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

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AISI ASTM HI

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 339~645 σb/MPa
Yield Strength 655 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 100~276 -
HRC 30 -

Physical Properties

Thermal expansion 53-83 e-6/K
Thermal conductivity 91-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1435-9357 째C
Density 2019-0720 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)
ASTM HI 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