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M2 hight CApplication:Molybdenum series High-speed tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy M2 hight CASTMUSA

Chemical composition%of the ladle analysis of gradeM2 hight C

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Mo(％)V(%)W(%)
0.95～1.050.20～0.450.15～0.40≤0.030≤0.0303.75～4.504.50～5.501.75～2.205.50～6.75
M2 hight C
Mechanical properties of gradeM2 hight C
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)
531(≥)793(≥)443134Solution and Aging,Annealing,Ausaging,Q+T,etc121
Physical properties of gradeM2 hight C
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
846(≥)737(≥)144221Solution and Aging,Annealing,Ausaging,Q+T,etc133
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
341315512
M2 hight CRange 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
A 1049 S32550ASTMUSA
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
A 240 S32550ASTMUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S32550ASTMUSA
Stainless Steel Bars and Shapes
A 473 S32550ASTMUSA
Stainless Steel Forgings
A 479 S32550ASTMUSA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 S32550ASTMUSA
Seamless Stainless Steel Mechanical Tubing
A 789 S32550ASTMUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S32550ASTMUSA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 815 CRS32550ASTMUSA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS32550ASTMUSA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 928 S32550ASTMUSA
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
A 949 S32550ASTMUSA
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
S32550ASTMUSA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
SA-240 S32550ASTMUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-276 S32550ASTMUSA
Specification for Stainless Steel Bars and Shapes
SA-479 S32550ASTMUSA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-789 S32550ASTMUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
SA-790 S32550ASTMUSA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
SA-815 CRS32550ASTMUSA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings
SA-815 WPS32550ASTMUSA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings

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