SB450M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SB450M

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CNS SB450M

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This page is mainly introduced the SB450M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SB450M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SB450M
  • Steel Garde:SB450M
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SB450M CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 486~442 σb/MPa
Yield Strength 569 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 423~702 -
HRC 30 -

Physical Properties

Thermal expansion 16-15 e-6/K
Thermal conductivity 90-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9443-3568 째C
Density 7938-8115 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)
SB450M 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