H19 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H19

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ASTM H19

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This page is mainly introduced the H19 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H19,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
H19 SAE USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.32  0.45
Si 0.20  0.50
Mn 0.20  0.50
P   0.030
S   0.030
Cr 4.00  4.75
Mo 0.30  0.55
V 1.75  2.20
W 3.75  4.50
Ni+Cu   0.75
Co 4.00  4.50

Mechanical Properties

Tensile strength 665~256 σb/MPa
Yield Strength 731 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 727~889 -
HRC 30 -

Physical Properties

Thermal expansion 23-53 e-6/K
Thermal conductivity 84-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6599-9325 째C
Density 4309-5115 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
H19 Tool Die Steels Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download