Grade1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Grade1

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AISI Grade1

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This page is mainly introduced the Grade1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Grade1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Grade1
  • Steel Garde:Grade1
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Cross Reference Table(Equivalent Materials):

Material Standard Country
Grade1 AISI USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 978~588 σb/MPa
Yield Strength 247 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 200~600 -
HRC 30 -

Physical Properties

Thermal expansion 10-86 e-6/K
Thermal conductivity 99-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4868-5700 째C
Density 7380-1600 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)
Grade1 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