Page 11 - Carmex - Slim MT Inch

Slim MT ®

Cutting Data

MT17 Advanced NEW submicron carbide grade with multi-layer PVD coating, provides high performance in all machining
conditions. The new grade ensures high abrasive wear resistance, machining wide range of materials including steels,
tough and difficult materials and high alloyed steels.

Cutting Conditions
ISO Material Conditions
Cutting Speed Feed Rate
(ft/min) (inch/tooth)
Annealed < 0.25% C 360-720
Annealed ≥ 0.25% C 330-690
Non-Alloy Steel and Cast Steel, Annealed ≥ 0.55% C 295-490 ( .0022 * D ) /.87
Free Cutting Steel
Quenched & Tempered < 0.55% C 230-460
Quenched & Tempered ≥ 0.55% C 180-230
P Low Alloy Steel and Cast Steel Annealed 200-360
(less than 5 % alloying elements Quenched & Tempered 200-295
( .0022 * D ) /.87
Annealed 180-295
High Alloy Steel, Cast Steel, and
Tool Steel
Quenched & Tempered 150-260
Ferritic 295-655
Martensitic 260-520 ( .0022 * D ) /.87
M Stainless Steel and Cast Steel Austenitic 200-360
High alloy Austenitic & Duplex 130-230 ( .0018 * D ) /.87
Ferritic 295-410
Cast Iron Nodular (GGG)
Pearlitic 295-360
Ferritic 360-475
K Grey Cast Iron (GG) (.0022 * D ) /.87
Pearlitic 260-410
Ferritic 360-410
Malleable Cast Iron
Pearlitic 260-390

Not Cureable 440-1150
Aluminum-Wrought Alloy
Cured 330-885
Not Cureable ≤ 12% Si 295-885
Aluminum-Cast, Alloyed Cured 295-740
N High Temperature > 12% Si 295-590 ( .0020 * D ) /.87
Free Cutting > 1 % Pb 230-740
Copper Alloys Brass 230-590
Electrolytic Copper 230-885
Duroplastics, Fiber Plastics 230-885
Non Metalic
Hard Rubber 230-885
High Temperature/Super Alloys Annealed 100-160
(Fe based) Cured

Annealed
S High Temperature/Super Alloys ( .0015 * D ) /.87
(Ni or Co based) Cured 80-150
Cast
Titanium Alloys Alpha + Beta Alloys Cured 100-130

D= Cutting diameter.
11