... cutlery and blades. Cutlery, surgical and dental instruments, springs, molds for plastics, pump shafts, valve parts, hand tools, pipe flanges and fittings ... Drawn, Turned & Polished(H10, H11), Precision Ground(H9, H8)Test: Ultrasonic test according to SEP 1921-84Heat TreatmentSub-Critical Annealing:Heat ...