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1.3243 | HS6-5-2-5 +QA+T nitrided - 1
1.3243 | HS6-5-2-5 +QA+T nitrided - 1
1.3243 | HS6-5-2-5 +QA+T nitrided - 1
1.3243 | HS6-5-2-5 +QA+T nitrided - 1

1.3243 | HS6-5-2-5 +QA+T nitrided

Numeric designation1.3243
Chemical designationHS6-5-2-5
State+QA+T nitrided
Etching3 % Nital

Etching makes the diffusion layer visible, but there is no compound layer. From 870 HV 0.5 (66 HRC) in the core, nitriding increased the hardness to about 1100 HV 0.5 right below the surface.

Edge zone

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