Sumitomo AC830P: the maker lists AC8035P as its successor
Sumitomo Electric puts Sumitomo AC8035P against AC830P in its own catalogue material. We publish the pair only because the maker printed it; the source and page are below.
What the maker's document shows
AC830P → AC8035P · P / steel turning (CVD)
The table has a "Grade" column and an "Old Grades" column. AC8035P is in the Grade column; AC830P is in its Old Grades column.
Source: Sumitomo Electric, General catalogue 2025–2026, coated carbide grade table, printed page A27 (PDF page 27). Open the maker's PDF at that page →
Text line as extracted from the PDF (table columns run together)
AC8035P AC830P
What this does and does not mean
It means the maker positions AC8035P as the newer grade for the work AC830P was used for. It does not say AC830P is discontinued, and it does not say every insert shape and chipbreaker you buy in AC830P exists in AC8035P.
Before you switch:
- Check that your exact insert designation and chipbreaker are offered in AC8035P in the maker's current catalogue.
- Start from the maker's recommended cutting speed for AC8035P, not the numbers you ran with AC830P.
- Run both grades until the edge is worn out on the same part and compare parts per edge. One part is not a result.
Other Sumitomo successor pairs
AC230 → ACP100 · AC304 → AC630M · AC405K → AC4010K · AC420K → AC4125K · AC610M → AC6020M · AC700G → AC420K · AC8015P → AC8115P · AC810P → AC8015P · ACP100 → ACP2000
Tell the advisor your insert, material and operation. It answers brand-neutral, including options from other makers. To check a whole tool list for older grades, use the free coverage check.