Áireamhán Meáchain Cóimhiotail Nicil (Monel, Inconel, Incoloy, Hastelloy) Foirmle ríofa meáchain píopa babhta
1. Píopa Babhta Cruach Dhosmálta
Foirmle: (trastomhas seachtrach – tiús bhalla) × tiús bhalla (mm) × fad (m) × 0.02491
M.sh.: 114mm (trastomhas seachtrach) × 4mm (tiús balla) × 6m (fad)
Ríomh: (114-4) × 4 × 6 × 0.02491 = 83.70 (kg)
* I gcás 316, 316L, 310S, 309S, etc., comhéifeacht / cóimheas = 0.02507
| Grád | comhéifeacht | Grád | comhéifeacht |
| Píopa Cruach Dhosmálta 304 321 | 0.02491 | Sraith 300 | 0.00623 |
| Píopa Cruach Dhosmálta 316 2520 | 0.02507 | Barra GH3030 | 0.006602 |
| Píopa Cruach Dhosmálta 314 | 0.033118 | Barra GH3039 | 0.006473 |
| Píopa Hastelloy C276 HR1230 | 0.028013 | Barra Hastelloy C276 HR1230 | 0.006995 |
| Píopa Hastelloy B2 | 0.02937 | Barra Hastelloy B2 | 0.007262 |
| Píopa Tíotáiniam | 0.0141596 | Barra Tíotáiniam | 0.0035 |
| Píopa Nicil | 0.027982 | Inconel 600 barra | 0.005524 |
| Píopa Cóimhiotail GH3030 | 0.02643 | Bileog Tíotáiniam | 4.516 |
| Píopa Cóimhiotail GH3039 | 0.02618 | Bileog GH3030/GH3039 | 8.5 |
| Píopa Cóimhiotail 800H | 0.02543 | Bileog Inconel 600 | 8.4 |
| Píopa Cóimhiotail Monel 400 | 0.02779 | ||
| Píopa Cóimhiotail 3YC52 | 0.02455 | ||
| Bileog Cruach Dhosmálta | 7.93 |
2. Foirmle ríofa meáchain eile Píopa Babhta Cruach Dhosmálta:
Foirmle: (trastomhas seachtrach cearnógach – trastomhas istigh cearnógach) × fad (m) × 0.25*π
M.sh.: 114mm (trastomhas seachtrach) × 4mm (tiús balla) × 6m (fad)
Ríomh: (114*114-106*106) × 6 ×0.00793= 83.74 (kg)
* I gcás 316, 316L, 310S, 309S, etc., comhéifeacht / cóimheas = 0.00793
Is féidir torthaí comhchosúla a fháil le dhá mhodh ríofa éagsúla, áfach, tá na comhéifeachtaí tagartha comhfhreagracha difriúil agus ní mór iad a mheabhrú.
3. Meáchan & Dlús Cruach Dhosmálta 304, 316, 304L & 316L
Is é dlús cruach dhosmálta ná thart ar 7.93 g/cm3 (0.286 lb/in3). Is é 0.286 punt meáchan cruach dhosmálta in aghaidh an orlaigh chiúbaigh, agus is é 495 punt in aghaidh an troigh chiúbaigh.
| Dlús Cruach Dhosmálta | ||||
| Cruach Dhosmálta | Dlús (g/cm3), nó meáchan sonrach | Dlús (kg/m3) | Dlús (lb/orlach³) | Dlús (lb/ft3) |
| 304, 304L, 304N | 7.93 | 7930 | 0.286 | 495 |
| 316, 316L, 316N | 8 | 8000 | 0.29 | 499 |
| 201 | 7.8 | 7800 | 0.28 | 487 |
| 202 | 7.8 | 7800 | 0.28 | 487 |
| 205 | 7.8 | 7800 | 0.28 | 487 |
| 301 | 7.93 | 7930 | 0.286 | 495 |
| 302, 302B, 302Cu | 7.93 | 7930 | 0.286 | 495 |
| 303 | 7.93 | 7930 | 0.286 | 495 |
| 305 | 8 | 8000 | 0.29 | 499 |
| 308 | 8 | 8000 | 0.29 | 499 |
| 309 | 7.93 | 7930 | 0.286 | 495 |
| 310 | 7.93 | 7930 | 0.286 | 495 |
| 314 | 7.72 | 7720 | 0.279 | 482 |
| 317, 317L | 8 | 8000 | 0.29 | 499 |
| 321 | 7.93 | 7930 | 0.286 | 495 |
| 329 | 7.8 | 7800 | 0.28 | 487 |
| 330 | 8 | 8000 | 0.29 | 499 |
| 347 | 8 | 8000 | 0.29 | 499 |
| 384 | 8 | 8000 | 0.29 | 499 |
| 403 | 7.7 | 7700 | 0.28 | 481 |
| 405 | 7.7 | 7700 | 0.28 | 481 |
| 409 | 7.8 | 7800 | 0.28 | 487 |
| 410 | 7.7 | 7700 | 0.28 | 481 |
| 414 | 7.8 | 7800 | 0.28 | 487 |
| 416 | 7.7 | 7700 | 0.28 | 481 |
| 420 | 7.7 | 7700 | 0.28 | 481 |
| 422 | 7.8 | 7800 | 0.28 | 487 |
| 429 | 7.8 | 7800 | 0.28 | 487 |
| 430, 430F | 7.7 | 7700 | 0.28 | 481 |
| 431 | 7.7 | 7700 | 0.28 | 481 |
| 434 | 7.8 | 7800 | 0.28 | 487 |
| 436 | 7.8 | 7800 | 0.28 | 487 |
| 439 | 7.7 | 7700 | 0.28 | 481 |
| 440 (440A, 440B, 440C) | 7.7 | 7700 | 0.28 | 481 |
| 444 | 7.8 | 7800 | 0.28 | 487 |
| 446 | 7.6 | 7600 | 0.27 | 474 |
| 501 | 7.7 | 7700 | 0.28 | 481 |
| 502 | 7.8 | 7800 | 0.28 | 487 |
| 904L | 7.9 | 7900 | 0.285 | 493 |
| 2205 | 7.83 | 7830 | 0.283 | 489 |
Am an phoist: 12 Deireadh Fómhair 2022