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Grade 5 bolts are made of medium-carbon steel and are stronger than Grade 2 bolts, while Grade 8 bolts are made of high-carbon steel and are the strongest. The bolt grades and strength chart outlines the physical and mechanical properties of various grades of bolts.
11 mar 2016 · A325 structural bolts (and A490s) are specifically used for steel to steel structural connections and are typically tensioned beyond their yield point when installed, whereas SAE grade 5 bolts are used for many general purpose applications and are not normally installed that way.
U-Bolt-It manufactures and supplies Grade 5 Bolts and fasteners that are made of medium carbon steel, heat treated in a controlled atmosphere with a minimum tensile strength of 120,000 psi. Each are available zinc plated.
18 wrz 2024 · What is the difference between Grade 5 and Grade 8 bolts? Grade 5 bolts are medium-strength fasteners with tensile strength between 105,000-120,000 psi, while Grade 8 bolts are high-strength with tensile strength up to 150,000 psi. Can I use Grade 8 nuts with Grade 5 bolts? It’s generally recommended to match the grade of your nuts and bolts.
21 cze 2023 · It’s worth noting the difference between SAE and ASTM bolt grades: ASTM A325 bolts are more often specified by engineers for structural steel connections on heavy construction projects. SAE Grade 5 bolts are favored in OEM applications. That doesn’t mean there isn’t any crossover.
Bolts of Grades 1 and 2, crafted from low to medium carbon steel, provide moderate strength and are typically employed in non-critical applications. Grade 5 bolts, made from medium carbon steel, offer greater strength and are suitable for applications that require higher load-bearing capacities.
This chart helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts. Please note the bolt heads may also include the manufacturer's identification stamp, especially with high strength bolts.
