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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YB 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.
Product type: steel belt.
Delivery status: hot rolling.
Carbon structural steel and low alloy steel hot-rolled steel belt.
  • Steel Garde:Q195
  • Type:Structural Steel
  • Country:China
  • Standard:YB
  • Standard Number:
    ITEM Standard Number Descriptions
    1 YB 4028-1991 Carbon structural steel and low alloy steel hot-rolled steel belt
  • Application:Carbon structural steel and low alloy steel hot-rolled steel belt

Cross Reference Table(Equivalent Materials):

Material Standard Country
Q195 GB China
U11952 GB China
Q195 YB China
Q195 GB/T 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 855~011 σb/MPa
Yield Strength 078 σ 0.2 ≥/MPa
Elongation 59 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 238~494 -
HRC 30 -

Physical Properties

Thermal expansion 74-61 e-6/K
Thermal conductivity 41-30 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7436-4720 째C
Density 5824-9007 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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