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Speed & Feed Recommendations
7, 7B HARDNESS CUT SPEED 1/8 1/4 FEED (inch/flute) 3/4 1
Fractional BRINELL Type sfm 3/8 1/2
0.00069 0.0018 0.0055 0.0064
CARBON STEEL 175 Finish 825 0.0035 0.0046 0.0055 0.0064
1018, 1040, 1080, 1090, Finish 0.00069 0.0018 0.0041 0.0048
10L50, 1140, 1212, 12L15, > 175 Finish 720 0.0035 0.0046
1525, 1536 275 Finish 0.00051 0.0014
Finish 605 0.0026 0.0034
ALLOY STEEL 275 Finish
4140, 4150, 4320, 5120, Finish 410 0.00051 0.0014 0.0026 0.0034 0.0041 0.0048
5150, 8630, 86L20, 50100 > 275 Finish
375 Finish
Finish
TOOL STEEL 250 565 0.00036 0.0010 0.0018 0.0024 0.0029 0.0034
A2, D2, H13, L2, M2, Finish
P20, S7, T15, W2 > 250 350 0.00029 0.0008 0.0015 0.0020 0.0024 0.0028
375 Finish
CAST IRON 220 Finish 605 0.00055 0.0015 0.0028 0.0037 0.0044 0.0052
Gray, Malleable, Ductile > 220
260 450 0.00055 0.0015 0.0028 0.0037 0.0044 0.0052
STAINLESS (free machining) 275
303, 416, 420F, 430F, 440F 275 420 0.00036 0.0010 0.0018 0.0024 0.0029 0.0034
STAINLESS (difficult) 325 290 0.00034 0.0009 0.0017 0.0020 0.0027 0.0031
304, 304L, 316, 316L
350 265 0.00029 0.0008 0.0015 0.0020 0.0024 0.0028
STAINLESS (PH)
17-4PH, 15-5PH, Custom 300 300 0.00038 0.0010 0.0019 0.0025 0.0030 0.0035
450, 16-6PH, PH13-8Mo 80 0.00030 0.0008 0.0014 0.0019 0.0023 0.0034
TITANIUM
Ti5Al-5V-5Mo,
Ti6Al4V, Ti-7Al4Mo
HIGH TEMPERATURE ALLOY
Inconel, Rene, Waspalloy
CUT TYPE rpm = sfm x 3.82 / D1
FINISH ipm = (inch/flute) x 4 x rpm
Rw = .02 x D1 • maximum recommended depths shown
Ad = L2 • adjust feed as required for optimum results
• reduce speed and feed for materials harder than listed
• refer to the SGS Tool Wizard for more complete technical information
(available at )
END MILLS END MILLS 63
sgs@sgs-tool.ru
www.sgs-tool.ru
