H10 Tool Die Steels

H10 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H10 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.40
Si 0.20 0.40
Mn 0.20 0.40
Cr - 3.25
Mo - 2.50
V - 0.40
W - -

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)
925 (≥) 997 (≥) 24 11 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

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
128 (≥) 449 (≥) 12 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 224
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
139 725 369
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