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Description

USA ASTM H19 Tool Die Steels Hot-Work Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Die Steels: H19
Category Class Grade Standard Country Application
Steel GradesTool Die Steels H19 ASTM USA Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%) of the H19

C Si Mn P S Cr Mo V W Ni+Cu Co
0.32 -0.45 0.20 -0.50 0.20 -0.50 ≤0.030 ≤0.030 4.00 -4.75 0.30 -0.55 1.75 -2.20 3.75 -4.50 ≤0.75 4.00 -4.50

Mechanical Properties of steel grade H19

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)
276 (≥) 371 (≥) 24 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade H19

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
12 - -     0.42 -  
515 218 - 23.3 143   -  
123 - 21 21.2   222 324

Heat Treatment of steel grade H19

Heat treated : 1473°C - 1557°C

Technological Curves of steel grade H19

Cross Reference Table (Equivalent Grade) of H19


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