Knife Steel Comparison Chart: Edge, Toughness & Corrosion (2026)
Quick answer: No single steel is “best” — edge retention, toughness, corrosion resistance, and ease of sharpening pull against each other, so the right steel depends on how you carry and use the knife. For most people the sweet spot is a mid-to-premium stainless like 14C28N (budget), S35VN (all-round premium), or CPM MagnaCut (the do-it-all champ). Sort the chart below by any column to match a steel to your priority.
Ratings are relative, 1–5: ●●●●● = excellent, ●○○○○ = basic. “Sharpening” = how easy it is to sharpen (more dots = easier). A great heat-treat can beat a “better” steel — treat this as a guide, not gospel.
| Steel | Edge retention | Toughness | Corrosion resist. | Sharpening (ease) | Typical HRC | Best for |
|---|---|---|---|---|---|---|
| Budget8Cr13MoV | ●●○○○ | ●●●○○ | ●●●○○ | ●●●●● | 57–59 | First knives & beaters — sharpens in seconds. |
| BudgetAUS-8 | ●●○○○ | ●●●●○ | ●●●○○ | ●●●●● | 57–59 | Tough, forgiving budget stainless. |
| Budget+14C28N | ●●●○○ | ●●●●○ | ●●●●○ | ●●●●○ | 58–60 | Best budget-stainless value — hard to beat under $50. |
| Budget+D2 | ●●●○○ | ●●○○○ | ●●○○○ | ●●●○○ | 60–62 | Great edge on a budget — semi-stainless, keep it oiled. |
| Mid154CM | ●●●○○ | ●●●○○ | ●●●●○ | ●●●○○ | 58–61 | Reliable all-rounder (Benchmade favorite). |
| MidVG-10 | ●●●○○ | ●●●○○ | ●●●●○ | ●●●○○ | 59–61 | Classic EDC & kitchen steel; takes a keen edge. |
| PremiumS35VN | ●●●●○ | ●●●●○ | ●●●●○ | ●●●○○ | 58–61 | Best all-round premium balance — the safe pick. |
| PremiumS30V | ●●●●○ | ●●●○○ | ●●●●○ | ●●○○○ | 58–61 | Premium workhorse; superseded by S35VN/S45VN. |
| PremiumS45VN | ●●●●○ | ●●●○○ | ●●●●● | ●●○○○ | 59–61 | Improved S30V — excellent rust resistance. |
| SuperM390 / 20CV / 204P | ●●●●● | ●●●○○ | ●●●●● | ●●○○○ | 60–62 | Super-steel edge + corrosion (three near-identical steels). |
| SuperCPM MagnaCut | ●●●●○ | ●●●●● | ●●●●● | ●●●○○ | 61–64 | The 2021 do-it-all champ — best overall balance. |
| SuperCPM S90V | ●●●●● | ●●○○○ | ●●●●○ | ●○○○○ | 59–61 | Maximum edge retention — but hard to sharpen. |
How to pick a knife steel
Start with your top priority. If you want a blade that holds an edge for weeks of heavy cutting, chase edge retention (M390, S90V) and accept harder sharpening. If you baton, pry, or drop your knife, prioritize toughness (MagnaCut, 14C28N, AUS-8). Around water, salt, or sweat, prioritize corrosion resistance (S45VN, M390, MagnaCut) and avoid semi-stainless D2. And if you like a razor edge you can touch up on any stone, easy-to-sharpen steels (14C28N, AUS-8, 8Cr13MoV) win. For most carriers who want one knife that does everything well, MagnaCut or S35VN is the answer.
Knife steel FAQ
What is the best all-around knife steel?
CPM MagnaCut is the current do-it-all leader — it pairs high toughness and excellent corrosion resistance with premium edge retention. S35VN is the proven, more affordable all-rounder just behind it.
What is the best budget knife steel?
14C28N gives the best balance of edge, toughness, and rust resistance under about $50. D2 holds a slightly better edge but is semi-stainless and needs a little care.
Which steel holds an edge the longest?
Ultra-high-carbide steels like CPM S90V and M390/20CV lead on raw edge retention — at the cost of toughness and much harder sharpening.
Are expensive “super steels” worth it?
For hard daily users, yes — you sharpen far less and get better corrosion resistance. For occasional carry, a well-heat-treated mid steel like S35VN or 14C28N does 95% of the job for a fraction of the price.
Does heat treatment matter more than the steel?
It matters enormously. A properly hardened “lesser” steel can out-cut a poorly treated premium one, which is why the same steel performs differently across brands.
Ratings are relative guidance drawn from published metallurgical testing (e.g., Knife Steel Nerds) and manufacturer data; real-world performance varies with heat treat, hardness, geometry, and edge angle.