The Differences Between Type 1 and Type 3 Structural Bolts?
Under ASTM F3125, heavy hex structural bolts include the original A325 and A490 grades, which are divided into Type 1 (carbon/low-alloy steel) and Type 3 (weathering steel). Both types can appear in A325 and A490 grades and serve critical roles in structural applications, especially in environments where corrosion resistance is crucial. Let’s explore the key […]
