| 熱軋鋼 (M20) |
255~345 |
|
| 1/4硬(H01),0.51≤t≤0.91 (B-Scale) |
310~380 |
(HR) 34~62 |
| 1/4硬(H01),t>0.91 (B-Scale) |
310~380 |
(HR) 35~64 |
| 1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) |
310~380 |
(HR) 40~58 |
| 1/4硬(H01),t>0.711 (Superficial 30T) |
310~380 |
(HR) 39~60 |
| 1/2硬(H02),0.51≤t≤0.91 (B-Scale) |
345~430 |
(HR) 52~70 |
| 1/2硬(H02),t>0.91 (B-Scale) |
345~430 |
(HR) 53~72 |
| 1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) |
345~430 |
(HR) 51~63 |
| 1/2硬(H02),t>0.711 (Superficial 30T) |
345~430 |
(HR) 51~64 |
| 3/4硬(H03),0.51≤t≤0.91 (B-Scale) |
400~470 |
(HR) 64~77 |
| 3/4硬(H03),t>0.91 (B-Scale) |
400~470 |
(HR) 66~78 |
| 3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) |
400~470 |
(HR) 59~68 |
| 3/4硬(H03),t>0.711 (Superficial 30T) |
400~470 |
(HR) 60~69 |
| 硬(H04),0.51≤t≤0.91 (B-Scale) |
450~515 |
(HR) 71~80 |
| 硬(H04),t>0.91 (B-Scale) |
450~515 |
(HR) 72~81 |
| 硬(H04),0.30≤t≤0.71 (Superficial 30T) |
450~515 |
(HR) 63~70 |
| 硬(H04),t>0.711 (Superficial 30T) |
450~515 |
(HR) 64~70 |
| 超硬(H06),0.51≤t≤0.91 (B-Scale) |
485~565 |
(HR) 77~83 |
| 超硬(H06),t>0.91 (B-Scale) |
485~565 |
(HR) 78~84 |
| 超硬(H06),0.30≤t≤0.71 (Superficial 30T) |
485~565 |
(HR) 67~71 |
| 超硬(H06),t>0.711 (Superficial 30T) |
485~565 |
(HR) 68~72 |
| 彈簧(H08),0.51≤t≤0.91 (B-Scale) |
525~595 |
(HR) 81~86 |
| 彈簧(H08),t>0.91 (B-Scale) |
525~595 |
(HR) 82~87 |
| 彈簧(H08),0.30≤t≤0.71 (Superficial 30T) |
525~595 |
(HR) 70~73 |
| 彈簧(H08),t>0.711 (Superficial 30T) |
525~595 |
(HR) 70~74 |
| Extra spring (H10),0.51≤t≤0.91 (B-Scale) |
≥560 |
(HR) ≥85 |
| Extra spring (H10),t>0.91 (B-Scale) |
≥560 |
(HR) ≥86 |
| Extra spring (H10),0.30≤t≤0.71 (Superficial 30T) |
≥560 |
(HR) ≥72 |
| Extra spring (H10),t>0.711 (Superficial 30T) |
≥560 |
(HR) ≥73 |