The choice of the best steel for sword making depends on various factors, including the intended use of the sword, the desired performance characteristics, and personal preferences. Several steel types are commonly used in sword making, each with its own advantages and considerations. Here are some popular choices:

1. High-Carbon Steels: High-carbon steels, such as 1095, 1080, and 1060, are commonly used for crafting sword blades. These steels offer a good balance of hardness, toughness, and edge retention. They can be heat treated to achieve desired properties and are popular choices for both functional and decorative swords.
2. Tool Steels: Different types of tool steels, such as L6 Bainite or O1 steel, can be suitable for sword making. Tool steels are known for their toughness and durability, allowing the sword to withstand heavy use and impacts.
3. Spring Steels: Some spring steels, like 5160 or 9260, possess excellent resilience and flexibility, making them ideal for creating swords that can withstand bending and return to their original shape.
4. Damascus Steel: Damascus steel, a layered steel with distinctive patterns, is favored for its aesthetics and can offer good performance. It combines different steel types to provide a balance of hardness and toughness, resulting in a visually striking and functional blade.
5. Modern Alloy Steels: Various modern alloy steels, such as S30V or D2, can also be used for sword making. These steels offer advanced properties like high hardness, wear resistance, and corrosion resistance.

Ultimately, the selection of the best steel for sword making should consider the intended use, performance requirements, historical accuracy (if applicable), and the expertise of the swordsmith. It is recommended to consult with experienced swordsmiths or experts who can provide guidance based on your specific requirements and preferences.