Metals -> Precision alloy -> Magnetically soft precision alloy Characteristics of the material 79NM ( 79NM, 79НМ ).
Material : 79NM ( 79NM, 79НМ ) Classification : Magnetically soft precision alloy
Chemical composition in % of the material 79NM ( 79NM, 79НМ ) . Fe C Si Mn Ni S P Mo Ti Al Cu 13.73 - 16.8 max 0.03 0.3 - 0.5 0.6 - 1.1 78.5 - 80 max 0.02 max 0.02 3.8 - 4.1 max 0.15 max 0.15 max 0.2
Mechanical properties under Т=20o С of the material 79NM ( 79NM, 79НМ ) .
Assortment
Dimension
Direct.
s в
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - Band 1030 980
Brinell hardness of the material 79NM ( 79NM, 79НМ ) , HB 10 -1 = 120 - 210 MPa
Physical properties of the material 79NM ( 79NM, 79НМ ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 2.1 8600
Specification :
Mechanical properties :
s в - Tensile strength , [MPa]
s T - Yield stress, [MPa]
d 5 - 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/(m·Grade)]
r - Density , [kg/m3 ]
C - Specific heat
( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]
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