H25 Tool Die Steels

H25 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H25 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.22 0.32
Si 0.15 0.40
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 3.75 4.50
Mo - -
V 0.40 0.60
W 14.00 16.00
Ni+Cu - 0.75

H25 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H25

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)
276 (≥) 285 (≥) 32 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical properties of grade H25

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
569 (≥) 656 (≥) 21 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
439 352 661

Equivalent Products

We can customize the production of H25 grade, contact us for the best solution.
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