SB450 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SB450

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CNS SB450

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This page is mainly introduced the SB450 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SB450,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SB450
  • Steel Garde:SB450
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SB450M CNS China
SB450M CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 245~136 σb/MPa
Yield Strength 066 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 457~014 -
HRC 30 -

Physical Properties

Thermal expansion 26-31 e-6/K
Thermal conductivity 66-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1542-4062 째C
Density 2494-2098 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)
SB450 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