Photogallery Alloy Delivery conditions 6Al4V MSRR8624, TU 0964-447-07510017-98 BT, BT9, BT3-1,BT6, BT20, OT4 OST 190002 Ni alloys OST 190002 Forged blades are exposed to thermal processing for maintenance of a required level of properties, to the control of mechanical properties over the normal and raised temperatures, the control macro and microstructures.