Te Konukura AriāTātaitanga TaumahaTātai:
Me pēhea te tatau i te taumaha o te kowiri tira māu ake?
1. Ngā Paipa Kowiri tira
Ngā Paipa Porowhita Kowiri tira
Tātai: (diameter o waho – matotoru o te pakitara) × matotoru o te pakitara (mm) × roa (m) × 0.02491
Hei tauira: 114mm (te whānui o waho) × 4mm (te matotoru o te pakitara) × 6m (te roa)
Tātaitanga: (114-4) × 4 × 6 × 0.02491 = 83.70 (kg)
* Mō ngā 316, 316L, 310S, 309S, me ētahi atu, ōwehenga=0.02507
Ngā Paipa Tapawhā Kowiri tira
Tātai: [(roa taha + whānui taha) × 2 /3.14- matotoru] × matotoru (mm) × roa (m) × 0.02491
Hei tauira: 100mm (roa taha) × 50mm (whānui taha) × 5mm (matotoru) × 6m (roa)
Tātaitanga: [(100+50)×2/3.14-5] ×5×6×0.02491=67.66 (kg)
Ngā Paipa Tapawhā Kowiri tira
Tātai: (whānui taha × 4/3.14- matotoru) × matotoru × roa (m) × 0.02491
Hei tauira: 50mm (whānui taha) × 5mm (matotoru) × 6m (roa)
Tātaitanga: (50×4/3.14-5) ×5×6×0.02491 = 43.86kg
2. Ngā Pepa/Pereti Kowiri tira
Tātai: roa (m) × whānui (m) × matotoru (mm) × 7.93
Hei tauira: 6m (roa) × 1.51m (whānui) × 9.75mm (matotoru)
Tātaitanga: 6 × 1.51 × 9.75 × 7.93 = 700.50kg
3. Ngā Pae Kowiri tira
Ngā Pae Porowhita Kowiri tira
Tātai: Dia(mm)×Dia(mm)×Roa(m)×0.00623
Hei tauira: Φ20mm(Dia.)×6m (Roa)
Tātaitanga: 20 × 20 × 6 × 0.00623 = 14.952kg
*Mō te maitai kore waikura raupapa 400, ōwehenga=0.00609
Ngā Pae Tapawhā Kowiri tira
Tātai: whānui taha (mm) × whānui taha (mm) × roa (m) × 0.00793
Hei tauira: 50mm (whānui taha) × 6m (roa)
Tātaitanga: 50 × 50 × 6 × 0.00793 = 118.95 (kg)
Ngā Pae Papatahi Kowiri tira
Tātai: whānui taha (mm) × matotoru (mm) × roa (m) × 0.00793
Hei tauira: 50mm (whānui taha) × 5.0mm (matotoru) × 6m (roa)
Tātaitanga: 50 × 5 × 6 × 0.00793 = 11.895 (kg)
Ngā Pae Tapaono Kowiri tira
Tātai: whānui* (mm) × whānui* (mm) × roa (m) × 0.00686
Hei tauira: 50mm (whakarara) × 6m (roa)
Tātaitanga: 50 × 50 × 6 × 0.00686 = 103.5 (kg)
*dia. ko te tikanga ko te diameter i waenganui i te whānui o ngā taha e rua e tata ana.
– Ngā Pae Koki Waewae Rite Kowiri tira
Tātai: (whānui taha ×2 – matotoru) ×mātotoru ×roa(m) ×0.00793
Hei tauira: 50mm (whānui taha) ×5mm (matotoru) ×6m (roa)
Tātaitanga: (50×2-5) ×5×6×0.00793 = 22.60 (kg)
– Ngā Pae Koki Waewae Kore-Taurite a te Kowiri tira
Tātai: (whānui taha + whānui taha – matotoru) ×mātotoru ×roa(m) ×0.00793
Hei tauira: 100mm (whānui taha) × 80mm (whānui taha) × 8 (matotoru) × 6m (roa)
Tātaitanga: (100+80-8) × 8 × 6 × 0.00793 = 65.47 (kg)
| Kiato (g/cm3) | Kowiri tira |
| 7.93 | 201, 202, 301, 302, 304, 304L, 305, 321 |
| 7.98 | 309S, 310S, 316Ti, 316, 316L, 347 |
| 7.75 | 405, 410, 420 |
4. Waea Rino Kowiri tira, Tokotoko rānei
Waea kowiri tira
Tātai: Dia(mm)×Dia(mm)×Roa(m)×0.00609 (Tohu: 410 420 420j2 430 431)
Tātai: Dia(mm)×Dia(mm)×Roa(m)×0.00623 (Tohu: 301 303 304 316 316L 321)
Hei tauira: 430 Φ0.1mm(Dia.)x10000m (Roa)
Tātaitanga: 0.1 × 0.1 × 10000 × 0.00609 = 14.952kg
*Mō te maitai kore waikura raupapa 400, ōwehenga=0.609
5. Taura Waea Kowiri tira
Taura Waea Kowiri tira1*7,1*19,7*7,7*19,7*37
Tātai: Dia(mm)×Dia(mm)×Roa(m)×4 Hanganga Taura Waea (7*7,7*19,7*37)
Tātai: Dia(mm)×Dia(mm)×Roa(m)×5 Hanganga Taura Waea(1*7,1*19)
Hei tauira: 304 7*19 Φ5mm(Dia.)x1000m (Roa)
Tātaitanga: 5 × 5 × 1 × 4 = 100kg
*Mō te Taumaha mō ia kiromita 7×7,7×19,7×37 Ōwehenga:4
*Mō te Taumaha mō ia kiromita 1×7,1×19 Ōwehenga:5
6. Ngā Pepa/Pereti Konumohe
Tātai: roa (m) × whānui (m) × matotoru (mm) × 2.80
Hei tauira: 6m (roa) × 1.5m (whānui) × 10.0mm (matotoru)
Tātaitanga: 6 × 1.5 × 10 × 2.80 = 252kg
7. Pae Tapawhā/Tapawhā Alumini
Tātai: roa (m) × whānui (mm) × whānui (mm) × 0.0028
Hei tauira: 6m (roa) × 10.0m (whānui) × 10.0mm (whānui)
Tātaitanga: 6 × 10 × 10 × 0.0028 = 1.68 kg
8. Pae Konumohe
Tātai: roa (m) × Diameter (mm) × Diameter (mm) × 0.0022
Hei tauira: 6m (roa) × 10.0m (Diameter) × 10.0mm (Diameter)
Tātaitanga: 6 × 10 × 10 × 0.0022 = 1.32 kg
Tātai: whānui* (mm) × whānui* (mm) × roa (m) × 0.00242
Hei tauira: 50mm (whakarara) × 6m (roa)
Tātaitanga: 50 × 50 × 6 × 0.00242 = 36.3 (kg)
*dia. ko te tikanga ko te diameter i waenganui i te whānui o ngā taha e rua e tata ana.
9. Paipa/Ngongo Konumohe
Tātai: OD(mm) x (OD(mm) – T (mm)) × Roa(m) × 0.00879
Hei tauira: 6m (roa) × 10.0m (OD) × 1.0mm (Matotoru)
Tātaitanga: 6 × (10 – 1)× 10 × 0.00879 = 4.746 kg
10. Pae Parahi
Pae Porowhita Parahi
Tātai (KGS) = 3.14 X 0.00000785 X ((diameter / 2)X( diameter / 2)) X ROA.
Tauira: Pae Parahi CuSn5Pb5Zn5 62x3000mm Taumaha Kotahi te Wāhanga
Kiato: 8.8
Tātaitanga: 3.14 * 8.8/1000000 * ((62/2) * ( 62/2)) *1000 mm = 26.55 kg / mita
Pae tapaono parahi
Tātai: whānui* (mm) × whānui* (mm) × roa (m) × 0.0077
Hei tauira: 50mm (whakarara) × 6m (roa)
Tātaitanga: 50 × 50 × 6 × 0.0077 = 115.5 (kg)
*dia. ko te tikanga ko te diameter i waenganui i te whānui o ngā taha e rua e tata ana.
Pae tapawhā/tapawhā hāngai parahi
Tātai: roa (m) × Whānui (mm) × Whānui (mm) × 0.0089
Hei tauira: 6m (roa) × 10.0m (Whānui) × 10.0mm (Whānui)
Tātaitanga: 6 × 10 × 10 × 0.00698 = 5.34 kg
11. Paipa/Ture Parahi
Taumaha = (OD – Taumaha) * Taumaha * 0.02796 * Roa
Ko te ine o te ngongo parahi kei roto i ngā mirimita (mm), ā, ko te roa o te ngongo parahi kei roto i ngā mita (m), ko te hua o te taumaha ko KG.
12. Ngā Pepa/Pereti Parahi
Tātai: roa (m) × whānui (m) × matotoru (mm) × 0.0089
Hei tauira: 6m (roa) × 1.5m (whānui) × 10.0mm (matotoru)
Tātaitanga: 6 × 1.5 × 10 × 8.9 = 801.0 kg
13. Ngā Pepa/Pereti Parahi
Tātai: roa (m) × whānui (m) × matotoru (mm) × 0.0085
Hei tauira: 6m (roa) × 1.5m (whānui) × 10.0mm (matotoru)
Tātaitanga: 6 × 1.5 × 10 × 8.5 = 765.0 kg
14. Paipa/Ngongo Parahi
Tātai: OD(mm) x (OD(mm) – T (mm)) × Roa(m) × 0.0267
Hei tauira: 6m (roa) × 10.0m (OD) × 1.0mm (Matotoru)
Tātaitanga: 6 × (10 – 1)× 10 × 0.0267 = 14.4 kg
15. Pae Tapaono Parahi
Tātai: whānui* (mm) × whānui* (mm) × roa (m) × 0.00736
Hei tauira: 50mm (whakarara) × 6m (roa)
Tātaitanga: 50 × 50 × 6 × 0.00736 = 110.4 (kg)
*dia. ko te tikanga ko te diameter i waenganui i te whānui o ngā taha e rua e tata ana.
Te wā tuku: 13-Pepuere-2025