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

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AISI ASTM HH

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 767~333 σb/MPa
Yield Strength 722 σ 0.2 ≥/MPa
Elongation 07 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 627~375 -
HRC 30 -

Physical Properties

Thermal expansion 84-81 e-6/K
Thermal conductivity 97-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8341-1229 째C
Density 4189-4851 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 HH 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