M-35

M-35 High Speed Tool Steel For Demanding Machining

M-35 is a cobalt-alloyed high-speed steel designed for demanding machining applications where extra hardness and wear resistance are required.

It is suitable for heavy-duty cutting tools, high-performance taps and dies, gear cutters, thread rollers and metal saws.

Built For Hardness. Designed For Cutting Performance.

  • Improved red hardness
  • Excellent wear resistance
  • High hardness
  • Good toughness
  • Maintains edge integrity at high temperatures
  • Fine carbide structure
  • Good resistance to thermal softening
  • Suitable for high-performance cutting
Category:

Technical Specifications

Property Specification
Material M-35
Steel Type Cobalt-Alloyed High Speed Tool Steel
AISI / SAE M35
Material No. 1.3243
European Grade HS6-5-2-5
Japanese Equivalent SKH55
British Equivalent S705
Typical Hardness HRC 64–66

Chemical Composition

Element Composition
Carbon (C) 0.92%
Molybdenum (Mo) 5.00%
Vanadium (V) 1.90%
Tungsten (W) 6.40%
Cobalt (Co) 4.80%

Applications

Where M-35 Is Used

Cutting Tools

  • Drills
  • Taps
  • Reamers
  • Milling Cutters
  • Gear Cutters
  • Metal Saws

Heavy-Duty Machining

  • Stainless Steel Machining
  • Titanium Machining
  • Heat-Resistant Alloys
  • Difficult-to-Cut Materials

Tooling

  • Thread Rollers
  • Dies
  • Punching Tools
  • Forming Tools

Heat Treatment

Built For High Hardness & Cutting Performance

Preheating
Reduces thermal stress and distortion.

Hardening
Develops the required hardness and structure.

Quenching
Provides controlled cooling after hardening.

Tempering
Balances hardness, toughness and dimensional stability.

Heat-treatment parameters depend on section size, tooling and material specification.

Available Forms

From Standard Stock To Custom Requirements

Annealed
Suitable for machining and subsequent heat treatment.

Hardened & Tempered
Suitable for high-performance cutting applications.

As-Rolled
Available subject to stock availability.

Full Length
Supplied according to available dimensions.

Cut-to-Size
Precision cut according to customer requirements.

Supply Condition

From Standard Stock To Custom Requirements

Annealed
Suitable for machining and heat treatment.

Hardened & Tempered
Suitable for high-performance cutting applications.

As-Rolled
Available subject to stock.

Full Length
Supplied in available dimensions.

Cut-to-Size
Precision cut to customer requirements.