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 071~540 σb/MPa
Yield Strength 494 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 511~452 -
HRC 30 -

Physical Properties

Thermal expansion 09-84 e-6/K
Thermal conductivity 65-51 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9260-6503 째C
Density 7258-9182 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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