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 453~321 σb/MPa
Yield Strength 394 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 840~981 -
HRC 30 -

Physical Properties

Thermal expansion 05-79 e-6/K
Thermal conductivity 34-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2955-7122 째C
Density 0050-0903 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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