Series 55M, 55MCR, 55MBAeAp AeVcDiame (mter (D1) m)
MetricHardnessAe x D1Ap x D1(m/min)6810121620
Profile117RPM622046653732311023331866
CARBON STEELS≤ 0.25≤ 1.5(94-141)Fz0.0220.0360.0610.0700.0720.085
1018, 1040, 1080, 1090 10L50 1140≤ 275 BhnFeed (mm/min)67284611451082836796
, , , 1212, 12L15, 1525, 1536or ≤ 28 HRcHSM192RPM1017976346107508938173054
≤ 0.05≤ 2(154-230)Fz0.0430.0730.1230.1370.1410.154
PFeed (mm/min)219827693746348126872345
Profile99RPM525139383151262619691575
≤ 0.25≤ 1.5Fz0.0170.0280.0450.0530.0540.064
ALLOY STEELS 4140, 4150, 4320,≤ 375 Bhn(79-119)Feed (mm/min)441546571693529504
5120, 5150, 8630, 86L20, 50100or ≤ 40 HRcHSM162RPM856364225138428232112569
≤ 0.05≤ 2(129-194)Fz0.0340.0550.0910.1030.1050.128
Feed (mm/min)143817812329220916851644
Profile53RPM28272121169614141060848
≤ 0.25≤ 1.5(43-64)Fz0.0120.0210.0350.0380.0440.048
H TOOL STEELS A2 D2 H13 L2 M2≤ 375 BhnFeed (mm/min)170226294271231204
, , , , , P20, S7, T15, W2or ≤ 40 HRcHSM88RPM468635142811234317571406
≤ 0.05≤ 2(71-106)Fz0.0240.0410.0670.0770.0840.093
Feed (mm/min)562712937900742656
Profile143RPM759456954556379728482278
CAST IRONS≤ 0.25≤ 1.5(115-172)Fz0.0220.0360.0610.0700.0770.085
(LOW & MEDIUM ALLOY≤ 220 BhnFeed (mm/min)8201033139713211093972
) Gray, Malleable,or ≤ 19 HRcHSM215RPM1139185436834569542713417
Ductile≤ 0.05≤ 2Fz0.0430.0730.1230.1370.1510.171
(172-258)Feed (mm/min)246030994192389532262916
KPfil110RPM581643623490290821811745
roe≤ 0.25≤ 1.5Fz0.0170.0280.0450.0530.0590.064
CAST IRONS (HIGH ALLOY)≤ 260 Bhn(88-132)Feed (mm/min)489605791768642558
Gray, Malleable, Ductileor ≤ 26 HRcHSM165RPM872565445235436232722617
≤ 0.05≤ 2Fz0.0340.0550.0910.1030.1130.128
(132-198)Feed (mm/min)146618152373225118431675

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