Unless otherwise specified everyu 51 Bravo knife is handcrafted with tough and durable Hi carbon steel. 1075, 1095, 15n20, 55100 or 8670 depending on the application. Please be advised that hi carbon steel will rust if not cared for properly. If you would like stainless or damascus, please choose these options when ordering. If no option is selcted, I will make your blade from hi carbon steel.