1.2. PREQUALIFICATION ACTIVITIES Technical alignment with supplier was devoted to clarifying basic spec requirements as well as basic technical expectations for the qualification success.Particular attention has been dedicated to nature and amount of destructive test activities for cut-up, PLQ and production.No BQF has been discussed. No simulation results have been officially discussed in advance to the qualification start.1.3. PRELIMINARY ACTIVITIES PROCESS SIMULATIONSSupplier shall produce a detailed simulation of the forging process in order to analyze:- Total strain obtained from the billet - Temperature profile during forging The main outcome of simulation shall be devoted to the design and approval of forging envelope and test ring positions.Dies machining shall be approved only after simulation approvalBILLET TESTINGRaw material shall be a pre-forged billet. The billet shall have the following requirements:- Delta phase content according to ITN07763.07 par. 3.1 (see sketch below for metallographic positions)- Carbides distribution in same positions of delta phase (for info only)- Grain size in same positions of delta phase (for info only)