SPHT4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SPHT4

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CNS SPHT4

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This page is mainly introduced the SPHT4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SPHT4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SPHT4
  • Steel Garde:SPHT4
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 540~303 σb/MPa
Yield Strength 269 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 320~529 -
HRC 30 -

Physical Properties

Thermal expansion 95-96 e-6/K
Thermal conductivity 32-73 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3944-0629 째C
Density 7444-2496 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)
SPHT4 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

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