... 4)Delivery Time:10-30 days productive capacity: Processing material Aluminum, Carbon steel, Stainless steel,Brass, Titanium alloy,Tungsten steel ... Heat treatment Annealing, normalizing, tempering, quenching,quenching and High temperature tempering ,High frequency heat treatment,etc.Processing capacity +/-0.005mm~Inspection ... provided to our distributor. CNC polished 6061-T6 aluminum base shim plate