ASTM A307-21
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 |
Product Details
- Published:
- 02/15/2021
- Number of Pages:
- 6
- File Size:
- 1 file , 97 KB
- Redline File Size:
- 2 files , 190 KB
