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Characteristics of the material 8KH3   ( 8H3,   8Х3 ).

Material : 8KH3   ( 8H3,   8Х3 )
Substitute: 7Х3
Classification : Die tool steel


Chemical composition in % of the material 8KH3   ( 8H3,   8Х3 ) .
C Si Mn Ni S P Cr Mo W V Ti Cu
0.75 - 0.850.15 - 0.350.15 - 0.4max   0.35max   0.03max   0.033.2 - 3.8max   0.2max   0.2max   0.15max   0.03max   0.3


Temperature of critical points of the grade 8KH3   ( 8H3,   8Х3 ).
Ac1 = 785 ,      Ac3(Acm) = 830 ,       Ar3(Arcm) = 770 ,       Ar1 = 750 ,       Mn = 370


Mechanical properties under Т=20oС of the material 8KH3   ( 8H3,   8Х3 ) .
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      1340 1270 8 25340Guenching 870oC, oil, Drawing 500oC, 2h,


    Brinell hardness of the material   8KH3   ( 8H3,   8Х3 )   (annealing) ,       HB 10 -1= 241   MPa



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]

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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