Vanadis 4E Carbon Steel









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InformationVanadis 4 Extra Carbon Steel Information and Composition

Condition:
Our Vanadis 4 Extra has been properly annealed and is in the soft condition. You do not have to do any non-standard wasteful processes before heat treating. The steel must be heat treated to get to a hardened state. Follow the heat treat recipe and the steel will harden.

Ratings:
41 = Maximum Toughness
53 = Maximum Edge Holding

The rating scale is 0-100, 0 being minimum and 100 being maximum. The ratings are the maximum potential of the alloy. I do not recommend heat treating to the maximum value. Choose a heat treat recipe that results in the attributes you want.

Thank you to Dr Larrin Thomas for all the testing he performed and information he has provided. Buy his book Knife Engineering to learn more about knifemaking.

Alloy Comparison Table:

Description:
Vanadis 4 Extra is an excellent alloy. It has better edge holding than CPM 3V and is tougher than M4. V4E is made using third generation particle metallurgy.

Flat Ground:
Any alloy that has “Flat Ground” in the description has been Blanchard ground. Our tolerances for flat grinding are +-.001” across 12”. You can identify Blanchard grinding by circular grind marks. Do not be mislead by other descriptions. Others try to pass off less accurate types of grinding with lower tolerances as flat grinding. This is why we call out our tolerances.

Information Sources:
There are many sources of information regarding knifemaking. Some sources, like Dr. Larrin Thomas of Knife Steel Nerds, are excellent. Other sources are not as credible. It is important to vet the your information sources. Be careful of anyone who says the way to heat treat 1095 or O1 is to heat to non-magnetic and quench in used motor oil. Anyone who publishes this type of information is not credible. When possible, we use information from manufacturers and industry experts.

AI Information:
The latest trend of bad information is from Artificial Intelligence (AI). Multiple companies have AI programs. AI collects and compiles information. The problem is, AI is does not know if the information is accurate or garbage. When asked, AI regurgitates and merges good and bad data. Beware of AI data when researching materials. If you read material information that sounds like it was written by a poetry graduate student, compares materials that are not similar, contains blatantly false information, etc, it was probably AI generated. At AKS, we never use AI to generate material information.

Data Sheet:
Uddeholm Vanadis 4 Extra Data Sheet


Heat TreatVanadis 4 Extra Heat Treat Information:

Preheat: Heat to 1,110-1,290°F. Equalize temperature.

Austenitize: It is critical to not exceed the maximum austenitize temperature. If you overshoot the maximum temperature by a small amount, toughness will go down dramatically.

Heat to 1,795–2,100°F. The soak times are listed below:
1,870°F = 30 min
1,940°F = 30 min
2,010°F = 15 min
2,100°F = 15 min

Quench: Plate, air or positive pressure or oil quench. Cool to 125°F.

Cryogenic Treating: Immediately after quenching the blade can be sub-zero treated soaking for 3–4 hours, followed by tempering.

Temper: After quenching, temper twice for a minimum of two hours each. Cool to room temperature between cycles. Tempering below 980°F will reduce toughness.

Use the graph below to select your temperatures:


CertsVanadis 4E Certs

Chemical Composition Certification*

  1. Click on the button below to get the chemical composition of the steel you purchased.
  2. You will be required to enter the three character code written in red letters on your steel.
  3. If you do not see red letters on the steel, your specific chemical composition is not in the system.

Lookup Cert
 
* This material is NOT certified for medical or aerospace applications.

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BSV4E BSV4E-0040 BSV4E-0060 BSV4E-0080 BSV4E-0100 BSV4E-0120 BSV4E-0140 BSV4E-0160 BSV4E-0180 BSV4E-0200 BSV4E-0220 BSV4E-0240 BSV4E-0260
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Vanadis 4E Carbon Steel
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