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 443~926 σb/MPa
Yield Strength 355 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 496~947 -
HRC 30 -

Physical Properties

Thermal expansion 18-13 e-6/K
Thermal conductivity 54-56 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2587-7499 째C
Density 7767-6549 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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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