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Interchangeability of Grade 2 and A307A Fasteners. In general, since the minimum strength requirement of a Grade 2 is greater than that of an A307A, a Grade 2 can be successfully utilized in applications where an A307A is specified, as approved by the “Engineer . of Record”.
29 Αυγ 2023 · Grade 2: This is the standard grade for bolts with no markings. They have a tensile strength of up to 74,000 PSI for bolts over ¼ inch. Grade 5: Identified by three radial lines, these bolts have a tensile strength of up to 120,000 PSI.
18 Σεπ 2024 · Learn the essentials of bolt and nut grades, including SAE, ISO, and ASTM standards. Discover the differences between US and metric grades, their applications, and how to choose the right fasteners for your project. Whether you need Grade 8, Class 12.9, or stainless steel, this guide covers it all.
Grade 2 Bolts. Grade 2 bolts are among the lowest grade of standard bolts. We will explain their properties, which make them suitable for specific applications that do not require high tensile strength. Grade 2 bolts find use in non-critical applications where their moderate strength and cost-effectiveness are sufficient.
21 Ιουν 2023 · SAE bolt grades and uses. Typical applications of SAE bolt grades include: Grade 2. Low- to medium-strength carbon steel bolts used for non-critical joints: Light construction for wood framing, brackets, or other non-load-bearing applications.
9 Ιουν 2022 · The SAE J429 standard has specific requirements for bolts, screws, studs, sems, and U-bolts up to 1-1/2" in diameter. Bolts meeting SAE J429 standards have radial lines engraved on the bolt head. Grade 2, 5, and 8 are the most common grades of fasteners according to the Society of Automotive Engineers standard.
3 Μαρ 2022 · ASTM A307 is the standard developed for bolts and studs, and it creates two different grades: Grade A and Grade B. You’ll find the grade listed as 307A or 307B on the bolt head. More on ASTM A307 grades, specifications, and head markings here.
