Bomba la chuma lisilo na mshono kwa matumizi ya ujenzi wa meli hutumiwa zaidi kwa bomba la shinikizo la Level 1& Level 2 katika mfumo wa bomba, boiler na kitengo chenye joto kali zaidi cha ujenzi wa meli.
Mfano N0. wa zilizopo kuu za chuma: 320,360,410,460,490, nk.
Ukubwa:
| Aina za zilizopo za chuma | Kipenyo cha nje | Unene wa ukuta | ||
| Mirija ya baridi iliyovingirwa | Ukubwa wa bomba (mm) | Uvumilivu (mm) | Ukubwa wa bomba (mm) | Uvumilivu (mm) |
| 30-50 | ±0.3 | ≤30 | ±10% | |
| 50-219 | ±0.8% | |||
| Mirija iliyovingirwa moto | ＞219 | ±1.0% | ＞20 | ±10% |
Muundo wa kemikali:
| Mifano ya zilizopo za chuma | Mkusanyiko wa kemikali (%) | ||||
| C | Si | Mn | P | S | |
| 320 | ≤0.16 | ≤0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 |
| 360 | ≤0.17 | ≤0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 |
| 410 | ≤0.21 | ≤0.35 | 0.40-1.20 | ≤0.035 | ≤0.035 |
| 460 | ≤0.22 | ≤0.35 | 0.80-1.40 | ≤0.035 | ≤0.030 |
| 490 | ≤0.23 | ≤0.35 | 0.80-1.50 | ≤0.035 | ≤0.030 |
Tabia za mitambo:
| Mifano ya zilizopo za chuma | Nguvu ya mkazo (MPa) | Nguvu ya mavuno (MPa) | Kurefusha (%) |
| 320 | 320-410 | ≥195 | ≥25 |
| 360 | 360-480 | ≥215 | ≥24 |
| 410 | 410-530 | ≥235 | ≥22 |
| 460 | 460-580 | ≥265 | ≥21 |
| 490 | 490-610 | ≥285 | ≥21 |
Muda wa kutuma: Feb-10-2023