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H19

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T20819 T20821
#H19

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)
721 (≥) 376 (≥) 32 24 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

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
21 - -     0.22 -  
642 883 - 13.3 424   -  
765 - 23 11.2   444 312

Heat Treatment of steel grade H19

Heat treated : 1137°C - 1321°C

Technological Curves of steel grade H19

Cross Reference Table (Equivalent Grade) of H19

Grade Standard Country Application
ASTM H19
CPM H19
CPM H19V
SWRCH19A
SCH19
H19
CPM H19
CPM H19
CPM H19V
CPM H19V
BH19
BH19
09X14H1982БP
40X15H7Γ7Φ2
T20819 T20821
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