This table lists the ISO application class each Sandvik grade is positioned at, per manufacturer-published grade comparison charts in the grade_equivalence reference database. Positioning at the same ISO class does not mean grades are interchangeable between manufacturers — substrate, coating and edge preparation still differ, even at the same class.
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1010 | P05 | — | Tier 1 |
| GC4205 | P05 | Yes | Tier 1 |
| GC4305 | P05 | Yes | Tier 2 |
| GC4405 | P05 | Yes | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CT5015 | P10 | — | Tier 2 |
| GC1010 | P10 | — | Tier 2 |
| GC1230 | P10 | — | Tier 1 |
| GC1525 | P10 | — | Tier 2 |
| GC4215 | P10 | Yes | Tier 1 |
| GC4220 | P10 | Yes | Tier 2 |
| GC4305 | P10 | Yes | Tier 2 |
| GC4315 | P10 | Yes | Tier 2 |
| GC4330 | P10 | Yes | Tier 2 |
| GC4415 | P10 | Yes | Tier 2 |
| WS10 | P10 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CT5015 | P15 | — | Tier 1 |
| GC1525 | P15 | Yes | Tier 1 |
| GC4315 | P15 | Yes | Tier 1 |
| GC4415 | P15 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1025 | P20 | — | Tier 1 |
| GC1125 | P20 | — | Tier 2 |
| GC1130 | P20 | — | Tier 2 |
| GC15 | P20 | — | Tier 2 |
| GC1525 | P20 | — | Tier 2 |
| GC4225 | P20 | Yes | Tier 1 |
| GC4325 | P20 | Yes | Tier 2 |
| GC4330 | P20 | Yes | Tier 2 |
| GC4340 | P20 | Yes | Tier 2 |
| GC4425 | P20 | Yes | Tier 2 |
| SMA | P20 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1525 | P25 | — | Tier 1 |
| GC4325 | P25 | Yes | Tier 1 |
| GC4425 | P25 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CT530 | P30 | — | Tier 1 |
| EX40 | P30 | — | Tier 1 |
| GC1030 | P30 | — | Tier 2 |
| GC1125 | P30 | — | Tier 2 |
| GC1130 | P30 | — | Tier 2 |
| GC2030 | P30 | — | Tier 2 |
| GC4235 | P30 | Yes | Tier 1 |
| GC4325 | P30 | Yes | Tier 2 |
| GC4335 | P30 | Yes | Tier 2 |
| GC4340 | P30 | Yes | Tier 2 |
| GT720 | P30 | Yes | Tier 1 |
| KT530M | P30 | Yes | Tier 1 |
| KTPK20 | P30 | Yes | Tier 1 |
| SM30 | P30 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC4235 | P35 | Yes | Tier 1 |
| GC4335 | P35 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC30 | P40 | Yes | Tier 1 |
| GC4235 | P40 | Yes | Tier 1 |
| GC4335 | P40 | Yes | Tier 2 |
| S6 | P40 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1025 | M10 | — | Tier 2 |
| GC1030 | M10 | — | Tier 2 |
| GC1105 | M10 | Yes | Tier 1 |
| GC1515 | M10 | Yes | Tier 1 |
| GC2015 | M10 | Yes | Tier 1 |
| H10A | M10 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1115 | M15 | Yes | Tier 1 |
| GC1205 | M15 | Yes | Tier 1 |
| GC2220 | M15 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1210 | M20 | Yes | Tier 1 |
| GC2025 | M20 | Yes | Tier 2 |
| GC2040 | M20 | Yes | Tier 2 |
| GC2220 | M20 | Yes | Tier 1 |
| H13A | M20 | — | Tier 1 |
| S30T | M20 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1040 | M30 | — | Tier 2 |
| GC1125 | M30 | Yes | Tier 1 |
| GC2030 | M30 | — | Tier 2 |
| GC2035 | M30 | Yes | Tier 2 |
| GC235 | M30 | Yes | Tier 1 |
| H10F | M30 | — | Tier 1 |
| S30T | M30 | — | Tier 1 |
| SM30 | M30 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1125 | M35 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC2035 | M40 | Yes | Tier 2 |
| GC235 | M40 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB50 | K01 | — | Tier 2 |
| CB7525 | K01 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1010 | K05 | — | Tier 1 |
| GC3205 | K05 | Yes | Tier 2 |
| GC3210 | K05 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB7925 | K10 | — | Tier 1 |
| CT5015 | K10 | — | Tier 2 |
| GC1010 | K10 | — | Tier 2 |
| GC1020 | K10 | — | Tier 2 |
| GC15 | K10 | — | Tier 1 |
| GC3205 | K10 | Yes | Tier 1 |
| GC3210 | K10 | Yes | Tier 2 |
| GC3330 | K10 | Yes | Tier 1 |
| H13A | K10 | — | Tier 2 |
| MZ1000 | K10 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CT5015 | K15 | — | Tier 1 |
| GC3210 | K15 | Yes | Tier 1 |
| GC3215 | K15 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1020 | K20 | — | Tier 2 |
| GC3040 | K20 | Yes | Tier 2 |
| GC3220 | K20 | Yes | Tier 2 |
| GC3225 | K20 | Yes | Tier 2 |
| H13A | K20 | No | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1020 | K30 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CD05 | N01 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CD1810 | N10 | — | Tier 1 |
| H10 | N10 | — | Tier 1 |
| H13A | N10 | — | Tier 1 |
| HD30 | N10 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| HD30 | N20 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| H13A | N30 | No | Tier 1 |
| HD100 | N30 | — | Tier 1 |
| HD30 | N30 | — | Tier 1 |
| HD50 | N30 | — | Tier 1 |
| HD700 | N30 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1105 | S05 | Yes | Tier 1 |
| GC1205 | S05 | Yes | Tier 1 |
| S05F | S05 | Yes | Tier 1 |
| S205 | S05 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1105 | S10 | — | Tier 2 |
| GC1115 | S10 | — | Tier 2 |
| H10A | S10 | — | Tier 1 |
| S05F | S10 | Yes | Tier 1 |
| S205 | S10 | Yes | Tier 1 |
| SW05 | S10 | — | Tier 1 |
| SW10 | S10 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1115 | S15 | Yes | Tier 1 |
| GC1210 | S15 | Yes | Tier 1 |
| H13A | S15 | No | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1125 | S20 | Yes | Tier 1 |
| GC1515 | S20 | Yes | Tier 1 |
| H10F | S20 | — | Tier 2 |
| H13A | S20 | — | Tier 2 |
| KW10 | S20 | — | Tier 1 |
| SW25 | S20 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| GC1125 | S25 | Yes | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB7105 | H01 | — | Tier 1 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB20 | H10 | — | Tier 1 |
| CB7015 | H10 | — | Tier 2 |
| CB7115 | H10 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB50 | H20 | — | Tier 2 |
| CB7025 | H20 | — | Tier 2 |
| Grade | ISO class | Coated | Verification tier |
|---|---|---|---|
| CB7135 | H30 | — | Tier 1 |
| CB7525 | H30 | — | Tier 2 |
Source: manufacturer grade-comparison charts, ingested into the grade_equivalence reference table with page-level provenance. Rows with no verification (tier 0, model-only) are excluded from this table.
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Download the Kennametal Carbide Grade Chart (PDF, free sample)77 cross-referenced pairs in the dataset involve Sandvik — each appears in two or more published cross-reference charts from tooling manufacturers, with no conflicting source found on review.