Home»Grades > Special Alloy > M46
M46Application:Molybdenum series High-speed tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy M46ASTMUSA

Chemical composition%of the ladle analysis of gradeM46

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)W(%)Co(%)
1.22-1.300.40-0.650.20-0.40≤0.030≤0.0303.70-4.208.00-8.503.00-3.301.90-2.207.80-8.80
M46
Mechanical properties of gradeM46
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)
686(≥)481(≥)212413Solution and Aging,Annealing,Ausaging,Q+T,etc142
Physical properties of gradeM46
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
732(≥)141(≥)234344Solution and Aging,Annealing,Ausaging,Q+T,etc443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
937539182
M46Range 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
M46ASTMUSA
High-Speed Tool Steel

Enquiry