H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H3

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JIS H3

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This page is mainly introduced the H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
H3
ardness quartile HRA:93
Bending strength frequency/MPa:1350
  • Steel Garde:H3
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 183~587 σb/MPa
Yield Strength 637 σ 0.2 ≥/MPa
Elongation 21 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 604~412 -
HRC 30 -

Physical Properties

Thermal expansion 90-72 e-6/K
Thermal conductivity 70-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4737-5768 째C
Density 9207-3927 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)
H3 Special Alloy 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

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