Are 420J2 knives good?
Jan 28, 2026
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tainless steel grade 420J2 is known to possess good strength and reasonable impact resistant properties in hardened and tempered conditions when compared with 440 grades.
The following sections will discuss in detail about stainless steel grade 420J2.
Chemical Composition
The chemical composition of stainless steel grade 420J2 is outlined in the following table.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 14 |
| Nickel, Ni (optional) | 1 |
| Manganese, Mn | 1 |
| Silicon, Si | 1 |
| Phosphorus, P | 0.04 |
| Carbon, C | 0.15-0.36 |
| Sulfur, S | 0.03 |
| Iron, Fe | Balance |
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