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Description

USA ASTM H22 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H22
Category Class Grade Standard Country Application
Steel GradesTool Die Steels H22 ASTM USA Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H22

C Si Mn P S Cr Mo V W Ni+Cu
0.30 -0.40 0.15 -0.40 0.15 -0.40 ≤0.030 ≤0.030 1.75 -3.75 ≤ ≥ 0.25 -0.50 10.00 -11.75 ≤0.75

Mechanical Properties of steel grade H22

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
542 (≥) 345 (≥) 22 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade H22

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.11 -  
197 617 - 34.3 232   -  
653 - 42 11.2   111 321

Heat Treatment of steel grade H22

Heat treated : 1481°C - 1494°C

Technological Curves of steel grade H22

Cross Reference Table (Equivalent Grade) of H22

Grade Standard Country Application
ASTM H22
SWRCH22A
SWRCH22K
SCH22
SCH22X
SCPH22
H22
H22
BH224/5
BH224/5

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