STC4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC4

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STC4

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This page is mainly introduced the STC4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:STC4
  • Type:Special Alloy
  • Country:Korea
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
STC4 Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 237~560 σb/MPa
Yield Strength 746 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 399~300 -
HRC 30 -

Physical Properties

Thermal expansion 10-39 e-6/K
Thermal conductivity 77-03 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3645-8463 째C
Density 6570-9649 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)
STC4 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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