440A Stainless Steel

Stainless Steel

Hardness: 54–56 HRC

Typical Price Range: $5–$40

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440A has the lowest carbon content of the 440 series, making it the softest but most corrosion-resistant of the three. It is used in budget knives and applications where rust resistance is prioritized over hardness.

Advantages

✓Excellent corrosion resistance — best in the 440 series
✓Easy to sharpen
✓Inexpensive

Disadvantages

✗Poor edge retention
✗Soft compared to higher-grade steels

Best Use Cases

•Budget diving and marine knives
•Entry-level pocket knives

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