Thanks to Ipsen's patented SolNit® process, users can increase the strength of the rust-resistant steel surface and are therefore more resistant to mechanical (wear, corrosion, cavitation, etc.) and chemical attack (corrosion, friction). corrosion).

It is well known that the use of conventional alloying techniques does not increase the strength of rust-preventing steels because nitrogen cannot be effectively dissolved in molten steel. Ipsen found a solution to this problem: the solid solution nitriding (SolNit®) process. The surface layers of austenitic and martensitic anti-rust steels can be hardened by nitriding the surface layer to 0.1–3 mm. The steel is treated at a temperature of 1050 to 1150 ° C in a nitrogen atmosphere and then cooled quickly, suppressing the separation of the nitride due to corrosion.

There are two different process types: SolNit®-M (for martensite) suitable for use in rust-proof ball bearings and tools for medical technology, food and polymer processing, and resistance in processing, chemical and pump manufacturing. Grinding parts. SolNit®-A (austenitic and double steel) is used in fluid machines such as pumps, turbines and related accessories because it greatly enhances the ability to form cavitation.

However, other Ipsen furnaces currently in use can easily be upgraded with these processes. L. Oimann, Acting Sales Director of Epson AG, Germany, said: "These two processes can help our customers to provide new high quality steel to the market."

The Ipsen Power Quenching (SuperQuench) system also provides good quenching for low alloy, low hardenability steels.

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