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Characteristics for grade     50N   ( 50Н )



      Grade :   50N   ( 50Н ) (   50НП   )
      Classification :   Magnetically soft precision alloy
      Equivalent grades:     Is absent



Chemical composition in % for grade   50N   ( 50Н )
Fe C Si Mn Ni S P Cu
48.33 - 50.55max   0.030.15 - 0.30.3 - 0.649 - 50.5max   0.02max   0.02max   0.2


Mechanical properties under Т=20oС for grade   50N   ( 50Н )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Band, GOST 10160-75     440 145 35 60  
Band cold-worked , GOST 10160-75     780 685 3 15  


    Brinell hardness for     50N   ( 50Н )   ,     Band GOST 10160-75 HB 10 -1 = 130   MPa
    Brinell hardness for     50N   ( 50Н )   ,     Band GOST 10160-75 HB 10 -1 = 170   MPa


Physical properties for grade   50N   ( 50Н )
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 1.6     8200   450
100   8.9        



Types of delivery of grade   50N   ( 50Н )
В30 - Classification, nomenclature and general norms
B34 - Ribbons


Specification :
Mechanical properties :
sв - 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/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

  50N   ( 50Н ) - Magnetically soft precision alloy: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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