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Roughing End Mills — Carbide

                 CARBIDE ROUGHERS — SFM & CHIP LOAD

                 MATERIALS                             HARDNESS  SFM         SFM       CHIP LOAD PER TOOTH
                                                                            ALTIN
                                                       HRC       UNCOATED              1/4"-1/2"  1/2"-1"

LOW AND PLAIN CARBON, ALLOY & TOOL STEELS              <19       258 - 345  430 - 575  .0015 - .0030 .0030 - .0045

LOW AND PLAIN CARBON, ALLOY & TOOL STEELS              20 - 30   210 - 258  350 - 430 .0015 - .0030 .0030 - .0045

LOW AND PLAIN CARBON, ALLOY & TOOL STEELS              31 - 40   126 - 192  210 - 320 .0011 - .0021 .0021 - .0032

AUSTENITIC STAINLESS STEELS, 200 & 300 SERIES 135-275  <28       150 - 300  250 - 500 .0010 - .0025 .0025 - .0040

FERRITIC, MARTENSITIC 400, 500, & PH STAINLESS STEELS  <35       135 - 258  225 - 430 .0015 - .0030 .0030 - .0045

TITANIUM ALLOYS                                        32 - 43   75 - 129   125 - 215 .0009 - .0018 .0018 - .0027

NICKEL-BASED HIGH TEMPERATURE ALLOYS                   <32       39 - 87    65 - 145 .0009 - .0018 .0018 - .0027

NICKEL-BASED HIGH TEMPERATURE ALLOYS                   32 - 50   33 - 66    55 - 110 .0009 - .0018 .0018 - .0027

COBALT-BASED HIGH TEMPERATURE ALLOYS                   <45       27 - 45    45 - 75    .0009 - .0018 .0018 - .0027
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