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Thanks for your reply. iam using 3mm case depth and controlled heating followed (+2 degree/min). pre heating required for the above process

Hi, How to control the white layer in gas carburising process. we are getting 12 micron white layer if processing upto 0.6mm Nitriding casedepth. please guide us how to reduce the white layer.

Hi, can tell me any one, why pre heating required before carburising process. pre heating helps to control the microstructure (grains).

Dear All, Can you give the any refence chart for bainite structure Vs Hardness in carburised area. Rgds Metalht

Mr redpicker, thanks for your reply, and can you tell me, what is max hardness we can get from troosite structure. Regarding giraffe skin =structure we have inspected the carbon content at surface after quenching is 0.65%C (by spectro machine). We have carbides network near the surface. but...

Dear all, we are doing the gas carburising process in pit type furnace, (average case depth upto 2.8mm). we have observed some different type of microstructure (surface) at certain batch. this structure like a giraffe skin structure. and its coiming only at surface. but we have checked the...