Q195 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q195

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GB/T Q195

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This page is mainly introduced the Q195 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q195,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel plate, steel strip, bar, ingot, blank (applicable).
Delivery status: hot rolling, controlled rolling, or normalizing
  • Steel Garde:Q195
  • Type:Structural Steel
  • Country:China
  • Standard:GB/T
  • Standard Number:
    ITEM Standard Number Descriptions
    1 GB/T 700-2006 This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation.
  • Application:This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation.

Cross Reference Table(Equivalent Materials):

Material Standard Country
Q195 GB China
U11952 GB China
Q195 YB China
Q195 YB China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C   0.12
Si   0.3
Mn   0.5
P   0.035
S   0.04
Cr   0.3
Ni   0.3
Cu   0.3
N   0.0080

Mechanical Properties

Tensile strength 518~486 σb/MPa
Yield Strength 648 σ 0.2 ≥/MPa
Elongation 26 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 276~858 -
HRC 30 -

Physical Properties

Thermal expansion 52-80 e-6/K
Thermal conductivity 40-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4782-7917 째C
Density 4911-5286 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)
Q195 Structural Steel 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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