Ezokwakha kanye nobunjiniyela bomphakathi, ukukhethwa kwempahla kubalulekile ukuze kuqinisekiswe ubuqotho nokuphila isikhathi eside kwesakhiwo. Enye impahla ehlonishwa kakhulu embonini ipayipi le-ASTM A252. Ukucaciswa kuhlanganisa i-cylindrical, izinqwaba zamapayipi ensimbi odongeni, ezibalulekile emisebenzini ehlukahlukene, ikakhulukazi kubunjiniyela besisekelo. Kule bhulogi, sizongena ngokujulile ekucacisweni okubalulekile nasekusetshenzisweni kosayizi wamapayipi we-ASTM A252 ngenkathi sigqamisa amakhono omkhiqizi ohamba phambili ozinze e-Cangzhou, esifundazweni sase-Hebei.
Ukucaciswa okuyinhloko kwamapayipi we-ASTM A252
I-ASTM A252 iyincazelo ejwayelekile echaza izidingo zezinqwaba zamapayipi ensimbi ashiselwe futhi angenamthungo. Lawa mapayipi aklanyelwe ukusetshenziswa njengamalungu ahlala unomphela athwala imithwalo noma njengamagobolondo ezinqwaba zikakhonkolo ezifakwe endaweni. Imininingwane ebalulekile ye-ASTM A252 ifaka:
1. Ibanga Lezinto Ezibalulekile: Ukucaciswa kuhlanganisa amabanga amathathu ensimbi: IBanga loku-1, iBanga lesi-2, neBanga lesi-3. Ibanga ngalinye linesidingo samandla esivuno esihlukile, iBanga lesi-3 linamandla esivuno esiphezulu futhi lifanele izicelo zomsebenzi onzima.
2. Usayizi: Amapayipi e-ASTM A252 atholakala ngokuqina kodonga okuhlukile, okuvumela ukuguquguquka ekuklanyweni nasekusetshenzisweni. Lawa mapayipi atholakala ngobubanzi obusuka kumasentimitha angu-6 ukuya kwangu-60 ukuze ahlangabezane nezidingo ezihlukahlukene zephrojekthi.
3. Izinketho ezishiselwe nezingenamthungo:Ipayipi le-ASTM A252ingakhiqizwa ishiselwe noma ingenamthungo, inikeze izinketho ezisuselwa kuzidingo ezithile zephrojekthi yakho. Ipayipi elishiselwe ngokuvamile libiza kakhulu, kuyilapho ipayipi elingenamthungo linikeza amandla amakhulu nokuthembeka.
4. Ukumelana nokugqwala: Ngokuya ngesicelo, amapayipi e-ASTM A252 angambozwa noma aphathwe ukuze kuthuthukiswe ukumelana nokugqwala, ukuqinisekisa ukusetshenziswa kwesikhathi eside ngisho nasezindaweni ezinokhahlo.
Izicelo zepayipi ze-ASTM A252
Ukuguquguquka kwepayipi le-ASTM A252 kuyenza ilungele uhla olubanzi lwezinhlelo zokusebenza, kufaka phakathi:
- Izinqwaba Eziyisisekelo: Lawa mapayipi avame ukusetshenziswa njengenqwaba yesisekelo emisebenzini yokwakha, ehlinzeka ngosizo oludingekayo lwezakhiwo, amabhuloho, nezinye izakhiwo.
- Izakhiwo Zasolwandle: Amapayipi e-ASTM A252 afaneleka kahle ukuthi asetshenziswe ezindaweni zasolwandle futhi angasetshenziswa ekwakhiweni kwamadokodo, izinsika, nezinkundla zasolwandle.
- Izindonga Ezibambayo: Amandla nokuqina kwala mapayipi kuwenza afanelekele ukusetshenziswa ekubambeni izindonga, okusiza ukusimamisa inhlabathi nokuvimbela ukuguguleka.
- Izinqwaba zikakhonkolo ezifakwe endaweni: Uma zisetshenziswa njengebhokisi lezinqwaba zikakhonkolo ezifakwe endaweni,I-ASTM A252ipayipi inikeza uhlaka oluqinile oluthuthukisa ubuqotho besakhiwo sikakhonkolo.
Umkhiqizi Ohamba phambili e-Cangzhou
Umkhiqizi owaziwayo oseCangzhou, eSifundazweni saseHebei, ubelokhu ekhiqiza amapayipi e-ASTM A252 ekhwalithi ephezulu kusukela yasungulwa ngo-1993. Le nkampani ihlanganisa indawo engamamitha-skwele angu-350,000, inempahla ephelele yezigidi ezingu-RMB 680, futhi iqashe abasebenzi abanekhono abangaba ngu-680. Umkhiqizi uzibophezele ekuhlinzekeni ngemikhiqizo ehlangabezana namazinga aqinile wekhwalithi, aqinisekise ukuthi amapayipi ayo e-ASTM A252 athembekile futhi aqinile ezinhlelweni ezahlukahlukene.
Ngokugxila ekusunguleni izinto ezintsha kanye nokwaneliseka kwamakhasimende, inkampani isibe umholi wemboni, ehlinzeka ngezixazululo zangokwezifiso ukuhlangabezana nezidingo eziyingqayizivele zamakhasimende ayo. Ngezindawo ezisezingeni eliphezulu kanye nabasebenzi abanolwazi, bayakwazi ukukhiqiza amapayipi afinyelele ezingeni eliphakeme kakhulu, okubenza babambisene abathembekile kumaphrojekthi wokwakha nobunjiniyela.
Ekuphetheni
Sengiphetha, amapayipi e-ASTM A252 ayingxenye ebalulekile yokwakha yesimanje, enikeza imininingwane ebalulekile ehlangabezana nezidingo zezinhlelo zokusebenza ezahlukahlukene. Ngomkhiqizi ohloniphekile e-Cangzhou okhiqiza la mapayipi, imboni ingathembela ezintweni ezisezingeni eliphezulu ukuze kuqinisekiswe ukuphepha nokuzinza kwesakhiwo. Kungakhathaliseki ukuthi isetshenziselwa ubunjiniyela besisekelo, izakhiwo zasolwandle noma izindonga zokugcina, amapayipi e-ASTM A252 ayisinqumo esibalulekile sonjiniyela nabakhi.
Isikhathi sokuthumela: Feb-11-2025