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Metals -> Precision alloy -> Magnetically soft precision alloy

Characteristics of the material 81NM   ( 81NM,   81 ).

Material : 81NM   ( 81NM,   81 )
Classification : Magnetically soft precision alloy


Chemical composition in % of the material 81NM   ( 81NM,   81 ) .
Fe C Si Mn Ni S P Mo Ti
9.32 - 12.3max   0.01max   0.1max   0.3580.5 - 81.7max   0.01max   0.014.7 - 5.22.5 - 3.3


    Brinell hardness of the material   81NM   ( 81NM,   81 )   ,       HB 10 -1= 160 - 260   MPa


Physical properties of the material 81NM   ( 81NM,   81 ) .
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 2.1     8700    



Specification :

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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