Q345 material grade data, corresponding standard: GB/T 3524-2015, chemical composition (smelting analysis) should comply with the regulations of GB/T 1591.

Q345 is a kind of low alloy steel, formerly known as 16Mn. The "Q" in the name stands for yield strength, and "345" means that the lower limit of yield strength...

This article vividly analyzes the evolution relationship and core differences of steel grades 16Mn, Q345, and Q355. 16Mn is the "grandfather" brand in the national standa...

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