Nickel Aluminum Bronze C63000
Copper Alloy No. C63000
Nickel Aluminum Bronze ASTM B 150 CDA 630 , ASTM B171
Chemical Composition % by weight
Nickel Aluminum Bronze ASTM B 150 CDA 630 , ASTM B171
Chemical Composition % by weight
Element | Nominal | Minimum | Maximum |
Copper | 82 | Rem. | Rem. |
Iron | 3 | 2 | 4 |
Tin | - | - | .20 |
Zinc | - | - | .30 |
Aluminum | 10 | 9 | 11 |
Manganese | - | - | 1.5 |
Silicon | - | - | .25 |
Nickel (incl. Co) | 5 | 4 | 5.5 |
Applications
Nuts, bolts, valve seats, plunger tips, marine shafts, valve guides, aircraft parts, pump shafts, structural members.
Common Fabrication Processes
Hot forming, forging, machining.
Mechanical Properties
Typical for 1" Rod Half Hard (10%) Temper
Hardness* | Rockwell B Scales | 98 |
Tensile Strength** | KSI | 118 |
Yield Strength** (.5% EAU) | KSI | 75 |
Elongation** | % in 2 inch | 15 |
**Test values are nominal approximations and depend on specimen size and orientation.
Physical Properties
Thermal Conductivity | BTU/ (sq ft-ft-hr-F) | 22.6 |
Specific Heat | BTU/lb/ºF @ 68F | .09 |
Thermal Expansion | Per °F from 68 F to 572 F | .0000090 |
Density | lb/cu in @ 68 F | .274 |
Electrical Conductivity* (Annealed) | % IACS @ 68 F | 7 |
Modulus of Elasticity (Tension) | KSI | 17,500 |
*Volume basis
Fabrication Properties
Capacity for being cold worked | Poor |
Capacity for being hot formed | Good |
Machinability Rating (Free Cutting Brass=100) | 30 |
Suitability for being joined by: | Soldering/Not Recommended |
Brazing/Fair | |
Oxyacetylene Welding/Not Recommended | |
Gas Shielded Arc Welding/Good | |
Coated Metal Arc Welding/Good | |
Resistance Welding | Spot/Good |
Seam/Good | |
Butt/Good |