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Description

USA ASTM H24 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H24
Category Class Grade Standard Country Application
Steel GradesTool Die Steels H24 ASTM USA Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H24

C Si Mn P S Cr Mo V W Ni+Cu
0.42 -0.53 0.15 -0.40 0.15 -0.40 ≤0.030 ≤0.030 2.50 -3.50 ≤ ≥ 0.40 -0.60 14.00 -16.00 ≤0.75

Mechanical Properties of steel grade H24

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)
565 (≥) 853 (≥) 44 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade H24

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
42 - -     0.32 -  
557 224 - 34.3 113   -  
651 - 44 14.2   344 414

Heat Treatment of steel grade H24

Heat treated : 1328°C - 1875°C

Technological Curves of steel grade H24

Cross Reference Table (Equivalent Grade) of H24

Grade Standard Country Application
ASTM H24
SWRCH24K
SCH24
SCH24X
SCH24XNb
H24
08X15H24Φ4TP

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