| 熱軋鋼 (M20) |
260~345 |
|
| 1/4硬(H01),0.51≤t≤0.91 (B-Scale) |
315~385 |
(HR) 48~73 |
| 1/4硬(H01),t>0.91 (B-Scale) |
315~385 |
(HR) 49~75 |
| 1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) |
315~385 |
(HR) 48~65 |
| 1/4硬(H01),t>0.711 (Superficial 30T) |
315~385 |
(HR) 49~67 |
| 1/2硬(H02),0.51≤t≤0.91 (B-Scale) |
365~435 |
(HR) 68~78 |
| 1/2硬(H02),t>0.91 (B-Scale) |
365~435 |
(HR) 70~80 |
| 1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) |
365~435 |
(HR) 62~68 |
| 1/2硬(H02),t>0.711 (Superficial 30T) |
365~435 |
(HR) 63~70 |
| 3/4硬(H03),0.51≤t≤0.91 (B-Scale) |
395~470 |
(HR) 73~80 |
| 3/4硬(H03),t>0.91 (B-Scale) |
395~470 |
(HR) 75~82 |
| 3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) |
395~470 |
(HR) 65~70 |
| 3/4硬(H03),t>0.711 (Superficial 30T) |
395~470 |
(HR) 66~71 |
| 硬(H04),0.51≤t≤0.91 (B-Scale) |
440~515 |
(HR) 78~85 |
| 硬(H04),t>0.91 (B-Scale) |
440~515 |
(HR) 79~87 |
| 硬(H04),0.30≤t≤0.71 (Superficial 30T) |
440~515 |
(HR) 69~72 |
| 硬(H04),t>0.711 (Superficial 30T) |
440~515 |
(HR) 69~74 |
| 超硬(H06),0.51≤t≤0.91 (B-Scale) |
485~565 |
(HR) 81~87 |
| 超硬(H06),t>0.91 (B-Scale) |
485~565 |
(HR) 82~90 |
| 超硬(H06),0.30≤t≤0.71 (Superficial 30T) |
485~565 |
(HR) 70~73 |
| 超硬(H06),t>0.711 (Superficial 30T) |
485~565 |
(HR) 70~75 |
| 彈簧(H08),0.51≤t≤0.91 (B-Scale) |
540~615 |
(HR) 86~92 |
| 彈簧(H08),t>0.91 (B-Scale) |
540~615 |
(HR) 87~93 |
| 彈簧(H08),0.30≤t≤0.71 (Superficial 30T) |
540~615 |
(HR) 73~76 |
| 彈簧(H08),t>0.711 (Superficial 30T) |
540~615 |
(HR) 73~77 |
| Extra spring (H10),0.51≤t≤0.91 (B-Scale) |
≥585 |
(HR) ≥89 |
| Extra spring (H10),t>0.91 (B-Scale) |
≥585 |
(HR) ≥90 |
| Extra spring (H10),0.30≤t≤0.71 (Superficial 30T) |
≥585 |
(HR) ≥74 |
| Extra spring (H10),t>0.711 (Superficial 30T) |
≥585 |
(HR) ≥75 |