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42CrMo4Application:Carbide for cutting tools
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy 42CrMo4AFNORFrance

Chemical composition%of the ladle analysis of grade42CrMo4

C(％)Si(％)Mn(％)Cr(％)Mo(％)
0.39-0.460.10-0.400.60-0.900.85-1.150.15-0.30
Mechanical properties of grade42CrMo4
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)
212(≥)482(≥)411234Solution and Aging,Annealing,Ausaging,Q+T,etc324
Physical properties of grade42CrMo4
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
183(≥)998(≥)214144Solution and Aging,Annealing,Ausaging,Q+T,etc243
Temp.
°C/°F		Creep strain limit
(10000h)
(Rp1,0)N/mm2		Creep rupture strength
(10000h)
(Rp1,0)N/mm2
578865561
42CrMo4Range 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
42CrMo4AFNORFrance
Steels for quenching and tempering for construction purposes - Technical delivery conditions
1.7225AFNORFrance
Steels for quenching and tempering for construction purposes - Technical delivery conditions

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