Tuubada birta kaarboonka ah ee Jadwalka 80 waa nooc ka mid ah tuubo lagu garto derbigeeda qaro weyn marka loo eego jadwalka kale, sida Jadwalka 40. "Jadwalka" ee tuubo waxay tilmaamaysaa dhumucda derbigeeda, taas oo saameysa heerka cadaadiska iyo xoogga qaab-dhismeedka.
Astaamaha Muhiimka ah ee Tuubada Birta Kaarboon ee Jadwalka 80
1. Dhumucda Derbiga: Ka dhumuc weyn Jadwalka 40, taasoo siinaysa xoog iyo cimri dheer.
2. Qiimaynta Cadaadiska: Qiimaynta cadaadiska sare sababtoo ah dhumucda derbiga oo korodhay, taasoo ka dhigaysa mid ku habboon codsiyada cadaadiska sare leh.
3. Maaddada: Waxaa laga sameeyay bir kaarboon ah, taasoo bixisa xoog iyo cimri dherer wanaagsan, iyo sidoo kale iska caabinta xirashada iyo jeexitaanka.
4. Codsiyada:
Tuubooyinka Warshadaha: Waxaa loo isticmaalaa warshadaha sida saliidda iyo gaaska, farsamaynta kiimikada, iyo soo saarista korontada.
Tuubooyinka: Ku habboon khadadka biyaha ee cadaadiska sare leh.
Dhismaha: Waxaa loo isticmaalaa codsiyada qaab-dhismeedka halkaas oo loo baahan yahay xoog sare.
Tilmaamaha Tuubada Birta Kaarboon ee Jadwalka 80
| Cabbirka magacaaban | DN | Dhexroorka dibadda | Dhexroorka dibadda | jadwalka 80 dhumucdiisuna | |
| Dhumucda derbiga | Dhumucda derbiga | ||||
| [inji] | [inji] | [mm] | [inji] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.147 | 3.73 |
| 3/4 | 20 | 1.05 | 26.7 | 0.154 | 3.91 |
| 1 | 25 | 1.315 | 33.4 | 0.179 | 4.55 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.191 | 4.85 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.200 | 5.08 |
| 2 | 50 | 2.375 | 60.3 | 0.218 | 5.54 |
| 2 1/2 | 65 | 2.875 | 73 | 0.276 | 7.01 |
| 3 | 80 | 3.5 | 88.9 | 0.300 | 7.62 |
| 3 1/2 | 90 | 4 | 101.6 | 0.318 | 8.08 |
| 4 | 100 | 4.5 | 114.3 | 0.337 | 8.56 |
| 5 | 125 | 5.563 | 141.3 | 0.375 | 9.52 |
| 6 | 150 | 6.625 | 168.3 | 0.432 | 10.97 |
| 8 | 200 | 8.625 | 219.1 | 0.500 | 12.70 |
| 10 | 250 | 10.75 | 273 | 0.594 | 15.09 |
Cabbirrada: Waxaa laga heli karaa cabbirro kala duwan oo tuubooyin ah (NPS), badanaa laga bilaabo 1/8 inji ilaa 24 inji.
Heerarka: Waxay u hoggaansan yihiin heerar kala duwan sida ASTM A53, A106, iyo API 5L, kuwaas oo qeexaya shuruudaha agabka, cabbirrada, iyo waxqabadka.
Halabuurka Kiimikada ee Jadwalka 80 Tuubada Birta Kaarboon
Jadwalka 80 wuxuu yeelan doonaa dhumuc cayiman oo la go'aamiyay, iyadoon loo eegin heerka gaarka ah ama halabuurka birta la isticmaalay.
| Darajada A | Fasalka B | |
| C, ugu badnaan % | 0.25 | 0.3 |
| Mn, ugu badnaan % | 0.95 | 1.2 |
| B, ugu badnaan % | 0.05 | 0.05 |
| S, ugu badnaan % | 0.045 | 0.045 |
| Xoogga jiidista, ugu yaraan [MPa] | 330 | 415 |
| Xoogga wax soo saarka, ugu yaraan [MPa] | 205 | 240 |
Jadwalka 80 Tuubada Birta Kaarboon
Faa'iidooyinka:
Xoog Sare: Darbiyada qaro weyn waxay bixiyaan hufnaan dhisme oo la xoojiyay.
Waarta: Adkaanta birta kaarboon iyo iska caabbinta xirashada ayaa ka dhigaysa tuubooyinkan kuwo waara.
Kala duwanaansho: Ku habboon codsiyo iyo warshado kala duwan.
Qasaarooyinka:
Miisaanka: Darbiyada qaro weyn ayaa tuubooyinka ka dhigaya kuwo culus oo laga yaabo inay aad u adag tahay in la maareeyo oo la rakibo.
Qiimaha: Guud ahaan way ka qaalisan tahay tuubooyinka leh derbiyo khafiif ah sababtoo ah isticmaalka agabka oo kordhay.
Waqtiga boostada: Maajo-24-2024