One of the main advantages of using ASTM A335 P15 is its very good mechanical properties, such as high tensile strength and yield strength. Additionally, it has a relatively low thermal expansion coefficient, making it suitable for applications where the temperature fluctuates rapidly.
| Condition | Tensile | Yield 0.2% offset | Elongation (%in 2″) | Reduction of Area | Brinell Hardness | Rockwell Hardness |
|---|---|---|---|---|---|---|
| Ann | 363 Bhn | C33 | ||||
| H900 | 190,000 psi | 170,000 psi | 6% | 15% | 388 Bhn | C40 |
| H1025 | 155,000 psi | 145,000 psi | 8% | 27% | 331 Bhn | C35 |
| H1075 | 145,000 psi | 125,000 psi | 9% | 28% | 311 Bhn | C32 |
| H1150 | 135,000 psi | 105,000 psi | 11% | 30% | 277 Bhn | C28 |
| H1150-M | 115,000 psi | 75,000 psi | 14% | 35% | 255 Bhn | C25 |
