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H22

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T20822 T20823
#H22

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)
623 (≥) 516 (≥) 13 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

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
23 - -     0.32 -  
797 218 - 14.3 323   -  
265 - 32 12.2   221 234

Heat Treatment of steel grade H22

Heat treated : 1278°C - 1178°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
T20822 T20823
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