Kitchen Knife Steel Types Explained: Carbon, Stainless, and Damascus

The Two Families

Carbon Steel

Pure iron alloyed with carbon (0.5-1.5%). No chromium, so it is NOT stainless.

Pros:

• Takes an extremely sharp edge
• Easy to sharpen on a whetstone
• Develops a beautiful patina over time
• Preferred by professional Japanese knife makers

For more on this topic, see our guide on Japanese Knife Steel Guide: VG-10, SG2, White Steel & More.

Cons:

• Rusts if not dried immediately after use
• Reacts with acidic foods (can discolor onions, leave metallic taste)
• Requires more maintenance
• Develops patina (some consider this a pro)

Common carbon steels: White Steel #1 (Shirogami), Blue Steel #2 (Aogami), SK carbon.

For more on this topic, see our guide on How to Choose a Wok: Carbon Steel vs Cast Iron vs Stainless.

Stainless Steel

Iron alloyed with carbon AND at least 13% chromium. The chromium creates an oxide layer that resists corrosion.

Pros:

• Rust resistant (not rustproof)
• Low maintenance
• No reactivity with foods
• Wider availability

Cons:

• Generally cannot achieve the same level of sharpness as carbon
• Harder to sharpen (especially high-hardness Japanese stainless)
• Some stainless steels feel less lively on a cutting board

Common stainless steels: VG-10, AUS-10, SG2/R2 (powdered steel), German X50CrMoV15.

Damascus Steel

Not a steel type but a construction method. Multiple layers of different steels are forge-welded together and folded, creating the distinctive wavy pattern. The core is typically a hard steel (VG-10, SG2) sandwiched between softer stainless layers.

Damascus is primarily aesthetic. The pattern looks beautiful but does not significantly affect cutting performance. What matters is the core steel.

How to Choose

• Home cooks who want low maintenance: Stainless steel (VG-10 or German steel)
• Enthusiasts who enjoy knife care: Carbon steel (White or Blue steel)
• Gift or display: Damascus with a quality core steel