Sumitomo EH520: equivalent grades from other brands
uncoated carbide, turning grade. The makers' comparison tables place it at M20 (stainless steel): 2 of 2 tables. The best-confirmed equivalents are Kennametal KU10, Seco HX, Iscar IC20, Tungaloy KS20.
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 Iscar equivalent of Sumitomo EH520?
IC20, confirmed by 2 of 2 tables at M20.
What material is Sumitomo EH520 for?
For stainless steel: the comparison tables place it at ISO M20.
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