In construction, bolts are a very vital part of keeping things together. The main strength of a building relies on nuts and bolts, specifically bolts. If a bolt is of low quality, corrodes fast, melts nimbly in corrosive environments, and breaks easily then, there is no use in using such components in a place where living beings are present. Hence, choose the correct one by going through this guide.
Grades of Bolts and their types
Mainly there are four types of grades in a structural bolt specifically; A325, A490, F1852, F2280. In each of these grades, there are two types as type-1 and type-3. The bolts A325 is similar in mechanical requirements to that of SAE J429 Grade 5.And A490 is similar to SAE J429 Grade 8. However, the use of grade 8 and grade 5 bolts in place of A325 and A490 is strictly a NO.
More insights on the type
The materials used in type-1 of A325 and F1852 are carbon steel, carbon boron steel, or alloy steel with boron addition. The materials used in type-3 of A325 and F1852 are weathering steel. Similarly, the materials used in type-1 of A490 and F2280 are alloy steel with or without boron addition. And the materials used in type-3 of these bolts are weathering steel.
Size and other specifications
The diameter of A325 bolts come in sizes of the half to one-and-half inches. And, it offers a minimum tensile strength of 120000 PSI. Similarly, the diameter of A490 bolts comes in sizes similar to the A325 grade bolts, with a minimum tensile strength of 150000 PSI. The bolts also come in various sizes and shape other than the standard ones for more specific needs. Also, when buying structural bolts, purchase the correct nut.
Categories Simillar to Structural Bolts includes Carriage Bolts, Elevator Bolts and Expansion Bolts