| 熱軋鋼 (M20) |
240~345 |
|
| 1/4硬(H01),0.51≤t≤0.91 (B-Scale) |
280~365 |
(HR) 30~54 |
| 1/4硬(H01),t>0.91 (B-Scale) |
280~365 |
(HR) 34~62 |
| 1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) |
280~365 |
(HR) 36~56 |
| 1/4硬(H01),t>0.711 (Superficial 30T) |
280~365 |
(HR) 38~58 |
| 1/2硬(H02),0.51≤t≤0.91 (B-Scale) |
315~400 |
(HR) 50~66 |
| 1/2硬(H02),t>0.91 (B-Scale) |
315~400 |
(HR) 52~69 |
| 1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) |
315~400 |
(HR) 49~60 |
| 1/2硬(H02),t>0.711 (Superficial 30T) |
315~400 |
(HR) 51~62 |
| 3/4硬(H03),0.51≤t≤0.91 (B-Scale) |
360~440 |
(HR) 60~72 |
| 3/4硬(H03),t>0.91 (B-Scale) |
360~440 |
(HR) 62~74 |
| 3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) |
360~440 |
(HR) 56~66 |
| 3/4硬(H03),t>0.711 (Superficial 30T) |
360~440 |
(HR) 58~68 |
| 硬(H04),0.51≤t≤0.91 (B-Scale) |
400~485 |
(HR) 66~76 |
| 硬(H04),t>0.91 (B-Scale) |
400~485 |
(HR) 68~78 |
| 硬(H04),0.30≤t≤0.71 (Superficial 30T) |
400~485 |
(HR) 60~68 |
| 硬(H04),t>0.711 (Superficial 30T) |
400~485 |
(HR) 62~70 |
| 超硬(H06),0.51≤t≤0.91 (B-Scale) |
435~515 |
(HR) 71~78 |
| 超硬(H06),t>0.91 (B-Scale) |
435~515 |
(HR) 72~80 |
| 超硬(H06),0.30≤t≤0.71 (Superficial 30T) |
435~515 |
(HR) 65~71 |
| 超硬(H06),t>0.711 (Superficial 30T) |
435~515 |
(HR) 66~73 |
| 彈簧(H08),0.51≤t≤0.91 (B-Scale) |
470~550 |
(HR) 75~81 |
| 彈簧(H08),t>0.91 (B-Scale) |
470~550 |
(HR) 76~83 |
| 彈簧(H08),0.30≤t≤0.71 (Superficial 30T) |
470~550 |
(HR) 67~72 |
| 彈簧(H08),t>0.711 (Superficial 30T) |
470~550 |
(HR) 68~74 |
| Extra spring (H10),0.51≤t≤0.91 (B-Scale) |
505~580 |
(HR) 78~83 |
| Extra spring (H10),t>0.91 (B-Scale) |
505~580 |
(HR) 79~85 |
| Extra spring (H10),0.30≤t≤0.71 (Superficial 30T) |
505~580 |
(HR) 69~73 |
| Extra spring (H10),t>0.711 (Superficial 30T) |
505~580 |
(HR) 70~75 |