AMS 4881 Nickel Aluminum Bronze
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of ams 4881 nickel aluminum bronze in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount ams 4881 nickel aluminum bronze for sale here from our factory. Customized orders are welcome.
Nickel Aluminium Bronze AMS 4881 (UNS C99520)
AMS 4881 / C95520
AMS 4881 is offered in solid and hollow bars. The additional heat treating process improves mechanical properties and the strength to weight ratio exceeding the range of typical aluminum bronzes. AMS 4881 is commonly used in applications involving heavy loads abrasion, friction, and deformation at high temperatures. In many cases AMS 4881 can replace AMS 4590/C63020 with the advantage of this material being available in tube form, which provides economic cost savings to you the customer.
Typical Applications
AEROSPACE: Landing Gear Bushings and Bearings
INDUSTRIAL: Corrosion Resistant Parts, Wear Rings, Machine Tool Parts, Piston Guides, Worm Wheels
MARINE: Propeller Hubs, Wear Rings, Hardware, Worm Gears, Shafts, Sleeves
Technical Data Sheet
| Chemical Composition Limits | |||||||||||
| Weight % | Cu | Al | Cr | Co | Fe | Pb | Mn | Ni | Si | Sn | Zn |
| AMS 4881 | 74.5 min | 10.5-11.5 | 0.05 | 0.2 | 4.0-5.5 | 0.03 | 1.5 | 4.2-6.0 | 0.15 | 0.25 | 0.30 |
Nickel Alumimium Bronze - Solid Bar AMS 4881. The additional heat treating process improves mechanical properties and the strength to weight ratio exceeding the range of typical aluminum bronzes. UNS C99520 is commonly used in applications involving heavy loads abrasion,friction, and deformation at high temperatures. In many cases UNS C99520 can replace UNS C63020 with the advantage of this material being available in tube form, which provides economic cost savings to you the customer.
Typical Mechanical Properties
| Material | Type |
Tensile Strength ksi |
Yield Strength ksi | Elongation 4D % |
| AMS 4881 Separately Cast Specimins | Sand Cast | 125 | 95 | 2 |
| AMS 4881 Separately Cast Specimins | Centifugally | 130 | 95 | 3 |
Physical Properties - AMS 4881 Nickel Aluminium Bronze
Melting Point - Liquidus - 1930 F
Melting Point - Solidus - 1900 F
Density - 0.272 lb/in 3 at 68 F
Specific Gravity - 7.53
Electrical Resistivity - 122.8 ohms-cmil/ft @ 68
Electrical Conductivity - 8.5 %IACS @ 68 F
Thermal Conductivity - 24.2 Btu · ft/(hr · ft2· o F)
Coefficient of Thermal Expansion - 9.0 ·10 -6 per o F (68-572
Specific Heat Capacity - 0.1 Btu/lb/o F at 68 F
Modulus of Elasticity in Tension - 16000 ksi
Magnetic Permeability - 1.2
Machinability Rating - 50
Availability
Nickel Aluminium Bronze
Sizes available: AMS 4881
SOLID BAR 1/2" - 8" diameter
HOLLOW BAR 5/8" - 2 1/2"
For all other stock availability contact Sales.
Specifications
Continuous
ASTM B-505
AMS 4881
SAE J462, J461
Centrifugal
ASTM B-271
DELTA AB29
UNS C95520
Euro Equivalents Designation
CuAl10Fe5Ni5-B | CB333G
Standard
EN 1982 : 1998-11
Typical Uses of 4881 Nickel Aluminium Bronze
Oil & Gas - Rock Bit Bearings, Bushings, & Washers, BOP Parts, Wellhead Components
Aerospace - Landing Gear Bushings and Bearings
Automotive - Bearings, Off-Highway Truck Bushings, Forming Roll,Bearings
Marine - Pump Parts, Bushings
Industrial - Cams, Shafting, Hydraulic Bushings for Earth Moving, Equipment, Valve Balls, Cryogenics, Drill Guide Bushings
Military - Tank Track Bearings, Bushings, Aircraft Components
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