H42 Tool Die Steels

H42 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H42 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.60
Si 0.20 0.40
Mn 0.20 0.40
Cr - 4.00
Mo - 5.00
V - 2.00
W - 6.00

H42 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H42

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)
236 (≥) 833 (≥) 31 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade H42

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
367 (≥) 311 (≥) 31 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
275 479 335

Equivalent Grade

Equivalent Products

We can customize the production of H42 grade, contact us for the best solution.
sales@specificsteel.com