Kunzwisisa ASTM A252 Pipe: Saizi, Hunhu, uye Mashandisirwo
Pombi yeAstm A252chikamu chakakosha mukushandiswa kwezvivakwa mumaindasitiri akasiyana-siyana, kunyanya mumapurojekiti ekuvaka nezvivakwa. Blog rino richaongorora saizi, mhando, uye mashandisirwo emapaipi eASTM A252, richiratidza kugona kwemugadziri anotungamira ari muCangzhou, Hebei Province.
Chii chinonzi ASTM A252 pombi?
Saizi dzemapaipi eAstm A252itsanangudzo yakagadzirwa neAmerican Society for Testing and Materials (ASTM) iyo inotsanangura zvinodiwa zvemapaipi esimbi akasungirirwa uye asina musono anoshandiswa mukuisa mapaipi. Mutemo uyu unotarisa pakuvimbika kwechimiro chepombi uye kugara kwenguva refu, zvichiita kuti ikodzere nheyo, mabhiriji, nezvimwe zvinoshandiswa zvine basa guru.
Chii chinonzi ASTM A252 pombi?
ASTM A252 ipfungwa ine simba yakagadzirwa neAmerican Society for Testing and Materials (ASTM), kunyanya yemapaipi esimbi anoshandiswa mukufambisa mapombi nemashandisirwo ekutsigira chimiro chakadzika. Mutemo uyu unonyatsotsanangura kuumbwa kwemakemikari, hunhu hwemakanika, kushivirira kwehukuru uye nzira dzekuedza mapaipi esimbi, zvichiita kuti ave akasimba, agare kwenguva refu uye akwanise kutakura mutoro. Isarudzo yakanaka yemapurojekiti enheyo akadai seBridges, zvivakwa zvirefu uye madoko.
Zviyero zveAstm A252 Pipesaizi uye marongero
Mapaipi eASTM A252 akakamurwa kuita magiredhi matatu zvichienderana nezvinodiwa nesimba: GR 1, GR 2, uye GR 3, pakati pawo GR 3 ine simba guru. Saizi yayo inochinjika uye inogona kusangana nezvinodiwa zvakasiyana-siyana zveinjiniya.
Dhayamita yekunze (OD): Kubva pamasendimita matanhatu kusvika pamasendimita makumi matanhatu, uye saizi dzakakura dzinogona kugadzirwa.
Ukobvu hwemadziro (WT): Kazhinji pakati pe 0.188 inches ne 0.500 inches, uye inogona kugadziriswa zvichienderana nezvinodiwa zvekudzivirira kudzvanywa nekukotama.
Kureba: Kureba kwakajairika i 20 feet kana 40 feet. Kugadzirwa kwakagadzirwa kunotsigirwawo zvichienderana nezvinodiwa neprojekiti.
Mhando dzakasiyana-siyana idzi dzinoita kuti mainjiniya akwanise kusarudza zvinhu zvinodhura zvakanyanya pamapurojekiti chaiwo.
Pombi yeASTM A252 inoshandiswa mumhando dzakasiyana siyana, dzinosanganisira:
1. Kuunganidza: Mapaipi aya anowanzo shandiswa semirwi yevhu mumapurojekiti ekuvaka kuti ape kugadzikana nekutsigira chivakwa.
2. Mabhiriji: Simba uye kugara kwenguva refu kwepombi yeASTM A252 zvinoita kuti ive sarudzo yakanaka yekuvaka bhiriji, kwainogona kutsungirira mitoro inorema uye mamiriro ekunze.
3. Zvivako zvemugungwa: Kusagona ngura kwemapaipi aya kunoita kuti ashandiswe mumabasa emugungwa akadai sepamadoko nemapango.
4. Oiri neGasi: Nekuda kwekuvakwa kwayo kwakasimba, pombi yeASTM A252 inoshandiswawo muindasitiri yemafuta negasi kutakura mvura nemagasi.
Muchidimbu
Zvichitaurwa zviri nyore, pombi yeASTM A252 chinhu chakakosha pakushandiswa kwakasiyana-siyana kwekuvaka, zvichipa kuvimbika uye simba. Fekitori iyi iri muCangzhou, Hebei Province, inotungamira mukugadzira pombi dzerudzi urwu, ichiona kuti zvigadzirwa zvayo zvinosangana nezvinodiwa zvepamusoro-soro. Nekuzvipira kwayo kuita zvakanaka uye kutarisa pakugadzira zvinhu zvitsva, kambani iyi inoramba ichiita basa rakakosha muzvikamu zvekuvaka nezvivakwa. Kunyangwe uri muchirongwa chikuru chekuvaka kana kuti uchida mhinduro yakavimbika yepombi, pombi yeASTM A252 isarudzo yakanaka kwazvo kune zvaunoda.
Nguva yekutumira: Gunyana-04-2025