Mechanical Properties of Stainless Steel for Springs
Yield Strength, Tensile Strength, and Elongation
| Grade | Finish | As rolled or as solution treated | As precipitation hardened | ||||
| Yield Strength (N/mm2) |
Tensile Strength (N/mm2) |
Elongation (％) |
Symbol of Heat Treatment | Yield Strength (N/mm2) |
Tensile Strength (N/mm2) |
||
| SUS301-CSP | 1/2H | ≧510 | ≧930 | ≧10 | - | - | - |
| 3/4H | ≧745 | ≧1130 | ≧5 | - | - | - | |
| H | ≧1030 | ≧1320 | - | - | - | - | |
| EH | ≧1275 | ≧1570 | - | - | - | - | |
| SEH | ≧1450 | ≧1740 | - | - | - | - | |
| SUS304-CSP | 1/2H | ≧470 | ≧780 | ≧6 | - | - | - |
| 3/4H | ≧665 | ≧930 | ≧3 | - | - | - | |
| H | ≧880 | ≧1130 | - | - | - | - | |
| SUS631-CSP | 0 | - | ≧1030 | ≧20 | TH1050 RH950 |
≧960 ≧1030 |
≧1140 ≧1230 |
| 1/2H | - | ≧1080 | ≧5 | CH | ≧880 | ≧1230 | |
| 3/4H | - | ≧1180 | - | CH | ≧1080 | ≧1420 | |
| H | - | ≧1420 | - | CH | ≧1320 | ≧1720 | |
