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铍铜、磷青铜、铍青铜、铝青铜,氧化铝铜,钼铜合金优质供应商,品质包管
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AMS-铜合金
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说明:


      逾越普通青铜合金的性能

      无火花性能 ,机加宁静


     AMS-4881是一种拥有无与伦比的高强度和挤出性能的合金产品。它在特定条件下体现精彩 ,特别是重负载、抗摩擦、耐磨损和抗腐化的情况。




Technical Data Sheet


Copper alloy NO:AMS-4881

Centrifugal Castings


Chemical composition:


AL(Aluminium)


FE(Iron)

Others

NI(Nickel)

MN(Manganese)

CU(Copper)


10.5-12.5


4.8-5.5

≤0.15-2.5

5.0-6.5

1.5-2.5

balance


Mechanical and physical properties:

 properties


Density

ρ  


Tensile strength Rm

Tensile strength Rm

Electrical conductivity

Elongation A5

Hardness

Thermal conductivity λ


Units


gcm3

MPa

MPa

% I.A.C.S

%

HBW

Wm.K


Nominal Values


7.55

930

724

8.2-10.6

6-10


293-300


42-48


APPLICATIONS:

     AMS 4881 was initially developed as an aircraft specification alloy for gears in retractable landing assemblies, engine spacer bearings and other similar applications.  It is rapidly growing in use where higher mechanical properties at elevated temperatures together with corrosion-resistant properties are required.


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