Heat treatment of the heavy section 17-4PH castings will consist of homogenization at 2100 degrees F, solution at 1900 deg.F, followed by hardening at 1150 deg.F.
We are anticipating casting 17-4 PH stainless steel. The castings will weigh 6000-8000 pounds. The wall thicknesses will average about 4-5 inches. The chemistry will be as specified in CB7CU1. Any input from foundrymen knowledgeable with these castings would be appreciated, specifically - do...