D2 steel Vs. 4140: What are the difference?
D2 steel Vs. 4140: D2 tool steel and 4140 steel are both important ferrous alloys, but they belong to different classifications and are designed for distinct applications, exhibiting unique properties and requiring specific heat treatments. D2 steel is a high-carbon, high-chromium cold-work tool steel. It belongs to the D-series tool steels, which are specifically designed […]