In the late 1800s, Sir Robert Hadfield sought a way to make steel alloys less brittle.
Hadfield, a British metallurgist, was finally able to develop a material that did not break from heavy impact after years of trial and error and countless tests. The metal he used to accomplish this feat was manganese.
Manganese, which is atomic No. 25 on the periodic table, is one of the most common transition elements in the earth’s crust. While it is hard, it is also very brittle. And it wasn’t until Hadfield combined manganese with steel that its industrial uses became apparent.
Fast forward to today, and manganese is used in steel alloys across the aggregate industry. It’s particularly useful in wear part applications.
Manganese is not a one-size-fits-all solution, though. Alloys with different levels of manganese content have different characteristics.
As you explore manganese parts for your rock crushing operation, here are some considerations to make for choosing the right ones.
Wear parts and manganese
Let’s start with the basics: Why should you choose manganese wear parts for your crushing operation at all?
The basic answer – one Hadfield uncovered long ago – is that manganese alloys are work-hardening metals, meaning the harder you hit them, the harder they get. In wear part applications, material is hit over and over, so manganese steel is ideally suited for durability in this role.
Manganese has been used accordingly for more than a century. But while higher manganese...
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