Which steel type is best for a collectible shirasaya katana?
Updated Feb 2026
It depends on what you prioritize. T10 high-carbon steel is favored for its fine grain, high hardness after clay tempering, and ability to produce a vivid real hamon. Damascus steel appeals to collectors who want a visible layered pattern across the blade surface, created by folding and forge-welding multiple steel layers together. Folded steel sits between the two, offering subtle grain patterns and a refined internal structure. For display purposes, Damascus and folded steel blades tend to be the most visually dramatic because of their surface patterning. T10 is an excellent all-around choice when you want a sharp, well-tempered blade with a classic hamon line that photographs beautifully under ambient light.