西比尔

In the field of chains, the difference between 40Cr and 40Mn

First of all, they are both high-quality carbon structural steels with good cutting performance. 40Cr and 40Mn are two different types of alloy structural steels, and their differences mainly depend on their alloy composition and their intended use. 40Cr is an alloy structural steel belonging to the Chinese national standard GB/T 3077, with chromium (Cr) …

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