Mapaipi achitsulo cha kaboni a Schedule 40 amagawidwa m'magulu kutengera zinthu zosiyanasiyana kuphatikizapo makulidwe a m'mimba mwake ndi khoma, mphamvu ya zinthu, m'mimba mwake wakunja, makulidwe a khoma, ndi mphamvu ya kupanikizika.
Kusankhidwa kwa ndondomeko, monga Ndandanda 40, kumasonyeza kuphatikiza kwa zinthu izi. Pa mapaipi a Ndandanda 40, nthawi zambiri amakhala ndi makulidwe apakati pa khoma, zomwe zimapangitsa kuti pakhale mphamvu ndi kulemera kofanana. Kulemera kwa chitoliro kumatha kusiyana kutengera zinthu monga mtundu wa chitsulo cha kaboni chomwe chimagwiritsidwa ntchito, kukula kwake, ndi makulidwe a khoma.
Kuonjezera kaboni ku chitsulo kungakhudze kulemera, ndipo kuchuluka kwa kaboni m'thupi nthawi zambiri kumabweretsa mapaipi opepuka. Komabe, makulidwe ndi kukula kwa khoma kumathandizanso kwambiri pakudziwa kulemera kwake.
Ndondomeko 40 imaonedwa kuti ndi kalasi yapakati pa kupanikizika, yoyenera kugwiritsidwa ntchito mosiyanasiyana komwe kumafunika kuyesedwa kwapakati pa kupanikizika. Ngati mukufuna zambiri kapena thandizo lokhudzana ndi mapaipi achitsulo cha kaboni a Ndondomeko 40, musazengereze kulumikizana nafe kuti mupeze thandizo lina.
Kufotokozera kwa Chitoliro cha Chitsulo cha Kaboni cha Ndandanda 40
| Kukula kwa dzina | DN | Kunja kwa m'mimba mwake | Kunja kwa m'mimba mwake | makulidwe a ndandanda 40 | |
| Kukhuthala kwa khoma | Kukhuthala kwa khoma | ||||
| [inchi] | [inchi] | [mm] | [inchi] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.109 | 2.77 |
| 3/4 | 20 | 1.05 | 26.7 | 0.113 | 2.87 |
| 1 | 25 | 1.315 | 33.4 | 0.133 | 3.38 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.14 | 3.56 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.145 | 3.68 |
| 2 | 50 | 2.375 | 60.3 | 0.154 | 3.91 |
| 2 1/2 | 65 | 2.875 | 73 | 0.203 | 5.16 |
| 3 | 80 | 3.5 | 88.9 | 0.216 | 5.49 |
| 3 1/2 | 90 | 4 | 101.6 | 0.226 | 5.74 |
| 4 | 100 | 4.5 | 114.3 | 0.237 | 6.02 |
| 5 | 125 | 5.563 | 141.3 | 0.258 | 6.55 |
| 6 | 150 | 6.625 | 168.3 | 0.28 | 7.11 |
| 8 | 200 | 8.625 | 219.1 | 0.322 | 8.18 |
| 10 | 250 | 10.75 | 273 | 0.365 | 9.27 |
Chitoliro chachitsulo cha kaboni cha Schedule 40 ndi chizindikiro cha kukula kwa chitoliro chomwe chimagwiritsidwa ntchito mumakampani omanga. Chimatanthauza makulidwe a khoma la chitoliro ndipo ndi gawo la dongosolo lokhazikika lomwe limagwiritsidwa ntchito kugawa mapaipi kutengera makulidwe awo a khoma ndi mphamvu ya kupanikizika.
Mu dongosolo la Ndandanda 40:
- "Ndandanda" ikutanthauza makulidwe a khoma la chitolirocho.
- "Chitsulo cha kaboni" chimasonyeza kapangidwe ka zinthu zomwe zili mu chitolirocho, chomwe makamaka ndi kaboni ndi chitsulo.
Mapaipi achitsulo cha kaboni a Schedule 40 amagwiritsidwa ntchito kwambiri pazinthu zosiyanasiyana, kuphatikizapo mayendedwe amadzi ndi gasi, chithandizo cha kapangidwe kake, ndi ntchito zamafakitale. Amadziwika chifukwa cha mphamvu zawo, kulimba kwawo, komanso kusinthasintha kwawo, zomwe zimapangitsa kuti akhale chisankho chodziwika bwino m'mapulojekiti ambiri omanga ndi uinjiniya.
Kuphatikizika kwa Mankhwala a Chitoliro cha Chitsulo cha Kaboni cha Ndandanda 40
Ndondomeko 40 idzakhala ndi makulidwe enaake okonzedweratu, mosasamala kanthu za mtundu kapena kapangidwe ka chitsulo chomwe chagwiritsidwa ntchito.
| Giredi A | Giredi B | |
| C, % yokwanira | 0.25 | 0.3 |
| Mn, % yokwanira | 0.95 | 1.2 |
| P, % yokwanira | 0.05 | 0.05 |
| S, % yokwanira | 0.045 | 0.045 |
| Mphamvu yokoka, min [MPa] | 330 | 415 |
| Mphamvu yotulutsa, min [MPa] | 205 | 240 |
Nthawi yotumizira: Meyi-24-2024