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 170~803 σb/MPa
Yield Strength 731 σ 0.2 ≥/MPa
Elongation 21 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 154~516 -
HRC 30 -

Physical Properties

Thermal expansion 55-73 e-6/K
Thermal conductivity 75-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7192-5265 째C
Density 7298-8858 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

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