Database of Steel and Alloy (Marochnik)

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Characteristics of the material 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ ).

Material : 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ )
Substitute: 30ÕÍ2ÂÔÀ
Classification : Alloy structurall steel


Chemical composition in % of the material 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ ) .
C Si Mn Ni S P Cr Mo V Cu
0.27 - 0.340.17 - 0.370.3 - 0.62 - 2.4max   0.025max   0.0250.6 - 0.90.2 - 0.30.1 - 0.18max   0.3


Temperature of critical points of the grade 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ ).
Ac1 = 720 ,      Ac3(Acm) = 830 ,       Ar3(Arcm) = 555 ,       Ar1 = 365


Mechanical properties under Ò=20oÑ of the material 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ ) .
Assortment Dimension Direct. sâ sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar Æ 25   880 785 10 40880Guenching and drawing


    Brinell hardness of the material   30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ )   (annealing) ,       HB 10 -1= 269   MPa


Physical properties of the material 30KHN2MFÀ   ( 30HN2MFÀ,   30ÕÍ2ÌÔÀ ) .
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 2.16   36     333
100 2.07 11.1 35   466  
200 2.06 11.7 35   508  
300 1.88 12.3 34   529  
400 1.76 12.9 32   567  
500 1.69 13.3 31   588  
600   13.7 29      
700     28      
800     27      
T E 10- 5 a 10 6 l r C R 10 9



Specification :
Mechanical properties :
sâ - 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]

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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