HAP 70 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HAP 70

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AISI HAP 70

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This page is mainly introduced the HAP 70 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HAP 70,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
HAP 70
  • Steel Garde:HAP 70
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:Powder metallurgy high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 162~154 σb/MPa
Yield Strength 101 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 916~583 -
HRC 30 -

Physical Properties

Thermal expansion 56-65 e-6/K
Thermal conductivity 45-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2754-5468 째C
Density 2141-3078 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)
HAP 70 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