ALL THE PROCUCTS ARE HIGH ALLOY STEELS: HiCHiCr materials.
May be probable chances that in D2/D3 - Hi Cr% material, after tempering, straightening process is done. May be this leads to the cracking and all of these are straightening cracks.
Also probable chances of Quenching cracks.
Thanks for early reply.
The problem is that I am unable to find some suitable metallurgical lab for testing.
We are having lab in house only. But, they are also unable to locate what is the exact issue.
Kindly suggest if U can, some other way either.
We have faced heavy rejections in past couple of months in the Roll Milling Rolls that we manufacture(like Work Roll, Idler Roll, Back up roll, leveller roll) for some of the big market players in the world. In all the materials we are facing this issue, no matter how big the Raw Material...