SK120 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK120

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JIS SK120

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This page is mainly introduced the SK120 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK120,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK120
  • Steel Garde:SK120
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbon tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 004~881 σb/MPa
Yield Strength 938 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 114~966 -
HRC 30 -

Physical Properties

Thermal expansion 06-40 e-6/K
Thermal conductivity 98-51 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8322-7759 째C
Density 1960-6303 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)
SK120 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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