A modern stainless steel built from AEB-L with added nitrogen and vanadium, combining high toughness, solid edge retention, and strong corrosion resistance.
- Toughness
- 5
- Edge retention
- 3
- Corrosion resistance
- 4
- Ease of grinding
- 4

Steel matchup
Nitro-V and VG-10, compared on the five things that decide a blade: toughness, edge retention, corrosion, heat treat and how each one grinds.
A modern stainless steel built from AEB-L with added nitrogen and vanadium, combining high toughness, solid edge retention, and strong corrosion resistance.
A Japanese stainless steel famous for high-end kitchen cutlery, using a cobalt addition to reach high hardness and a fine, precise edge without giving up too much toughness.

Dimension by dimension
Each steel's own note, its score out of five, and what separates the two in that one column. The higher score in a row is marked in purple.
| Dimension | Nitro-V | VG-10 | What separates them |
|---|---|---|---|
| Toughness | One of the toughest stainless steels available, inheriting AEB-L's excellent toughness while adding a bit more wear resistance from vanadium and nitrogen. | Adequate for kitchen and EDC use; the cobalt addition helps it hold toughness at a higher hardness than its composition alone would suggest, though it is not built for hard-use abuse. | Nitro-V is meaningfully tougher, inheriting AEB-L's excellent toughness as its base chemistry, which makes it more resistant to chipping under hard use than VG-10. |
| Edge retention | Similar to AEB-L: good, not exceptional, since it relies on a fine, clean microstructure rather than heavy carbide loading for its edge. | Very good edge retention with a fine, precise bite, which is exactly why it became the standard steel for premium Japanese kitchen knives. | VG-10 holds a modest edge here thanks to its cobalt-boosted hardness and fine grain, giving it a slightly keener, longer-holding edge for precision cutting tasks. |
| Corrosion resistance | 13.6% chromium plus nitrogen gives genuinely good stainless performance, a step up from AEB-L and well suited to kitchen and outdoor use. | 15% chromium gives it excellent stainless performance, well suited to kitchen use where the blade is washed constantly. | Essentially tied. Both offer good, dependable stainless corrosion resistance well suited to kitchen and outdoor use. |
| Heat treat | Austenitize at 1900-1950 F for 15 minutes (use the lower end if following with a freezer rather than liquid nitrogen). Plate quench, then apply a cryogenic treatment (liquid nitrogen or a home freezer) before tempering. As-quenched hardness can reach roughly 64 Rc. Temper at 300-350 F: 300 F favors maximum hardness and edge stability, while 350 F gives the best overall toughness balance for most knife use. Avoid tempering near 450 F, which shows an unexpected drop in toughness for this steel. | Austenitize at 1920-1960 F (1050-1070 C) to fully dissolve the carbides into the matrix. Quench in oil or air for rapid cooling to form martensite. Temper at 300-390 F (150-200 C) to relieve internal stress and balance hardness against toughness. Properly heat treated, VG-10 typically lands at 60-62 Rc. | Nitro-V requires a cryogenic treatment after quenching to reach its best properties, while VG-10 does not, making VG-10 marginally simpler for shops without cryo capability. |
| Grinding | Processes well with standard knifemaking tools and is considered forgiving to grind and heat treat for a stainless steel. | Reasonably easy to grind and finish for a vanadium-bearing stainless steel, which has helped it stay popular in high-volume Japanese cutlery production. | Nitro-V is somewhat easier to grind, while VG-10 remains reasonably workable and is well established in high-volume Japanese cutlery production. |

Best use
Nitro-V
Choose Nitro-V for EDC or hard-use kitchen knives where toughness and shock resistance are the top priority.
Open the Nitro-V referenceVG-10
Choose VG-10 for precision Japanese-style kitchen knives where a very fine, keen edge is the top priority.
Open the VG-10 reference

The long answer
Nitro-V and VG-10 are both popular choices for kitchen and EDC knives that want more than a basic stainless steel, but they come from different design philosophies: VG-10 leans on a cobalt addition and a very fine grain to reach high hardness for a precise, fine edge, while Nitro-V builds on AEB-L’s toughness with nitrogen and vanadium for a tougher, more shock-resistant blade.

Keep comparing
Keep reading

Nitro-V inherits most of AEB-L’s easy-grinding character, since it shares the same base chemistry with only a nitrogen and vanadium addition layered on…

VG-10 grinds in the moderate, well-established range for premium stainless steels, easier than high-carbide CPM steels like CPM 20CV or S30V, but slightly…

Every knife steel is iron plus a specific recipe of other elements, and each of those elements pulls the steel’s behavior in a particular direction…
Same bench
Whichever steel wins, the grind is only as flat as the platen behind it. I machine the parts, hand-assemble, track and test Torus grinders in Sterling, Illinois.

Current dual-axis platform with a fiber-laser-cut 6061 chassis and single-knob tracking.

Current dual-axis platform with a steel chassis, more mass and less vibration.

Prior-design aluminum chassis, 90-degree tilt and 1.5-inch tooling arms.

One-man shop
Tell me what the blade is for and how you heat treat, and I will tell you which of these I would put on the bench — including when the answer is neither.