Q215 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q215

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GBT Q215

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This page is mainly introduced the Q215 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q215,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q215
  • Steel Garde:Q215
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
Q215 China
Q215 B China
Q215 GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 498~599 σb/MPa
Yield Strength 739 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 762~015 -
HRC 30 -

Physical Properties

Thermal expansion 20-36 e-6/K
Thermal conductivity 49-25 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3399-4858 째C
Density 8717-9225 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)
Q215 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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