Database of Steel and Alloy (Marochnik)

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Metals -> Tool steel -> High speed tool steel

Characteristics of the material R9K5   ( R9K5,   Ð9Ê5 ).

Material : R9K5   ( R9K5,   Ð9Ê5 )
Classification : High speed tool steel


Chemical composition in % of the material R9K5   ( R9K5,   Ð9Ê5 ) .
C Si Mn Ni S P Cr Mo W V Co
0.9 - 1max   0.5max   0.5max   0.4max   0.03max   0.033.8 - 4.4max   19 - 102.3 - 2.75 - 6


Temperature of critical points of the grade R9K5   ( R9K5,   Ð9Ê5 ).
Ac1 = 815 ,       Ar1 = 725


    Brinell hardness of the material   R9K5   ( R9K5,   Ð9Ê5 )   (annealing) ,       HB 10 -1= 269   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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