H42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H42

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SAE H42

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This page is mainly introduced the H42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H42,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
H42 ASTM USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.60
Si 0.20  0.40
Mn 0.20  0.40
Cr   4.00
Mo   5.00
V   2.00
W   6.00

Mechanical Properties

Tensile strength 065~249 σb/MPa
Yield Strength 514 σ 0.2 ≥/MPa
Elongation 73 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 164~276 -
HRC 30 -

Physical Properties

Thermal expansion 31-51 e-6/K
Thermal conductivity 48-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0117-8684 째C
Density 4535-0478 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)
H42 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