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1.1 This specification2 covers the chemical and mechanical requirements of two grades of carbon steel bolts and studs in sizes 1/4 in. through 4 in. The fasteners are designated by “Grade” denoting tensile strength and intended use, as follows:
Grade | Description |
| |
Grade A | Bolts, studs, and threaded rod having a minimum tensile strength of 60 ksi and intended for general applications, |
Grade B | Bolts, studs, and threaded rodA having a tensile strength of 60 to 100 ksi and intended for flanged joints in piping systems with cast iron flanges, and |
Grade C | Replaced by Specification F1554 Gr.36 |
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 21.060.10 : Bolts, screws, studs |
| Number of pages | 6 |
| Replace | ASTM A307-14 |
| Set | ASTMVOL0109 |
| Year | 2014 |
| Document history | ASTM A307-14 |
| Country | USA |
| Keyword | ASTM 307;ASTM A307;ASTM A307;10.1520/A0307-14E01 |