This page provides H23 datasheet, H23 mechanical properties, chemical element H23, technical specifications of H23 steel material properties. H23 performance specifications.

Category Class Grade Standard Country Application
Steel GradesTool Die Steels H23 ASTM USA Hot-Work Tool Steel
Datasheet for:Steel Grades:Tool Die Steels:H23

Chemical composition(mass fraction)(wt.%) of the H23

Elements Min.(≥) Max.(≤)
C 0.25 0.35
Si 0.15 0.60
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 11.00 12.75
Mo - -
V 0.75 1.25
W 11.00 12.75
Ni+Cu - 0.75

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade H23

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
742 (≥) 364 (≥) 21 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
13 - -     0.23 -  
468 128 - 12.3 411   -  
515 - 13 41.2   431 242
Heat treated : 1212°C - 1285°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH2302 GB China
Classification and designation for superalloys and high temperature intermetallic materials
10X11H23T3MP GOST Russia
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
Hot-Work Tool Steel
Hot-Work Tool Steel
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Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
H23 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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