat BTU/lb/F @ 68F .09
Thermal Expansion Per F from 68 F to 572 F .000009
Density lb/cu in @ 68 F .276
Electrical Conductivity % IACS @ 68 F 11
Modulus of Elasticity KSI 15,000

*Volume basis

Fabrication Practices

Stress relieving temperature 600 F or 315 C
Time at temperature 1 hour per inch of section thickness
Responds to heat treatment Yes
Time at temperature 1 hour per inch of section thickness
Machinability rating (Free Cutting Brass=100) 20
Suitability for being joined by: Soldering/Good
Brazing/Good
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Excellent
Coated Metal Arc Welding/Good

The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.