420 Stainless Steel

Stainless Steel

Hardness: 50–55 HRC

Typical Price Range: $5–$25

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420 stainless is one of the most common and inexpensive knife steels. It is very corrosion-resistant and easy to sharpen but holds an edge poorly, making it suitable mainly for budget or decorative knives.

Advantages

  • Excellent corrosion resistance
  • Very easy to sharpen
  • Widely available and cheap

Disadvantages

  • Very poor edge retention
  • Soft — not suitable for hard-use knives

Best Use Cases

  • Dive knives
  • Budget survival and camp knives
  • Novelty and decorative blades

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