SKS2 tool steel china supplier and stockholders.  Otai Special steel are supplier of SKS2  in steel round bar, plate, flat bar, square, block. SKS2 steel common use to cutting tool, knife, drill.

Chemical composition

he following table shows the chemical composition of SKS2 tool steel

JIS C(%) Si(%) Mn(%) P(%) S(%) Cr(%) W(%) V(%)
SKS2 1.00~1.10 ≤0.35 ≤0.50 ≤0.030 ≤0.030 0.50~1.00 1.00~1.50 ≤0.20

Application of Tool Steel JIS SKS2

mainly used for cutting tools, impact resistant tools; part of the cold mold; all kinds of lawn cutter blades, gardening scissors.

steel toolTOOL Steel Drill

Physical Properties of JIS SKS2 steel

Properties Metric
Density (hardened to 62 HRC) 7.85 g/cm3
Density (@399°C, hardened to 62 HRC) 7.70 g/cm3
Density (@191°C, hardened to 62 HRC) 7.75 g/cm3
Melting point 1420°C

Mechanical Properties

This is typical data, only for your reference.

Properties Metric Properties Metric
Hardness, soft annealed -delivery condition 190HB Compressive yield strength (0.2%, hardened to 50 HRC) 1350 MPa
Hardness, tempering temp 300-1200°F 34.0-64.0 HRc Compressive yield strength (0.2%, hardened to 55 HRC) 1800 MPa
Elastic modulus , hardened to 62 HRC 193 GPa Compressive yield strength (0.2%, hardened to 60 HRC) 2150 MPa
Elastic modulus (@399°C/750°F, hardened to 62 HRC ) 172 GPa Compressive yield strength (0.2%, hardened to 62 HRC) 2200 MPa
Elastic modulus (@191°C/375°F, hardened to 62 HRC) 186 GPa

Thermal Properties of JIS SKS2 tool steel

10.6 x 10-6/ºC, On 20-260 °C.

  • JIS SKS2 Steel Forming of supply

the round bar, flat bar, plate and square block are supplyed. Round bar can be sawn to your required lengths as one offs or multiple cut pieces. Steel plate and sheet rectangular pieces can be sawn from flat bar ,sheet or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.

Heat treatment of JIS Tool Steel SKS2

  • JIS SKS2 tool Steel Forged

Heat to 1038°C for forging  but not forging below 816°C.

  • Annealing for JIS steel SKS2

Slowly heat to 788°C, Keep enough time, ensure heat thoroughly. then cool in furnace slowly, A hour less than 4 °C Down.

  • Tempering of SKS2 JIS tool steel

Tempering at 177-260°C, realize Rockwell C hardness 56-62 HRc.

  • Martempering

hardening procedure for Martempering,

  • Stress Relieving for SKS2 steel

The Tool steel stress relieving is necessary, when steel tool part is heavily machined, cutting,milled.

  • Final Grinding of SKS2 steel

    For get bright surface and precise dimension, If dry grinding, use a very soft wheel grinding is better.

  • Contact us for SKS2 tool steel

Contact our experienced sales team to help you with your SKS2 tool steel questions and inquiry by Email or Telphone.  The questions and inquiry will be reply in 24 hours.