EN G9MM4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN G9MM4

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EN EN G9MM4

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This page is mainly introduced the EN G9MM4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN G9MM4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN G9MM4
  • Steel Garde:EN G9MM4
  • Type:Special Alloy
  • Country:Euronorm
  • Standard:EN
  • Application:Euronorm Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 077~669 σb/MPa
Yield Strength 966 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 409~772 -
HRC 30 -

Physical Properties

Thermal expansion 54-19 e-6/K
Thermal conductivity 77-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6359-1113 째C
Density 5400-6188 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)
EN G9MM4 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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