| 熱軋鋼 (M20) |
235~345 |
|
| 1/4硬(H01),0.51≤t≤0.91 (B-Scale) |
290~370 |
(HR) 32~60 |
| 1/4硬(H01),t>0.91 (B-Scale) |
290~370 |
(HR) 34~63 |
| 1/4硬(H01),0.30≤t≤0.71 (Superficial 30T) |
290~370 |
(HR) 37~57 |
| 1/4硬(H01),t>0.711 (Superficial 30T) |
290~370 |
(HR) 38~64 |
| 1/2硬(H02),0.51≤t≤0.91 (B-Scale) |
340~415 |
(HR) 51~68 |
| 1/2硬(H02),t>0.91 (B-Scale) |
340~415 |
(HR) 52~70 |
| 1/2硬(H02),0.30≤t≤0.71 (Superficial 30T) |
340~415 |
(HR) 50~62 |
| 1/2硬(H02),t>0.711 (Superficial 30T) |
340~415 |
(HR) 51~67 |
| 3/4硬(H03),0.51≤t≤0.91 (B-Scale) |
380~455 |
(HR) 62~75 |
| 3/4硬(H03),t>0.91 (B-Scale) |
380~455 |
(HR) 63~77 |
| 3/4硬(H03),0.30≤t≤0.71 (Superficial 30T) |
380~455 |
(HR) 58~66 |
| 3/4硬(H03),t>0.711 (Superficial 30T) |
380~455 |
(HR) 59~70 |
| 硬(H04),0.51≤t≤0.91 (B-Scale) |
420~495 |
(HR) 68~79 |
| 硬(H04),t>0.91 (B-Scale) |
420~495 |
(HR) 69~81 |
| 硬(H04),0.30≤t≤0.71 (Superficial 30T) |
420~495 |
(HR) 62~70 |
| 硬(H04),t>0.711 (Superficial 30T) |
420~495 |
(HR) 64~71 |
| 超硬(H06),0.51≤t≤0.91 (B-Scale) |
460~540 |
(HR) 74~82 |
| 超硬(H06),t>0.91 (B-Scale) |
460~540 |
(HR) 76~84 |
| 超硬(H06),0.30≤t≤0.71 (Superficial 30T) |
460~540 |
(HR) 66~73 |
| 超硬(H06),t>0.711 (Superficial 30T) |
460~540 |
(HR) 67~72 |
| 彈簧(H08),0.51≤t≤0.91 (B-Scale) |
505~570 |
(HR) 78~84 |
| 彈簧(H08),t>0.91 (B-Scale) |
505~570 |
(HR) 77~86 |
| 彈簧(H08),0.30≤t≤0.71 (Superficial 30T) |
505~570 |
(HR) 69~74 |
| 彈簧(H08),t>0.711 (Superficial 30T) |
505~570 |
(HR) 70~73 |
| Extra spring (H10),0.51≤t≤0.91 (B-Scale) |
≥540 |
(HR) ≥80 |
| Extra spring (H10),t>0.91 (B-Scale) |
≥540 |
(HR) ≥80 |
| Extra spring (H10),0.30≤t≤0.71 (Superficial 30T) |
≥540 |
(HR) ≥70 |
| Extra spring (H10),t>0.711 (Superficial 30T) |
≥540 |
(HR) ≥71 |