I’m curious about the requirement too but I agree that it doesn’t matter. The client wants their steel tested at -100 deg F, so do it. Someone who is a Director

I’m curious about the requirement too but I agree that it doesn’t matter. The client wants their steel tested at -100 deg F, so do it. Someone who is a Director of Metallurgy should take pride in delivering the product that was asked for, not in think they know better than the Navy.