Best Nitriding
Industrial
Hello sirs,
With the reference to the following subjected information Surface cracking after liquid nitriding thread332-296883, like wise we also identified the cracks in MPI from 0.21 - 0.24mm depth after liquid nitriding process of 16MnCr5 shaft. The process cycle is followed as 1. Cleaning 2. Pre-Heating @ 400°C - 1 Hour soaking 3. Liquid Nitriding @ 565°C - 6 Hours with carbonate of 19% 4. Water Quenching immediate (5 Mins) from liquid bath 5. Post Washing & Cleaning 6. Oxidation @400°C - 30 Mins
7. Water Quenching ( Separate ) immediate from oxidation bath 8. Washing & Cleaning 9. Inspection 10. Dispatch. The photographic samples of analysis is attached. Pls give suggestions.
Thanking you.
[URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882321/tips/Cracks_Micro_didaqa.bmp[/url][URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882321/tips/Cracks_1_q1r96a.bmp[/url][URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882323/tips/Cracks_ewgexr.bmp[/url]
With the reference to the following subjected information Surface cracking after liquid nitriding thread332-296883, like wise we also identified the cracks in MPI from 0.21 - 0.24mm depth after liquid nitriding process of 16MnCr5 shaft. The process cycle is followed as 1. Cleaning 2. Pre-Heating @ 400°C - 1 Hour soaking 3. Liquid Nitriding @ 565°C - 6 Hours with carbonate of 19% 4. Water Quenching immediate (5 Mins) from liquid bath 5. Post Washing & Cleaning 6. Oxidation @400°C - 30 Mins
7. Water Quenching ( Separate ) immediate from oxidation bath 8. Washing & Cleaning 9. Inspection 10. Dispatch. The photographic samples of analysis is attached. Pls give suggestions.
Thanking you.
[URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882321/tips/Cracks_Micro_didaqa.bmp[/url][URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882321/tips/Cracks_1_q1r96a.bmp[/url][URL unfurl="true"]https://res.cloudinary.com/engineering-com/image/upload/v1695882323/tips/Cracks_ewgexr.bmp[/url]
