Kennametal KC990 carbide grade — ISO 513 groups, coating and cross references
Grade identification
| Manufacturer | Kennametal |
|---|---|
| Grade designation | KC990 |
| Catalogue description | KC990 / Alternating Al2O3 coated grade |
| ISO 513 workpiece group | Pending catalogue verification |
| Coating family | CVD |
| Substrate | carbide |
| Source | Kennametal catalogue — WNMG080412P KC990 · accessed 2026-09-28 |
Source: Kennametal official catalogue, accessed 2026-09-28. Grade behaviour statements on this page are general ISO 513 engineering guidance, not manufacturer cutting data.
ISO 513 fit
The ISO 513 workpiece group for Kennametal KC990 is pending catalogue verification — the record is cited from the official catalogue, but the group classification has not been extracted yet. See ISO 513 material groups for what each letter means in practice.
Offered on these inserts
The manufacturer offers grade KC990 on the following catalogued geometries. Each row cites the official product record.
Cross-brand grade equivalents
Equivalents are listed only when they can be traced to a published cross-reference chart or confirmed in both manufacturers' official catalogues. Unconfirmed chart rows are marked VERIFY; nothing on InsertBase is guessed.