Model Number: high speed steel-02 Key Specifications/Special Features: High speed steel M35Applications:Standard high-speed steel gradeHigh toughness and good cutting power owing to its well-balanced alloy composition, making it suitable for a wide variety of applicationsFor all metal-cutting tools for roughing or finishing, such as twist drills, all kinds of milling cutters, screw taps, screw dies, broaches, reamers, countersinks, chasers, segments for circular saws, shaping tools and woodworking tools

Also highly suitable for cold-forming tools, such as cold extrusion RAMs and dies, as well as for cutting and precision cutting tools, plastics moulds with elevated wear resistance and screws

Steel grade:

• C:0,80 - 0,90
• Si:0.20 -. 0,45
• Mn:0.15 - 0,40
• P:<=0,030
• S: <=0,030
• Cr:3,75 - 4,40
• Mo:4,50 - 5,50
• V: 1,75 - 2,20
• W: 5.50- 6,75
• Co: 4.50-5.50

Size available:

• Round and square bar: 2-300mm
• Flat: thickness: 0.6-250, width: 30-810mm

High speed steel got hardness method:

• Salt bath hardening or vacuum hardening
• Temperature 1180-1200°C, if need high hardness add 10°C
• In the temperature 560°C, tempering more than 3 times
• Most important: control hardening temperature and time