H10 Tool Die Steels

H10 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H10 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35 0.45
Si 0.80 1.20
Mn 0.25 0.70
P - 0.030
S - 0.030
Cr 3.00 3.75
Mo 2.00 3.00
V 0.25 0.75
W - -
Ni+Cu - 0.75

H10 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H10

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 Condition Brinell hardness (HBW)
222 (≥) 633 (≥) 43 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade H10

Property Density
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
364 (≥) 483 (≥) 44 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
664 225 853
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