H41 Tool Die Steels

H41 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H41 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.60 0.75
Si 0.20 0.45
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 3.50 4.00
Mo 8.20 9.20
V 1.00 1.30
W 1.40 2.10
Ni+Cu - 0.75

H41 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H41

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)
458 (≥) 484 (≥) 23 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical properties of grade H41

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
796 (≥) 745 (≥) 12 24 43 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
554 182 661

Equivalent Products

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