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Sumitomo

Sumitomo AC520U: equivalent grades from other brands

PVD coated, turning grade. The makers' comparison tables place it at S20 (superalloys and titanium): 2 of 2 tables. The best-confirmed equivalents are Sandvik GC1125, Kennametal KC5025, Seco TS2500, Iscar IC908.

ISO AREAS20superalloys and titanium
TYPEPVD coatedturning
TABLES THAT AGREE2 of 2place AC520U at S20

Equivalents at S20 · PVD coated, turning

BrandEquivalent (tables agreeing)Other candidates
SandvikGC1125 (2 of 2)GC1115, GC1025
KennametalKC5025, KCU25 (2 of 2)KCU10, KCU10B, KC5010, KCS10
SecoTS2500 (2 of 2)CP200, TS2000, CP250
IscarIC908, IC808, IC806 (2 of 2)IC228, IC328, IC928
MitsubishiMP9015, MT9015 (2 of 2)VP20RT, MP9025
TungaloyAH8015 (2 of 2)AH7025, AH725, AH120
KyoceraPR1535, PR015S (2 of 2)PR115S
DijetJC5015 (2 of 2)JC5118, JC8015

Where each table places it

Kyocera (2021)K20 · M20 · P10 · P20 · S20 · S30
Mitsubishi (2025-27)S10 · S20

The tables disagree: Kyocera (2021) also lists it for K (cast iron); the other tables do not.

The tables disagree: Kyocera (2021) also lists it for M (stainless steel); the other tables do not.

The tables disagree: Kyocera (2021) also lists it for P (steel); the other tables do not.

Note: table built by cross-checking the comparison tables published by Mitsubishi Materials (2025-2027 catalogue), Tungaloy (2023-2024) and Kyocera (2021). Each maker states its table is an estimate based on publications, not approved by the companies named; this one is not approved by them either. Equivalences are indicative: substrate, coating and geometry differ between brands. The catalogue of the grade you use is what counts. Grade names and trademarks belong to their owners.

Frequently asked questions

What is the Sandvik equivalent of Sumitomo AC520U?

GC1125, confirmed by 2 of 2 tables at S20.

What is the Iscar equivalent of Sumitomo AC520U?

IC908, confirmed by 2 of 2 tables at S20.

What material is Sumitomo AC520U for?

For superalloys and titanium: the comparison tables place it at ISO S20.

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