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M1Application:Molybdenum series High-speed tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy M1ASTMUSA

Chemical composition%of the ladle analysis of gradeM1

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Mo(%)V(%)W(%)
0.78~0.880.20~0.500.15~0.40≤0.030≤0.0303.50~4.008.20~9.201.00~1.351.40~2.10
M1
Mechanical properties of gradeM1
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)
221(≥)313(≥)322334Solution and Aging,Annealing,Ausaging,Q+T,etc313
Physical properties of gradeM1
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
719(≥)857(≥)412134Solution and Aging,Annealing,Ausaging,Q+T,etc432
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
954633414
M1Range 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
STSXM15J1ASTMUSA
Stainless steel bars
STSXM15J1TBASTMUSA
Stainless steel for boiler and heat exchanger tubes
XM15J1ASTMUSA
Stainless steel wires
M1ASTMUSA
High-Speed Tool Steel
M10ASTMUSA
High-Speed Tool Steel
M10ASTMUSA
High-Speed Tool Steel
M15ASTMUSA
High-Speed Tool Steel
X120Mn12, 1.3401, A128, X110Mn14ASTMUSA
X120Mn12, 1.3401, A128, X110Mn14 High-manganese steels with austenitic structure, characterized by high carbon content - on average 1.00-1.20%, and high Manganese content - approx.

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