| 熱軋鋼 (M20) |
275~370 |
|
| 1/4硬(H01),0.51≤t≤0.91 (B-Scale) |
340~405 |
(HR) 46~71 |
| 1/4硬(H01),t>0.91 (B-Scale) |
340~405 |
(HR) 48~73 |
| 1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) |
340~405 |
(HR) 45~65 |
| 1/4硬(H01),t>0.711 (Superficial 30T) |
340~405 |
(HR) 47~67 |
| 1/2硬(H02),0.51≤t≤0.91 (B-Scale) |
395~485 |
(HR) 67~81 |
| 1/2硬(H02),t>0.91 (B-Scale) |
395~485 |
(HR) 69~83 |
| 1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) |
395~485 |
(HR) 63~69 |
| 1/2硬(H02),t>0.711 (Superficial 30T) |
395~485 |
(HR) 65~72 |
| 3/4硬(H03),0.51≤t≤0.91 (B-Scale) |
430~510 |
(HR) 74~84 |
| 3/4硬(H03),t>0.91 (B-Scale) |
430~510 |
(HR) 76~86 |
| 3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) |
430~510 |
(HR) 66~71 |
| 3/4硬(H03),t>0.711 (Superficial 30T) |
430~510 |
(HR) 68~73 |
| 硬(H04),0.51≤t≤0.91 (B-Scale) |
485~565 |
(HR) 81~88 |
| 硬(H04),t>0.91 (B-Scale) |
485~565 |
(HR) 83~90 |
| 硬(H04),0.30≤t≤0.71 (Superficial 30T) |
485~565 |
(HR) 70~74 |
| 硬(H04),t>0.711 (Superficial 30T) |
485~565 |
(HR) 72~76 |
| 超硬(H06),0.51≤t≤0.91 (B-Scale) |
525~605 |
(HR) 86~92 |
| 超硬(H06),t>0.91 (B-Scale) |
525~605 |
(HR) 88~94 |
| 超硬(H06),0.30≤t≤0.71 (Superficial 30T) |
525~605 |
(HR) 71~75 |
| 超硬(H06),t>0.711 (Superficial 30T) |
525~605 |
(HR) 73~77 |
| 彈簧(H08),0.51≤t≤0.91 (B-Scale) |
580~650 |
(HR) 89~93 |
| 彈簧(H08),t>0.91 (B-Scale) |
580~650 |
(HR) 91~95 |
| 彈簧(H08),0.30≤t≤0.71 (Superficial 30T) |
580~650 |
(HR) 73~77 |
| 彈簧(H08),t>0.711 (Superficial 30T) |
580~650 |
(HR) 74~78 |