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M6Application:Molybdenum series High-speed tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy M6ASTMUSA

Chemical composition%of the ladle analysis of gradeM6

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)W(%)Co(%)
0.75~0.850.20~0.450.15~0.40≤0.030≤0.0303.75~4.504.50~5.501.30~1.703.75~4.7511.0~13.0
M6
Mechanical properties of gradeM6
Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
867(≥)111(≥)212244Solution and Aging,Annealing,Ausaging,Q+T,etc134
Physical properties of gradeM6
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
316(≥)171(≥)412432Solution and Aging,Annealing,Ausaging,Q+T,etc111
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
142641315
M6Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED
Cross Reference Table(Equivalent Grade)
GradeStandardCountryApplication
12X16H25M6AΓASTMUSA
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
M6ASTMUSA
High-Speed Tool Steel
M62ASTMUSA
High-Speed Tool Steel
M61ASTMUSA
High-Speed Tool Steel

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