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Haer Knife Stainless Steel

Jul 30, 2019  420 (420J) Stainless Knife Steel. Generally considered bottom-end stainless steel, 420 and 420J, while stain-resistant, are soft and not very wear-resistant. This grade of stainless can be tough and strong but loses its edge quickly. 440A (and similar grades including 425M, 420HC, and 6A)

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