CONTROLLED GAS NITRIDING OF 40HM AND 38HMJ STEEL

The article describes the results of investigations of controlled gas nitriding processes of alloyed structural steel grades 40HM and 38HMJ, used for machine components exposed to corrosion, wear and contact fatigue in service. Examples are given of process design enabling the formation of nitrided cases on alloyed steels with an iron nitride compound layer at the surface, designated for fatigue applications and as substrate for duplex processes.

• Piotr Wach
• Michalski Jerzy

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