Process Boronising
Boronising provides good resistance against abrasive and adhesive wear, high temperatures, and corrosion. It increases the lifetime of extrusion, moulding, cutting, and forging tools. All kind of steel can be processed, but alloy elements reduce adhesion.

The process is carried out with powders or pastes. Layer thickness 50-150 micron, 300 for abrasive resistance. The part's volume increases up to 30% (important for tolerances). Only finished parts are treated for avoiding difficult post machinings.

Long-time process (1-8 h at 800-1000 C) with limited shape capabilities. Hardening and tempering are necessary post-treatments.
Danish Name Borering
Category Surface treatments, Thermal diffusion processes
Materials Substrates:
Plain carbon steel
Low alloyed carbon steels
Boron (diffusion material)
Price notes The variable cost of boronising one kg of substrate is about 15/30 DKK.
Price date November 1996
Photo Thomas Nissen (Computer graphics)
Copyright © 1996-2003 Torben Lenau
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