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*ALLOY 630 NICKEL ALUMINUM BRONZE

COMMON FABRICATION PROCESSES AND TYPICAL USES

CHEMICAL COMPOSITION

	Cu	Al	Fe	Mn	Ni	Si	Sn	Zn
Min/Max	Rem.	9.0-11.0	2.0-4.0	1.5	4.0-5.5	0.25	0.2	0.3
Nominal	82	10	3		5

COMMON FABRICATION PROCESSES FOR 630 NICKEL ALUMINUM BRONZE

Forging, hot forming

FABRICATION PROPERTIES

Joining Technique	Suitability
Soldering	Not Recommended
Brazing	Fair
Oxyacetylene Welding	Not Recommended
Gas Shielded Arc Welding	Good
Coated Metal Arc Welding	Good
Spot Weld	Good
Seam Weld	Good
Butt Weld	Good
Capacity for Being Cold Worked	Poor
Capacity for Being Hot Formed	Good
Forgeability Rating: 75
Machinability Rating: 30

Product Forms
Bar
Rod
Shapes

TYPICAL USES OF 630 NICKEL ALUMINUM BRONZE

Industrial
Valve seats, plunger tips, condenser tube for power stations and desalting units, shafting, pump parts, cams, gears, valve guides, aircraft parts, pum shafts, structural members, corrosion resistant articles, hudraulic bushings for earth moving equipment, valve balls, bushing, bearings, heat exchanger flanges, heat exchanger headers, tanks, welded piping systems, balls
Marine
Nuts, ship propellers, pump parts, bolts, propellers
Plumbing
Faucets


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