Carbide Inserts for Turning Carbon & Alloy Steel General Use

Carbide Inserts for Turning Carbon & Alloy Steel also for General use by APT Carbide

Available in Grade PC15 which is very wear resistant for high productivity under stable conditions with continuous cutting

Grade PC25 is our most advanced CVD grade, it has a very smooth surface and highly wear resistant top coating layer first choice for general turning of steel

Grade PC35 is the toughest in our P range and is best suited to lower cutting speeds, roughing, interrupted cutting and unfavorable conditions

Chip breaker 'FP' for finish turning of steel

Chip breaker 'MPN'  features optimized geometry which improves chip evacuation and lowers cutting forces reducing temperature at the cutting edge and offers increase feed range

Chip breaker 'RP' for rough turning of steel

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Recommended Cutting Conditions - Speeds and Feeds for APT Carbide Turning Inserts for Steel & General Use
Material
Chip Groove + Grade (ISO)
Cutting Speed m/min
Feed mm/rev
Depth of Cut
Plain Carbon Steel 125 HB
MPN PC25 (P20-P30)
190-290
0.15-0.40
1.0-5.0
Plain Carbon Steel 150-300 HB
MPN PC25 (P20-P30)
140-230
0.15-0.40
1.0-5.0
Low Alloyed Steel 180-300 HB
MPN PC25 (P20-P30)
100-230
0.15-0.40
1.0-4.5
Low Alloyed Steel 350 HB
MPN PC25 (P20-P30)
80-170
0.15-0.35
1.0-4.0
High Alloyed & Tool Steel 200-350 HB
MPN PC25 (P20-P30)
100-210

0.15-0.30

1.0-3.5
Corrosion Resistant Steel 200-325 HB
MPN PC25 (P20-P30)
70-100
0.15-0.20
1.0-2.5
Stainless Steel 180-200 HB
MPN PC25 (M20-M30)100-210
0.15-0.25
1.0-3.0
Hardened Stainless 330 HB
MPN PC25 (M20-M30)
70-100
0.15-0.20
1.0-2.5
Cast Iron Ferritic 130-180 HB
MPN PC25 (K20-K25)
130-220
0.15-0.40
1.0-4.5
Cast Iron Pearlitic 230-260 HB
MPN PC25 (K20-K25)
120-200
0.15-0.35
1.0-4.0
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