Rapidur 3243

Alternative and trade names
DIN EN ISO HS6-5-2-5, 1.3243, AISI M35, AFNOR Z85WDKCV06-05-05-04-02
Want to keep this datasheet? Save it now in your required format

Description

1.3243 (HS6-5-2-5) Quenched and Tempered high-speed steel which due to its cobalt content shows high red hardness and tempering resistance. As a consequence, this grade is particularly suitable for conditions involving thermal stresses and discontinuous cutting.

Equivalent Materials

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Mechanical

PropertyValueComment

Hardness, Brinell

269.0

Show Supplier Material materials with Hardness, Brinell of 269.0

annealed

Hardness, Rockwell C

64.0 - 67.0 [-]

Show Supplier Material materials with Hardness, Rockwell C of 64.0 - 67.0 [-]

Chemical properties

PropertyValue

Carbon

0.92

Show Supplier Material materials with Carbon of 0.92

Chromium

4.1

Show Supplier Material materials with Chromium of 4.1

Cobalt

4.8

Show Supplier Material materials with Cobalt of 4.8

Molybdenum

5.0

Show Supplier Material materials with Molybdenum of 5.0

Tungsten

6.4

Show Supplier Material materials with Tungsten of 6.4

Vanadium

1.9

Show Supplier Material materials with Vanadium of 1.9

Technological properties

Property
Application areas

Heavy-duty milling cutters, highly stressed twist drills and taps, profile knives, machining of high-strength materials, broaches

Heat Treatment

Soft annealing: 820-860°C (Cooling in furnace) - Stress relief annealing: 630-650°C (Cooling in furnace) - Hardening: 1190-1230°C and quenching in air, oil or salt bath T=550°C - Tempering: at least 3 times 540-570°C