Which knife steel is better the D2 or sr-77?

D2 and SR-77 are both high-carbon, chromium-based tool steels. They are both known for their wear resistance, edge retention, and toughness. However, there are some key differences between the two steels.

D2

* Composition: D2 steel is composed of 1.5% carbon, 12% chromium, and 1% molybdenum.

* Hardness: D2 steel can reach a hardness of up to 62 HRC.

* Wear resistance: D2 steel has excellent wear resistance, making it ideal for cutting tools and other applications where durability is important.

* Edge retention: D2 steel also has excellent edge retention, meaning that it can stay sharp for a long time.

* Corrosion resistance: D2 steel is not very corrosion-resistant, so it is important to keep it clean and dry to prevent rusting.

SR-77

* Composition: SR-77 steel is composed of 1.45% carbon, 12% chromium, 3% molybdenum, and 2% vanadium.

* Hardness: SR-77 steel can reach a hardness of up to 64 HRC.

* Wear resistance: SR-77 steel has excellent wear resistance, similar to D2 steel.

* Edge retention: SR-77 steel has excellent edge retention, similar to D2 steel.

* Corrosion resistance: SR-77 steel is more corrosion-resistant than D2 steel, making it better suited for use in wet or humid environments.

Comparison

In terms of overall performance, D2 and SR-77 are very similar steels. They both have excellent wear resistance, edge retention, and hardness. However, SR-77 steel is more corrosion-resistant than D2 steel, making it a better choice for use in wet or humid environments.

Here is a table summarizing the key differences between D2 and SR-77 steel:

| Feature | D2 | SR-77 |

|---|---|---|

| Composition | 1.5% carbon, 12% chromium, 1% molybdenum | 1.45% carbon, 12% chromium, 3% molybdenum, 2% vanadium |

| Hardness | Up to 62 HRC | Up to 64 HRC |

| Wear resistance | Excellent | Excellent |

| Edge retention | Excellent | Excellent |

| Corrosion resistance | Not very corrosion-resistant | More corrosion-resistant |

Conclusion

Ultimately, the best knife steel for you depends on your specific needs and preferences. If you are looking for a knife that will be used in wet or humid environments, SR-77 steel is a good option. If you are looking for a knife that is very hard and wear-resistant, D2 steel is a good option.