![]() It features excellent impact and shock resistance and decent resistance to softening at high temperatures. It has a relatively low carbon concentration compared to D2 and A2 steels (0.45 – 0.55%) and significantly less chromium (3.00 – 3.50%). ![]() ![]() S7 tool steel is a versatile formulation suitable for both cold and hot work service. However, the AISI/SAE tool steel code categorizes tool steels based on basic application and material characteristics.Īdditional material, processing and application information for a wide range of tool steel types is available here. The specific properties of S7, D2 and A2 tool steels, which are among the most popular in industrial and manufacturing applications today, are discussed in further detail below. As a result, dozens of tool steel types exist. Over the years, metallurgists have tweaked alloy steel formulas to meet specific needs or working conditions. Many of the everyday objects we encounter are punched, pressed, formed, drawn or molded using tool steels that must be stronger, tougher and harder than the items they help create. Tool steels are unsung heroes, indirectly touching almost every aspect of modern life.
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