PTNT 40 NK240 GTN Style Part-off - Parting Insert 4.1mm PVD Coated for Stainless

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Model: PTNT40NK240
Brand: APT Carbide

Shipped Weight: 6 g

Availability:

In stock, immediate despatch

APT Carbide

Carbide Inserts APT Brand utilising modern Base Grades, MT-CVD & PVD Coatings and proven Chip Geometries

GTN style Carbide Insert for Parting PVD Coated 4.1mm wide Part–Off Insert in Grade NK240 (M30–P40–K40 + PVD TiAlN Coating) first choice for Stainless also suitable for Steel, Cast & high–temp Alloys

Competitors marking for similar product GTN 4.

General Cutting parameters for PTNT 40 NK240

Material	Hardness HB	Cutting Speed VC: m/min	Feed f (mm) Per Revolution	Width of Cut ap(mm)
Non alloyed steel 0-0.45% C	150-250	100-190	0.08-0.30	4.1
Low alloyed steel	250-300	80-160	0.08-0.30	4.1
High alloyed steel	200	50-100	0.08-0.20	4.1
Corrosion resistant steel	200	80-150	0.08-0.30	4.1
Stainless - Ferritic	200	100-140	0.08-0.20	4.1
Stainless - Austenitic	180	80-120	0.08-0.20	4.1
Stainless - Martensitic	330	40-70	0.08-0.15	4.1
Grey cast iron	180	100-190	1.00-0.30	4.1
Spheroidal cast iron	160	80-160	1.00-0.20	4.1
Malleable / Tempered iron	130	100-190	1.00-0.30	4.1
Iron Based Hi-temp Alloys	200-280	30-70	0.08-0.15	4.1
Nickel or Cobalt Based 30-58 HRC	-	20-60	0.08-0.15	4.1
Nickel or Cobalt Based 250 HB	250	10-50	0.08-0.12	4.1
Pure Titanium	-	20-30	0.08-0.15	4.1
Titanium Alpha + Beta Alloys	-	20-30	0.08-0.15	4.1