ISO N — Non-Ferrous · N20
N20 — Copper / Brass
Hardness range: 80–160 HB. Part of the ISO N — Non-Ferrous group. Non-ferrous metals (aluminium, copper, brass, magnesium) are soft and thermally conductive. Uncoated or DLC-coated fine-grain carbide with high positive rake, sharp edges, and polished flutes prevents built-up-edge. PCD inserts excel in high-volume aluminium production. No TiN/TiAlN coatings — aluminium welds to them.
Material profile — N20
- ISO designation
- N20 (ISO N — Non-Ferrous)
- Material
- Copper / Brass
- Hardness
- 80–160 HB
- ISO group colour
- Non-Ferrous
Tooling guidance — N-group
- Group summary
- Uncoated or DLC carbide for aluminium. Sharp edges, high positive rake, polished flutes prevent BUE.
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