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| Material Number | 1712949 |
| ISO Catalog ID | SPHX1205PCERGP4SB |
| ANSI Catalog ID | SPHX1205PCERGP4SB |
| Grade | KC520M |
| [L10] Insert Cutting Edge Length | 11.07 mm |
| [L10] Insert Cutting Edge Length | .4358 in |
| [S] Insert Thickness | 5.5 mm |
| [S] Insert Thickness | .2165 in |
| [BS] Corner Facet Length | 0.7 mm |
| [BS] Corner Facet Length | .0276 in |
| Average Chip Thickness [HM] | 0.02 mm |
| Average Chip Thickness [HM] | .0008 in |
| Cutting Edges per Insert | 4 |
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 | .E..GPB | KC520M | .E..GPB | KCK15 | .S..GPB | KCK15 |
| K3 | .E..GPB | KC520M | .E..GPB | KCK15 | .S..GPB | KCK15 |
| 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% | ||||||||||||
| .E..GPB | .005 | .019 | .033 | .003 | .013 | .023 | .003 | .010 | .018 | .002 | .009 | .015 | .002 | .008 | .014 | .E..GPB |
| .T..GPB | .009 | .023 | .037 | .007 | .017 | .027 | .005 | .013 | .020 | .004 | .011 | .017 | .004 | .010 | .016 | .T..GPB |
| .S..GPB | .009 | .023 | .037 | .007 | .017 | .027 | .005 | .013 | .020 | .004 | .011 | .017 | .004 | .010 | .016 | .S..GPB |
| Light | General | Heavy |
| Material Group | KB1340 | KC520M | KCK15 | KTPK20 | KCPK30 | KY3500 | |||||||||||||
| P | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| M | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| K | 1 | 4500 | 3000 | 1600 | 880 | 800 | 710 | 1380 | 1255 | 1115 | 760 | 640 | 530 | 965 | 875 | 780 | 2640 | 2400 | 2130 |
| 2 | – | – | – | 690 | 620 | 580 | 1095 | 975 | 910 | 600 | 490 | 430 | 770 | 690 | 630 | 2090 | 1870 | 1740 | |
| 3 | – | – | – | 580 | 520 | 470 | 920 | 815 | 750 | 500 | 420 | 350 | 645 | 575 | 530 | 1760 | 1560 | 1430 | |
| N | 1–2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| S | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| 4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
| H | 1 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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