
Step 2 - Select the grade WIPER Negative Insert Geometry WIPER Positive Insert Geometry Cutting Cutting -FW -MW -GW -FW -MW Condition Condition heavily KYK25/ KCP10B/KCP10/ heavily KCP10B/KCP10/ KCP10B/KCP10/ - interrupted cut KY3500 KCP25C interrupted cut KCP25C KCP25C lightly KCK15B/KCK15/ KCP10B/KCP10/ lightly interrupted KCP10B/KCP10/ KCP10B/KCP10/ KYHK15B interrupted cut KYK25/KY3500 KCK15B/KCK15 cut KCK15B/KCK15 KCK15B/KCK15 varying depth varying depth of KCK15B/KCK15/ KCK15B/KCK15/ KCK20B/KCK20/ KCK20B/KCK20/ of cut, casting, KYHK15B cut, casting, or KYK25/KY3500 KCP05B/KCP05 KCP10B/KCP10 KCP10B/KCP10 or forging skin forging skin smooth cut, KYK25/KY3500/ smooth cut, KCK15B/KCK15/ KCK20B/KCK20/ KCK20B/KCK20/ pre-turned KCK15B/KCK15/ KYHK15B pre-turned KCP05B/KCP05 KCP10B/KCP10 KCP10B/KCP10 surface KCP05B surface smooth cut, smooth cut, high KCU10B/KTP10/ KCU10B/KTP10/ KCU10B/KTP10/ high precision / KCU10B KYHK15B precision / tight KT315 KT315 KT315 tight tolerance tolerance NOTE: Bold is first choice when showing multiple grades. Step 3 - Select the cutting speed Gray Cast Iron m/min SFM material group grade MIN START MAX MIN START MAX KTP10/KT315 150 275 440 490 900 1440 KCU10B 150 275 440 490 900 1440 KCK05B/KCK05 240 450 615 790 1480 2020 KCK15B/KCK15 200 360 550 660 1180 1800 K1 KCK20B/KCK20 200 300 550 660 980 1800 KYHK15B 450 700 950 1480 2300 3120 KY3500/KYK25/KYK10 350 760 1040 1150 2490 3410 KBK45/ KB1340 600 760 1200 1970 2490 3940 KB5630/KB1345 550 760 1200 1800 2490 3940 Low- and Medium-Strength Ductile Irons (Nodular Irons) and m/min SFM Compacted Graphite Irons (CGI); <600 MPa Tensile Strength material group grade MIN START MAX MIN START MAX KTP10/KT315 150 275 440 490 900 1440 KCU10B 125 250 410 410 820 1350 KCK05B/KCK05 240 360 500 790 1180 1640 K2 KCK15B/KCK15 150 270 450 490 890 1480 KCK20B/KCK20/KCPK05 150 240 420 490 790 1380 KYHK15B 360 560 760 1180 1840 2490 High-Strength Ductile and Austempered Ductile Iron (ADI) m/min SFM Malleable Cast Irons; >600 MPa Tensile Strength material group grade MIN START MAX MIN START MAX KTP10/KT315 150 230 440 490 750 1440 KCU10B 110 225 375 360 740 1230 KCK05B/KCK05 155 240 445 510 790 1460 K3 KCK15B/KCK15 140 215 380 460 710 1250 KCK20B/KCK20/KCPK05 140 210 350 460 690 1150 KCP30B/KCP30/KCP40/KCP40B 115 120 160 380 390 520 74