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

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GBT ASTM HL

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 495~953 σb/MPa
Yield Strength 446 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 999~925 -
HRC 30 -

Physical Properties

Thermal expansion 77-05 e-6/K
Thermal conductivity 75-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4464-0770 째C
Density 6289-6629 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 HL 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