H43 Tool Die Steels

H43 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H43 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50 0.65
Si 0.20 0.45
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 3.75 4.50
Mo 7.75 8.50
V 1.80 2.20
W - -
Ni+Cu - 0.75

H43 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H43

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)
733 (≥) 151 (≥) 42 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade H43

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
553 (≥) 678 (≥) 13 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
149 953 671

Equivalent Products

We can customize the production of H43 grade, contact us for the best solution.
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