What is the difference between NAK80 and S136? What are the characteristics of NAK80? If the mold core uses H13, what material is used for the inclined top, and why? Commonly used die steel: P20, 718, 718H, S136, S136H, NAK80, NAK55, 738, 738H, S55C, H13, SKD, alloy beryllium copper, DF2, 8407, 2311 NAK80 does not…
