4034 is a steel produced by Krupp Steel in Europe that’s used in many different types of folding knives and fixed blades. It is considered a softer steel in comparison to most other higher-end steels available. This is a comparable steel to 420HC, with 4034 having similar levels of carbon composition.
You can typically expect to get decent quality blades with this steel from manufacturers such as Smith & Wesson that bring out the best of it with their M&P. In terms of quality, 4034 is rated as a lower mid-range carbon steel.
Common Uses & Pros and Cons for 4034 Steel
Among all the steel options for blades out there, 4034 is a solid choice for those who want a decent quality knife steel. It’s most common use is for everyday carry and work use. 4034 steel can withstand all-purpose use, which makes it a great pick for survival or a diving blade.
However, 4034 does not match the same kind of edge retention as the higher quality steels available. If you want a steel that’s a bit more premium, then something like M390 may be a better option for you. Instead, 4034 a bit softer steel than most others. This makes sharpening it easier, yet you won’t be able to keep a sharp edge that long.
Common Uses:
- Work tool
- Everyday Carry (EDC)
- Folding blades
Pros and Cons:
- + Durable
- + Soft/Consistent
- + Less expensive
- – Lower end
- – Weak edge retention
4034 Composition
| Material | Amount |
| Carbon | 0.47 |
| Mn | 1.00 |
| Cr | 13.2 |
A standard heat treatment hardness rating of 4034 is 54/58 HRC.
Our Top Picks for 4034 Steel Knives
Among the wide array of 4034 steel knives available, here’s a shortlist of a few blades we recommend. Each knife also fits a different style of use and design. The material works for folding knives primarily, or bowie blades. Smith & Wesson, Cold Steel, and Boker are of the few companies with a stock of 4034 steel blades.
1. Smith & Wesson SWMP4LS
The Smith & Wesson SWMP4LS is a fantastic folding blade for a quality knife at its price point. It comes with a durable aluminum handle, along with a good spring assist. Many find it to be a heavy and solid design that’s built to last as an EDC.
2. Cold Steel Crawford Model 1
Cold Steel’s Crawford is a well-balanced folding knife with many uses due to its high corrosion resistance in the 4034 steel. At a 3 1/2 inch blade length, it’s more in the EDC category. You can expect this to work for multi-purpose use including sport, camping, fishing, hunting, and more.
3. Boker Bowie Boot Knife
This Boker bowie knife is a larger 4034 blade coming in at over a foot long with a fixed design. Many find it to be sturdy and heavy-duty, with a size that can be used for larger applications.
Conclusion
4034 is a decent steel relative to any cheap stuff you may find at lower price points. You cannot expect it to outperform the highest-end steels. Although for the money, 4034 steel may be one of the best options for those looking to pick up a decent knife that does the job, has some strength to it, and will survive heavy use.