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| Material Number | 1874250 |
| ISO Catalog ID | MDHX1004ZDFRGD4W |
| ANSI Catalog ID | MDHX1004ZDFRGD4W |
| Grade | KC520M |
Grades
KC520M
Coated carbide grade with TiAlN coating (PVD). KC520M is a carbide grade developed specifically for general machining of ductile cast iron. This grade can be used with or without coolant.
Create Solution to calculate Feeds and Speeds
After creating a solution just choose the Feeds & Speeds icon and our system will provide recommendations. You can customize the information by adding your machine and specifications or make adjustments using the sliders.
| Material Group | Light | General | Heavy | |||
| (Light geometry) | – | (Strong geometry) | ||||
| wear |  | toughness | ||||
| Geometry | Grade | Geometry | Grade | Geometry | Grade | |
| P1–P2 | – | – | – | – | – | – |
| P3–P4 | – | – | – | – | – | – |
| P5–P6 | – | – | – | – | – | – |
| M1–M2 | – | – | – | – | – | – |
| M3 | – | – | – | – | – | – |
| K1–K2 | .F..GD4W | KC520M | .E..GD4W | KC520M | .E..GD | KC520M |
| K3 | .F..GD4W | KC520M | .E..GD4W | KC520M | .E..GD | KC520M |
| N1–N2 | – | – | – | – | – | – |
| N3 | – | – | – | – | – | – |
| S1–S2 | – | – | – | – | – | – |
| S3 | – | – | – | – | – | – |
| S4 | – | – | – | – | – | – |
| H1 | – | – | – | – | – | – |
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 5% | 10% | 20% | 30% | 40–100% | ||||||||||||
| .F..GD4W | 0,23 | 0,84 | 1,41 | 0,17 | 0,60 | 1,01 | 0,13 | 0,45 | 0,75 | 0,11 | 0,39 | 0,66 | 0,10 | 0,36 | 0,60 | .F..GD4W |
| .E..GD4W | 0,26 | 0,93 | 1,67 | 0,19 | 0,67 | 1,19 | 0,14 | 0,50 | 0,88 | 0,12 | 0,44 | 0,77 | 0,11 | 0,40 | 0,70 | .E..GD4W |
| .E..GD | 0,26 | 1,03 | 1,90 | 0,19 | 0,74 | 1,35 | 0,14 | 0,55 | 1,00 | 0,12 | 0,48 | 0,87 | 0,11 | 0,44 | 0,80 | .E..GD |
| Light | General | Heavy |
| Insert Geometry | Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) | Insert Geometry | ||||||||||||||
| 10% | 20% | 30% | 40% | 50–100% | ||||||||||||
| .F..GD4W | .004 | .005 | .007 | .003 | .004 | .005 | .003 | .003 | .004 | .003 | .003 | .004 | .003 | .003 | .004 | .F..GD4W |
| .E..GD4W | .005 | .006 | .008 | .004 | .005 | .006 | .003 | .004 | .005 | .003 | .004 | .005 | .003 | .004 | .005 | .E..GD4W |
| .E..GD | .005 | .006 | .008 | .004 | .005 | .006 | .003 | .004 | .005 | .003 | .004 | .005 | .003 | .004 | .005 | .E..GD |
| Light | General | Heavy |
| Material Group | K110M | KC520M | KTPK20 | |||||||
| P | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| 5 | – | – | – | – | – | – | – | – | – | |
| 6 | – | – | – | – | – | – | – | – | – | |
| M | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| K | 1 | 155 | 145 | 135 | 325 | 295 | 260 | 275 | 235 | 195 |
| 2 | 135 | 130 | 120 | 255 | 225 | 215 | 220 | 180 | 160 | |
| 3 | 120 | 105 | 95 | 215 | 190 | 170 | 185 | 150 | 130 | |
| N | 1–2 | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – |
| Material Group | K110M | KC520M | KTPK20 | |||||||
| P | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| 5 | – | – | – | – | – | – | – | – | – | |
| 6 | – | – | – | – | – | – | – | – | – | |
| M | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| K | 1 | 510 | 480 | 450 | 1060 | 960 | 850 | 910 | 770 | 640 |
| 2 | 450 | 420 | 390 | 830 | 740 | 700 | 720 | 590 | 520 | |
| 3 | 400 | 350 | 310 | 700 | 620 | 560 | 600 | 500 | 420 | |
| N | 1–2 | 1980 | 1860 | 1770 | – | – | – | – | – | – |
| 3 | 1620 | 1440 | 1260 | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – |
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