G30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G30

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AFNOR G30

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This page is mainly introduced the G30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde: G30
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
G30 AFNOR France
G30 AFNOR France
G30 AFNOR France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 926~044 σb/MPa
Yield Strength 109 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 171~949 -
HRC 30 -

Physical Properties

Thermal expansion 39-28 e-6/K
Thermal conductivity 73-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2822-2988 째C
Density 6728-3049 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)
G30 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

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