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H10Application:Alloy tool steel
CategoryTypeSteel gradeStandardCountry
Grades Special Alloy H10ASTMUSA

Chemical composition%of the ladle analysis of gradeH10

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)Mo(%)V(%)Cu(%)
0.35~0.450.80~1.200.25~0.70≤0.030≤0.0303.00~3.75≤0.752.00~3.000.25~0.75≤0.75
Annealing hardness HBS: 229
Cold pull hardness HBS: 255
Preheat temperature / ℃ : 788
Quenching temperature / ℃ | salt bath furnaces: 1010
Quenching temperature / ℃ | controlled atmosphere furnace: 1024
Holding time/min: 5 to 15
Quenching medium: air cold
Tempering temperature / ℃ : 552
After tempering quartile hardness HRC: 55
Mechanical properties of gradeH10
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)
841(≥)326(≥)233144Solution and Aging,Annealing,Ausaging,Q+T,etc142
Physical properties of gradeH10
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
686(≥)675(≥)124444Solution and Aging,Annealing,Ausaging,Q+T,etc333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
918188945
H10Range 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 213 S30615ASTMUSA
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A 240 S30615ASTMUSA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 249 S30615ASTMUSA
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
A 312 S30615ASTMUSA
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
A 959 S30615ASTMUSA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S30615ASTMUSA
Austenitic Chromium Nickel Silicon Heat Resisting Steel
SA-213 S30615ASTMUSA
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
SA-240 S30615ASTMUSA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-249 S30615ASTMUSA
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
SA-312 S30615ASTMUSA
Specification for Seamless and Welded Austenitic Stainless Steel Pipes
A8ASTMUSA
Cold-Work Tool Steel

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