Fig. 1.
![The main magnetization, the magnetic hysteresis loop, and the related magnetic characteristics [11]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/66e26ad87d402026d60a22d9/j_tar-2024-0013_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBB6FQMPH%2F20260318%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260318T160222Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjED4aDGV1LWNlbnRyYWwtMSJHMEUCIQDHvADvXmqYTWfoDAKGUCwg%2BBPAIYGj%2FRm7%2FL%2FLjAoDLQIgB8VLaEPQjjleWgOrdlUOHaw3kWD%2BGYTZec6Y8t%2FrP5cqvQUIBxACGgw5NjMxMzQyODk5NDAiDIxaO7J4%2BbV8bwX4OCqaBQMyrn%2BzKNsxUgSW%2FmMgzv7vFasUUrVFZ57wvcKKg%2F92yqerJ%2Fa%2BLAicsBfrqkzMmnaK480spPVvpy7If257%2B59Do68fOXp%2FfyD5iFZGmjBSeZFHV6F0g%2FscPfrnlkTg9w6lnms%2FgMRlZu%2FvRwBFRsDTv6zSgSao%2BLsP0V8a99w0TB0NmjK8as2fSduEq1aAGBi0MjAsjnCiI7BX6C0U5qrjEVD2ug5Zv%2F9odcSFYUpNiE4twE4zSCZ4C%2F9UNPRGCHkw7qSusSgH6T1CRLGta01jbuf9cP0euHpm7PjD1R8k4fRvyrbzpaIqoNIrF3fty6OCfMaPcNEPKY%2FbdzcdWpa6uNiCVkg3D80YlscqL1R7RrWjkqKG9lsp3x7i9Unu7qVCz2psX4OGNHlFlxT85x9dOLQGhR4oty2Ip5iCYSKFNHlq8zWA8Qmju6pf5u0aAmELF51bnOmaTxjMQDFX0yKq5AKLUDfepKJXMm1W3KEu0KGI661%2B%2FiUwO6bx%2FEXodiN3UhoDhSlaWsxjNeooN05q5yPYhbiwplH9d4mXYgy4CcLt%2FHLTkAYIgYrcoMp0PQqg5Qv27duP53GQ7HhxtrqDoWX5rmktOr7zeVTqEDK8qV09fSfKFbzdUDpuuvBZU1H8f0Q6Aj9itgFa7BcKCkermDiyBeF8YYwNDTPfHQiByQy4qxlfZwf36cGcjmwCdVIe1UCvj8qvHesRU%2F9TfKvM3WVQhCTD59bEXhRncjdnQfSrL%2Fqse8Naj9saSKzxtQop%2B1bMXjMJytZY4SPf%2FPOGrJLxkQweVROV8ypA%2F2TQlfYzphwguyJMz9KzR3vUYoG%2F73%2Bwkiuq8cdrl8woh9%2FzxYBPpBiiU1KUVzyCnS3o7FLky04KKfS89zDD4urNBjqxAV6XsBlUSaXk1jU1mvFzZSTCkBQaRWV2%2F071ql6gl2b8T23WnJaTJAO4iQrWwCbK8YbvH%2Byh7WDmjWeU8WpzhsLL6Z0wcn%2FgYerjnwrpA2G6dvOW%2BYWlsEe7Q9ZmyJHGIhGIPw%2BduJ37DwdNynaZ74rH646tIApaz5Rv1AAjZpmr5uWfHPrgonXXShNnwv3Gve9yyh8cvNltmUHwFRTR%2FVmgPb%2FTQSLM8uNBH7hW68phAQ%3D%3D&X-Amz-Signature=d81655c67fed3221f32460f6fe95ea72e8d89906883fcd3058b261b921dbc8c5&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2.
![The hysteresis loop changes for steel subjected to cold working or caused by the non-magnetic addition: soft (1) and hardened (2) steels [11]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/66e26ad87d402026d60a22d9/j_tar-2024-0013_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBB6FQMPH%2F20260318%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260318T160222Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjED4aDGV1LWNlbnRyYWwtMSJHMEUCIQDHvADvXmqYTWfoDAKGUCwg%2BBPAIYGj%2FRm7%2FL%2FLjAoDLQIgB8VLaEPQjjleWgOrdlUOHaw3kWD%2BGYTZec6Y8t%2FrP5cqvQUIBxACGgw5NjMxMzQyODk5NDAiDIxaO7J4%2BbV8bwX4OCqaBQMyrn%2BzKNsxUgSW%2FmMgzv7vFasUUrVFZ57wvcKKg%2F92yqerJ%2Fa%2BLAicsBfrqkzMmnaK480spPVvpy7If257%2B59Do68fOXp%2FfyD5iFZGmjBSeZFHV6F0g%2FscPfrnlkTg9w6lnms%2FgMRlZu%2FvRwBFRsDTv6zSgSao%2BLsP0V8a99w0TB0NmjK8as2fSduEq1aAGBi0MjAsjnCiI7BX6C0U5qrjEVD2ug5Zv%2F9odcSFYUpNiE4twE4zSCZ4C%2F9UNPRGCHkw7qSusSgH6T1CRLGta01jbuf9cP0euHpm7PjD1R8k4fRvyrbzpaIqoNIrF3fty6OCfMaPcNEPKY%2FbdzcdWpa6uNiCVkg3D80YlscqL1R7RrWjkqKG9lsp3x7i9Unu7qVCz2psX4OGNHlFlxT85x9dOLQGhR4oty2Ip5iCYSKFNHlq8zWA8Qmju6pf5u0aAmELF51bnOmaTxjMQDFX0yKq5AKLUDfepKJXMm1W3KEu0KGI661%2B%2FiUwO6bx%2FEXodiN3UhoDhSlaWsxjNeooN05q5yPYhbiwplH9d4mXYgy4CcLt%2FHLTkAYIgYrcoMp0PQqg5Qv27duP53GQ7HhxtrqDoWX5rmktOr7zeVTqEDK8qV09fSfKFbzdUDpuuvBZU1H8f0Q6Aj9itgFa7BcKCkermDiyBeF8YYwNDTPfHQiByQy4qxlfZwf36cGcjmwCdVIe1UCvj8qvHesRU%2F9TfKvM3WVQhCTD59bEXhRncjdnQfSrL%2Fqse8Naj9saSKzxtQop%2B1bMXjMJytZY4SPf%2FPOGrJLxkQweVROV8ypA%2F2TQlfYzphwguyJMz9KzR3vUYoG%2F73%2Bwkiuq8cdrl8woh9%2FzxYBPpBiiU1KUVzyCnS3o7FLky04KKfS89zDD4urNBjqxAV6XsBlUSaXk1jU1mvFzZSTCkBQaRWV2%2F071ql6gl2b8T23WnJaTJAO4iQrWwCbK8YbvH%2Byh7WDmjWeU8WpzhsLL6Z0wcn%2FgYerjnwrpA2G6dvOW%2BYWlsEe7Q9ZmyJHGIhGIPw%2BduJ37DwdNynaZ74rH646tIApaz5Rv1AAjZpmr5uWfHPrgonXXShNnwv3Gve9yyh8cvNltmUHwFRTR%2FVmgPb%2FTQSLM8uNBH7hW68phAQ%3D%3D&X-Amz-Signature=709468d9c78fc424cddd0d453b2f871e0b7fa2896e3336943a1490e82578332d&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Fig. 7.

Fig. 8.

Results of coercive force measurements
| Container | Material | HcB | Average Hc | Min Hc | Max Hc | Difference | Difference |
|---|---|---|---|---|---|---|---|
| type | A/cm | A/cm | A/cm | A/cm | A/cm | % | |
| 1 | 40HMA | 22 | 17.8 | 16.3 | 18.8 | 2.5 | 13 |
| 40HMA | 22 | 15.8 | 14.5 | 16.9 | 2.4 | 14 | |
| 40HMA | 22 | 15.7 | 14.3 | 16.5 | 2.2 | 13 | |
| 2 | 40HA | 20 | 14.6 | 14.2 | 15.3 | 1.1 | 7 |
| 40HA | 20 | 15.1 | 14.6 | 16 | 1.4 | 9 | |
| 40HA | 20 | 14.8 | 13.7 | 15.7 | 2 | 13 | |
| 3 | 40HA | 20 | 13.5 | 12.8 | 15 | 2.2 | 15 |
| 40HA | 20 | 14.7 | 13.8 | 15.7 | 1.9 | 12 | |
| 40HA | 20 | 14.2 | 13.5 | 14.8 | 1.3 | 9 | |
| 4 | 30HGSA | 24 | 18.5 | 18.1 | 18.9 | 0.8 | 4 |
| 30HGSA | 24 | 18.5 | 18 | 18.9 | 0.9 | 5 | |
| 30HGSA | 24 | 19.1 | 18.8 | 19.5 | 0.7 | 4 |