H20 Tool Die Steels

H20 - Specification & Application

Hot-Work Tool Steel

Chemical composition(wt.%) of H20 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.25 0.35
Si 0.10 0.75
Mn 0.10 0.40
Cr 1.80 2.20
Mo - -
V 0.40 0.60
W 9.00 10.00

H20 - Detail

Hot-Work Tool Steel

Mechanical properties of grade H20

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)
697 (≥) 555 (≥) 44 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade H20

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
473 (≥) 637 (≥) 23 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
133 677 349

Equivalent Products

We can customize the production of H20 grade, contact us for the best solution.
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