Chris and Rick discuss feeds and speeds as they go over how to figure out surface footage and feed rates for various materials (rates also listed below). Surface footage for materials Aluminum 1000-3000 Brass 850-2000 Bronze 825-1800 1018 600-1200 12L14 600-1200 1020 600-1200 8620 500-800 4140 450-750 6150 400-700 52100 300-600 D2 250-350 A2 250-350 H13 250-350 304 SS 150-400 17-4 SS 125-350 Cast Iron 600-1000 Nodular CI 200-450 Hastelloy 100-200 Ti 80-200 Inconel 718 60-90
Any change in hardness, will effect the speed, These are general speeds.
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