Database of Steel and Alloy (Marochnik)

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Metals -> Precision alloy -> Precision alloy with specified temperature coefficient of linear expansion

Characteristics of the material 30NKD   ( 30NKD,   30 ).

Material : 30NKD   ( 30NKD,   30 )
Classification : Precision alloy with specified temperature coefficient of linear expansion


Chemical composition in % of the material 30NKD   ( 30NKD,   30 ) .
Fe C Si Mn Ni S P Co Cu
54.02 - 57.2max   0.05max   0.3max   0.429.5 - 30.5max   0.015max   0.01513 - 14.20.3 - 0.5


Mechanical properties under =20o of the material 30NKD   ( 30NKD,   30 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      480-600  23   Annealing


Physical properties of the material 30NKD   ( 30NKD,   30 ) .
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 1.4         500



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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