Q235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235

Location » Home » Grades > Special Alloy > Q235

GBT Q235

Profile

This page is mainly introduced the Q235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q235
  • Steel Garde:Q235
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 628~698 σb/MPa
Yield Strength 139 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 704~142 -
HRC 30 -

Physical Properties

Thermal expansion 85-21 e-6/K
Thermal conductivity 56-13 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3997-9055 째C
Density 5471-0857 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)
Q235 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

Hot keywords:Q235
Previous: Q235
Next: Q235