4Cr5MoV1Si (die steel) metallographic diagram
这是一篇代写的文章比例: Introduction H13 tool steel, also known as SKD61, is one of the most commonly used tool steels in the die-casting industry. It has good hardenability, high wear resistance, and excellent hot workability. H13 tool steel is composed of 1.40-1.50% carbon, 0.30-0.50% silicon, 5......