1638 Types of drilling chips Shape Features and Ease of Raking Conical Spiral Fan-shaped chips cut by the cutting edge are curved by the flute Chips of | 1639 Formulae for drilling Cutting speed Feed of the main spindle (vf) What is the drilling time required for drilling a 30mm length hole in alloy steel | 1640 Metallic materials cross reference list Carbon steel Country Japan Germany U K France Italy Spain Sweden USA China Standart JIS W-nr IN BS EN AFNOR | 1642 Metallic materials cross reference list Stainless steel (Ferritic, Martensitic, Austenitic) Country Sweden USA China Japan Germany U K France Italy | 1643 Metallic materials cross reference list Stainless Austenitic steel Heat Resistant Steels Gray, ductile and malleable cast iron Country Germany U K | 1644 Die steels Classification JIS (Others) Aichi Steel Works Uddeholm Kobe Steel Ltd Sumitomo Metal Industries Ltd Daido Steel Co Ltd Nippon Koshuha Hi |