| 热轧钢 (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 |
| 弹簧(H08)，0.51≤t≤0.91 (B-Scale) |
540~615 |
(HR)
86~92 |
| 弹簧(H08)，t＞0.91 (B-Scale) |
540~615 |
(HR)
87~93 |
| 弹簧(H08)，0.30≤t≤0.71 (Superficial 30T) |
540~615 |
(HR)
73~76 |
| 弹簧(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 |
