Q295 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q295

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GBT Q295

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This page is mainly introduced the Q295 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q295,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q295
  • Steel Garde:Q295
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
Q295 GBT China
Q295NH GBT China
Q295GNH GBT China
Q295GNHL GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 337~289 σb/MPa
Yield Strength 397 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 906~621 -
HRC 30 -

Physical Properties

Thermal expansion 45-01 e-6/K
Thermal conductivity 55-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0590-1108 째C
Density 5642-0822 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)
Q295 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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