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Metals -> Tool steel -> Die tool steel

Characteristics of the material 4KH5MFS   ( 4H5MFS,   45 ).

Material : 4KH5MFS   ( 4H5MFS,   45 )
Substitute: 451, 44
Classification : Die tool steel


Chemical composition in % of the material 4KH5MFS   ( 4H5MFS,   45 ) .
C Si Mn Ni S P Cr Mo V Cu
0.32 - 0.40.9 - 1.20.2 - 0.5max   0.35max   0.03max   0.034.5 - 5.51.2 - 1.50.3 - 0.5max   0.3


Temperature of critical points of the grade 4KH5MFS   ( 4H5MFS,   45 ).
Ac1 = 840 ,      Ac3(Acm) = 870 ,       Ar3(Arcm) = 810 ,       Ar1 = 735 ,       Mn = 300


Mechanical properties under =20o of the material 4KH5MFS   ( 4H5MFS,   45 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bars 10   1750 1480    570Guenching 1000 - 1020oC,Drawing 530 - 560oC,Drawing 500 - 520oC,


    Brinell hardness of the material   4KH5MFS   ( 4H5MFS,   45 )   (annealing) ,       HB 10 -1= 241   MPa


Physical properties of the material 4KH5MFS   ( 4H5MFS,   45 ) .
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     29 7750   480
100     30 7724    
200     30 7697    
300     31 7670    
400     33 7641    
500     31 7600    
600     30 7573    
700     28 7546    
800     26 7520    
900     27 7495    
T E 10- 5 a 10 6 l r C R 10 9



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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