STS44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS44

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KS STS44

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This page is mainly introduced the STS44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS44,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:STS44
  • Type:Special Alloy
  • Country:Korea
  • Standard:KS
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS44 KS Korea
STS447J1 KS Korea
STS447J1 KS Korea
STS440A KS Korea
STS440A KS Korea
STS440B KS Korea
STS440B KS Korea
STS440C KS Korea
STS440C KS Korea
STS440F KS Korea
STS440F KS Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 928~779 σb/MPa
Yield Strength 405 σ 0.2 ≥/MPa
Elongation 40 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 635~828 -
HRC 30 -

Physical Properties

Thermal expansion 25-18 e-6/K
Thermal conductivity 53-77 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0769-5602 째C
Density 6034-7950 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)
STS44 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