Chitoliro cha ASTM A53 A795 API 5L Ndondomeko 80 yachitsulo cha kaboni

Chitoliro chachitsulo cha kaboni cha Ndondomeko 80 ndi mtundu wa chitoliro chomwe chimadziwika ndi khoma lake lokhuthala poyerekeza ndi ma schedule ena, monga Ndondomeko 40. "Ndondomeko" ya chitoliro imatanthauza makulidwe a khoma lake, zomwe zimakhudza kupanikizika kwake ndi mphamvu ya kapangidwe kake.

Makhalidwe Ofunika a Chitoliro cha Chitsulo cha Carbon cha Ndandanda 80

1. Kukhuthala kwa Khoma: Kukhuthala kuposa Ndondomeko 40, zomwe zimapangitsa kuti likhale lolimba komanso lolimba.
2. Kuchuluka kwa Kupanikizika: Kuchuluka kwa kupanikizika chifukwa cha makulidwe a khoma, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito ndi kupanikizika kwakukulu.
3. Zipangizo: Zopangidwa ndi chitsulo cha kaboni, chomwe chimapereka mphamvu zabwino komanso kulimba, komanso kukana kuwonongeka.

4. Mapulogalamu:
Mapaipi a Mafakitale: Amagwiritsidwa ntchito m'mafakitale monga mafuta ndi gasi, kukonza mankhwala, komanso kupanga magetsi.
Mapaipi: Oyenera kugwiritsa ntchito mitsinje yamadzi yothamanga kwambiri.
Kapangidwe: Amagwiritsidwa ntchito popanga nyumba pamene pakufunika mphamvu zambiri.

Mafotokozedwe a Chitoliro cha Chitsulo cha Kaboni cha Ndandanda 80

Ndondomeko ya chitoliro cha ASTM kapena API yokhazikika
Kukula kwa dzina DN Kunja kwa m'mimba mwake Kunja kwa m'mimba mwake makulidwe a ndandanda 80
Kukhuthala kwa khoma Kukhuthala kwa khoma
[inchi] [inchi] [mm] [inchi] [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

Kukula: Kumapezeka m'mitundu yosiyanasiyana ya mapaipi (NPS), nthawi zambiri kuyambira 1/8 inchi mpaka 24 inchi.
Miyezo: Imagwirizana ndi miyezo yosiyanasiyana monga ASTM A53, A106, ndi API 5L, yomwe imafotokoza zofunikira pa zipangizo, miyeso, ndi magwiridwe antchito.

Kuphatikizika kwa Mankhwala a Chitoliro cha Chitsulo cha Kaboni cha Ndandanda 80

Ndondomeko 80 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

Ndandanda 80 Chitoliro cha Chitsulo cha Kaboni

Ubwino:
Mphamvu Yaikulu: Makoma okhuthala amapereka umphumphu wabwino kwambiri.
Kulimba: Kulimba kwa chitsulo cha kaboni komanso kukana kusweka kwa mapaipi amenewa kumapangitsa kuti mapaipiwa akhale okhalitsa.
Kusinthasintha: Koyenera kugwiritsidwa ntchito m'mafakitale osiyanasiyana.
Zoyipa:
Kulemera: Makoma okhuthala amapangitsa mapaipi kukhala olemera komanso ovuta kuwagwira ndi kuwayika.
Mtengo: Kawirikawiri zimakhala zodula kuposa mapaipi okhala ndi makoma opyapyala chifukwa cha kuchuluka kwa zinthu zomwe zimagwiritsidwa ntchito.


Nthawi yotumizira: Meyi-24-2024