ASTM A453 Specifications
Technical Menu Posted on July 1st, 2015 by vaproThe specification for ASTM A453 covers five grades of bolting with twelve classes of yield strength ranging from 50 to 120 ksi (345 to 827 MPa) and is commonly used in high temperature services such as fasteners for pressure vessels and valve flanges. The material included in ASTM A453 requires special processing and is not intended for general purpose applications.
The materials included in ASTM A453 include covered rolled, forged, or hot-extruded bars, and also bolts, nuts, screws, washers, studs, and stud bolts.
| Grade | Class | Tensile Strength, min | Yield Strength, min | Elongation % | ||
|---|---|---|---|---|---|---|
| ksi | Mpa | ksi | Mpa | |||
| 660 | A, B, and C | 130 | 895 | 85 | 585 | 15 |
| D | 130 | 895 | 105 | 725 | 15 | |
| 651 | A | 100 | 690 | 70 A | 485 | 18 |
| 60B | 415 | |||||
| B | 95 | 655 | 60A | 415 | 18 | |
| 50B | 345 | |||||
| 662 | A | 130 | 895 | 85 | 585 | 15 |
| B | 125 | 860 | 80 | 550 | 15 | |
| 665 | A | 170 | 1170 | 120 | 830 | 12 |
| B | 155 | 1070 | 120 | 830 | 12 | |
| 668 | A and B | 130 | 895 | 85 | 585 | 15 |
Related: ASTM A453 Specifications on ASTM.org
