Rapidur 3344

Alternative and trade names
DIN EN ISO HS6-5-3, 1.3344, AISI M3 Typ 2, AFNOR Z120WDCV06-05-04-03
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Description

1.3344 (HS6-5-3) Quenched and Tempered steel which due to its higher Vanadium and Carbon content shows maximum wear resistance, cutting edge retention and good toughness.

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

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annealed

Hardness, Rockwell C

64.0 - 66.0 [-]

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Chemical properties

PropertyValue

Carbon

1.22

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Chromium

4.1

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Molybdenum

5.0

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Tungsten

6.4

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Vanadium

2.9

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Technological properties

Property
Application areas

Taps, reamers, heavy-duty milling cutters, rotary gear shaping and shaving cutters for processing of hard materials, hexagon socket punches and piercing dies for the nut production

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