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| NITRIDING |
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| Nitriding
is a method for enriching the surface layer
of ferrous materials with defined quantities
of nitrogen or, in the case of nitrocarburising,
of nitrogen and carbon. This not only enhances
the hardness, but also the abrasion resistance,
fatigue strength, and corrosion resistance.
Also improved are the antiseize and antifrictional
properties. At the same time, there are no
structural transformations from austenite
to martensite, so high dimensional stability
is ensured. |
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As
a rule, nitriding penetrates to depths of
max 0.8 mm. Profundinieren, a deep nitriding
method developed by Dr.-Ing. Helmut Reese,
even penetrates to depths exceeding 1.0 mm,
depending on the material. Provided that the
corresponding steels are used, non-deforming
nitriding is in many instances a viable alternative
to case and surface hardening. Nitriding steels
are listed under DIN 17211 and EN 10085.
Our specialists at Härterei Reese assist
the designer in the choice of materials. |
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