Q370q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q370q

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GBT Q370q

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This page is mainly introduced the Q370q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q370q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q370q
  • Steel Garde:Q370q
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
Q370q GBT China
Q370q GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 615~885 σb/MPa
Yield Strength 026 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 080~162 -
HRC 30 -

Physical Properties

Thermal expansion 97-97 e-6/K
Thermal conductivity 20-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7136-8210 째C
Density 8064-7660 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)
Q370q 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