H24 Tool Die Steels

H24 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H24 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.42 0.53
Si 0.15 0.40
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 2.50 3.50
Mo - -
V 0.40 0.60
W 14.00 16.00
Ni+Cu - 0.75

H24 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H24

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)
748 (≥) 773 (≥) 21 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical properties of grade H24

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
652 (≥) 672 (≥) 12 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
712 796 967

Equivalent Products

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