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Metals -> Aluminium alloy -> Alluminium antifriction alloys

Characteristics of the material N-2.5   ( N-2.5,   -2.5 ).

Material : N-2.5   ( N-2.5,   -2.5 )
Classification : Alluminium antifriction alloys


Chemical composition in % of the material N-2.5   ( N-2.5,   -2.5 ) .
Fe Si NiAl CuImpurity
max   0.5max   0.42.7 - 3.395.4 - 97.3max   0.3 other 0.1
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under =20o of the material N-2.5   ( N-2.5,   -2.5 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
cast in a metal mould     115-14043-6516-2427.5-33.5  


    Brinell hardness of the material   N-2.5   ( N-2.5,   -2.5 )   ,     cast in a metal mould HB 10 -1= 32 - 40   MPa


Physical properties of the material N-2.5   ( N-2.5,   -2.5 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 0.66 22.6 126 2800    


Friction coefficient of the material N-2.5   ( N-2.5,   -2.5 ) .
 Friction coefficient with oil : 0.0135
 Friction coefficient without oil : 0.3


Limiting operating condition of the material N-2.5   ( N-2.5,   -2.5 )
Load Speed Load * Speed Temperature
MPa m/s MPa * m/s Grade
19.515   100


Technological properties of the material N-2.5   ( N-2.5,   -2.5 ) .
 Melting temperature, C : 620 - 650



Specification :
Mechanical properties :
s - Tensile strength , [MPa]
sT - Yield stress, [MPa]
d5 - Specific elongation at fracture , [ % ]
y - Reduction of area , [ % ]
KCU - Impact strength , [ kJ / m2]
HB - Brinell hardness , [MPa]

Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion (range 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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