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AEB-L for knives

AEB-L was designed for razor blades and behaves like it: very fine carbides, so it takes an extremely keen edge and is far tougher than most stainless at 60–62 HRC. It is also cheap for a stainless and sold thin. That makes it the go-to for kitchen knives, fillet knives and anything ground to a fine edge. Edge retention is modest; it is easy to sharpen, which most cooks prefer.

Heat treat at a glance

Good forKitchen knives, fillet knives, paring knives, straight razors.
ForgingForgeable by experienced smiths (1900–2100 °F) but normally stock removal
NormalizeNot applicable — buy annealed
Austenitize1950–1975 °F, 10–15 min soak, in foil (5 min is enough at 1975)
QuenchPlates, then cryo or dry ice; freezer helps
Temper350–400 °F twice → 60–62 HRC; 300 °F with cryo reaches 63–64
Working hardness60–63 HRC

Typical shop values. Confirm against your supplier's datasheet.

Buying it

Sheet and strip from 0.040 to 0.190 in, 1–24 in wide, 12–36 in lengths. 0.080–0.094 in (about 3/32) is the kitchen-knife size; 0.040–0.062 for fillet and paring.

  • Plate quench hard and fast — it hardens fully in air but warps thin.
  • Do the cold treatment; without it retained austenite costs a point or two of hardness.

Suppliers: New Jersey Steel Baron Alpha Knife Supply Jantz

Work out the bar for your knife in AEB-L

Your knife

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$/lb
Advanced: cuts, tong hold & tang
in
Charged once per blank. Changes how many blades a bar yields, not the stock per blade.
in
The stub at each end you can't use.
in
Not counted until "Held at" is set.
Off by default: forging a knife, you hold the tang you just drew. Count it if you leave a stub, or forge off a long bar.
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in

Tang dimensions are estimated from the tang style until you change them. Measuring yours is worth doing — a forged blank's length depends on the tang's cross-section, not on what the tang is called.

Forging to shape, then grinding the spine to size? Go one size up.
Calibration: fill factors & grinding loss

The fraction of the blade's and tang's bounding box that is actually steel once the bevels are ground. Distal taper is factored in separately now (see "Distal taper" below, under What this assumed) and isn't editable here yet — these two fill factors are the ones worth replacing with your own measurements: weigh a finished blade, then adjust until the finished weight below matches the scale.

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Extra steel a forged blank loses to grinding and clean-up beyond forge scale — bevels, straightening, plunge, tang. This one doesn't show up on a kitchen scale with the finished knife: it only changes how much bar the calculator tells you to buy, not the finished weight. Calibrate it by weighing your own raw blank against the finished knife. Defaults to 25%, from one bladesmith's own weighed knife (256 g raw to ~182 g finished) — expect this number to move as more makers share theirs.

Buy this bar

Recommended stock
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Stock per blade
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Steel weight per blade
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Finished blade weight
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Steel cost per blade
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Bar used
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Minimum bar length
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Bar lengthBladesBar costPer bladeLeft over
What this assumed
What should I charge for this knife? →

Steel is only part of the cost. Add abrasives, handle, heat treat and your time, and see the price that actually pays you.

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Knives to make from AEB-L

Questions

Is AEB-L good for kitchen knives?

It is arguably the best value stainless for them: fine edge, tough, easy to sharpen, inexpensive. Its only weakness is edge retention next to high-carbide steels.

Free: the one-page stock size chart

Bar sizes for ten common knife patterns, weight per inch for every standard flat bar, and quick heat-treat numbers for the usual carbon steels. Print it, tape it to the grinder.

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