AISI M35 · UNS T11335 · EN 1.3243 · HS6-5-2-5

HSS M35

Purchase and sale of HSS M35 cobalt high-speed steel scrap and turnings for European steel mills and foundries. Fast quotations, collection across the whole territory.

Cobalt high-speed steel: a derivative of M2 with the addition of about 5% Co for greater hot hardness and temper resistance. Markets: high-performance tools, heavy-duty machining, tough materials.

  • Forms scrap · turnings · chips · cut-offs
  • Density ~8.15 g/cm³ (indicative)
  • Hardness 64 – 66 HRC
Grinding swarf of HSS M35 high-speed steel
HSS M35 batch
01 · Chemical composition

Main elements

Tungsten (W)5.9 – 6.7 %
Molybdenum (Mo)4.7 – 5.2 %
Cobalt (Co)4.5 – 5.0 %
Chromium (Cr)3.8 – 4.5 %
Vanadium (V)1.7 – 2.1 %
Carbon (C)0.87 – 0.97 %
Iron (Fe)balance

Indicative values according to EN ISO 4957 / ASTM A600. The presence of cobalt makes this grade valuable for recovery; composition certified for each batch.

02 · Properties

Physical and mechanical data

Density~8.15 g/cm³ (indicative)
Hardness (after quench/temper)64 – 66 HRC
Annealed hardness≤ 269 HB
Hot hardnesshigher than M2 thanks to Co
Structurealloyed ledeburitic (M6C / MC carbides)

Density and hardness are indicative values; they vary with the heat-treatment condition and the analysis of the individual batch. Certified values on request.

03 · Typical applications

Where our HSS M35 ends up.

→ 01

High-performance tools

Drills, milling cutters and taps for stainless steels and difficult alloys.

→ 02

Heavy-duty machining

Cutting at high speeds and temperatures, heavy roughing.

→ 03

Premium bimetal blades

M35 teeth on hardenable steel bodies.

→ 04

Cobalt recovery

Strategic charge for remelting and recovery of Co and W.

04 · Forms handled

We collect HSS M35 in every form.

01

Bulk scrap

End-of-life cobalt tools, offcuts and cut-offs.

02

Turnings and chips

Grinding and turning chips from tool shops.

03

Bar cut-offs

Drops and cut-offs of rolled or ground rounds.

06 · Quotation

Have HSS M35 to sell?

Send us the material, approximate quantity and collection area: we will reply with a fast and competitive quotation.

Tel +41 91 9856992
Mobile +39 3494906948
contacts@giulianimetalli.com