A307 Material ((new)) 【PLUS — 2025】

Grade C is often used for high-temperature or corrosion-resistant applications and must meet the same mechanical properties as Grade A but with restricted chemistry or added alloying elements (by agreement).

: Specifically designed for flanged joints in piping systems with cast iron flanges. Unique to this grade is its tensile strength requirement: it must be between 60 ksi and 100 ksi . a307 material

Confused by the bolt aisle? Here is your quick guide to , the standard specification for carbon steel fasteners. Grade C is often used for high-temperature or

| Grade | Common Use | Key Feature | | :--- | :--- | :--- | | | Wood construction, machinery, shelf brackets. | General purpose. Low cost. | | Grade B | Pipe flanges, pressure vessels. | Higher temperature resistance. | | Grade C | Note: Previously used for anchor bolts, but this grade was withdrawn in 2007. If you see specs calling for Grade C, update to F1554 Grade 36 or 55. | Confused by the bolt aisle

When we talk about high-strength bolting, A325 and A490 usually get all the glory. But the workhorse of the industry—the bolt holding it all together in non-critical, general applications—is .