Metals -> Precision alloy -> Precision alloy with specified temperature coefficient of linear expansion Characteristics of the material 52N ( 52N, 52Н ).
Material : 52N ( 52N, 52Н ) Classification : Precision alloy with specified temperature coefficient of linear expansion
Chemical composition in % of the material 52N ( 52N, 52Н ) . Fe C Si Mn Ni S P Cr Cu 46.42 - 48.5 max 0.05 max 0.2 max 0.4 51.5 - 52.5 max 0.015 max 0.015 max 0.2 max 0.2
Mechanical properties under Т=20o С of the material 52N ( 52N, 52Н ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - 450-550 Annealing
Physical properties of the material 52N ( 52N, 52Н ) . 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 1.6 420
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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