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 267~116 σb/MPa
Yield Strength 216 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 696~926 -
HRC 30 -

Physical Properties

Thermal expansion 85-40 e-6/K
Thermal conductivity 47-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4549-5230 째C
Density 7559-0675 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