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Trang chủ / Dao cụ Stellram / Turning Tools / Turning Grades
  • Turning Grades

Stellram Turning Grades

Choose from Stellram uncoated, CVD-coated, PVD-coated, and ceramic grades. The new NL CVD coatings have improved adhesion that than increase tool life up to 30%, or more. NL-grade inserts reduce kinetic friction, which improves surface finish. Use the First Choice guide to choose the right grade and geometry for the material and application.

First Choice guide
 

Grade Selections:

NL200
Coating Type: CVD. First choice grade for machining cast iron. This grade has a very good resistance to wear and deformation. It's suitable for medium and finishing applications on gray and malleable cast irons. Available geometries:Medium – Roughing: 4U

NL250
Coating Type: CVD. Wear-resistant grade for semi-finishing and finishing applications. Suitable for stable conditions with limited interrupted machining. Available geometries: Finishing: 1B; Light-Medium Roughing: 2N; Roughing: 4T;Flat Top: Roughing

NL300
Coating Type: CVD. A tough but wear-resistant grade for medium and rough machining with light scale but no interruption. General purpose for steels and cast iron materials. Available geometries: Medium roughing: -73; Light-Medium Roughing: 2N; Roughing: 4T; Single-Sided Heavy Roughing: 5R; Medium – Roughing: -T

NL400
Coating Type: CVD. A very tough grade for medium and rough machining, primarily on stainless steel and exotic alloys. Good resistance to thermal diffusion, and accepts light interruption. Available geometries: Light Roughing – Semi-Finishing: 4E; Roughing: 4T; Single-Sided Heavy Roughing: 5R

NL920
Coating Type: CVD. A fine-grain but tough grade, with a high degree of edge security on steels and stainless steels. Performs well on rough and heavy machining applications, including interrupted applications. Available geometries:Light-Medium: 2N; Roughing: 4T; Single-Sided Heavy Roughing: 5R; Medium –Roughing: -73; Medium –Roughing: -T

SP0819
Coating Type: PVD. A very wear-resistant micrograin substrate with a new generation of TiAlN coating. First choice for difficult-to-machine materials, including PH stainless steel. Requires higher cutting speeds in finishing and medium operations, with stable conditions and clean material. Available geometries: Finishing: 1B; Finishing-Light Roughing: 3F; Semi-Finishing – Light Roughing: 4E

SP4019
Coating Type: PVD. A tough micrograin substrate with new generation TiAlN coating renders this PVD grade extremely hard for unmatched performance in all materials. Available geometries: Finishing: -62 (positive); Medium–Roughing:-X, -73 (positive), -T; Finishing–Light Roughing: 3J; Finishing: -61; Medium–Finishing: -15

GH1
Coating Type: Uncoated. A very wear-resistant uncoated micrograin for cast irons, hardened steel to 58 HRC, and non-ferrous alloys. Produces a low cutting pressure at high speed due to sharp cutting edge definition. Available positive geometries: Medium–Roughing: X; Medium–Finishing: -64, -66, M

SA6609
Coating Type: Uncoated. A whisker ceramic grade for roughing and medium machining applications in high-temperature alloys. Excellent wear resistance with elevated cutting surface speeds. Available in two edge preparations:Finishing to medium: E010; Medium to roughing: E030

 

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