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 578~252 σb/MPa
Yield Strength 691 σ 0.2 ≥/MPa
Elongation 96 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 341~516 -
HRC 30 -

Physical Properties

Thermal expansion 24-72 e-6/K
Thermal conductivity 16-01 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4197-7225 째C
Density 9133-5290 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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