Eminyakeni yamuva nje, kube noshintsho olukhulu ekuqondeni kwemboni yensimbi ngama-alloy ensimbi yekhabhoni kanye nokumelana kwawo nokuqhekeka kokugqwala okucindezelekile. Lolu shintsho lubangele ukugxila okusha ekhwalithini nasezingeni lamapayipi ensimbi, ikakhulukazi lawo akhiqizwe ngokwezincazelo ze-ASTM (American Society for Testing and Materials). Ipayipi lensimbi yekhabhoni seliqashelwe isikhathi eside ngokuqina nokuthembeka kwalo, futhi isitifiketi salo sakamuva sekhwalithi samazwe ngamazwe siqinisa isikhundla salo njengesilinganiso semboni.
Ngokwesiko, ezinye izinhlobo ze-carbon steel ziye zabhekwa njengezimelana nokuqhekeka kokugqwala okucindezelekile, okwenza zibe ukukhetha okuthandwayo kwezinhlobo ezahlukene zezicelo zezimboni. Kodwa-ke, intuthuko yakamuva iphakamisa ukuthi ezinye zalezi zinhlobo ze-alloy zingase zibe sengozini yalolu hlobo lokugqwala. Lokhu kutholakale kwabangela ukukhathazeka embonini futhi kwagcizelela ukubaluleka kwezinyathelo eziqinile zokulawula ikhwalithi ekukhiqizweni kwamapayipi ensimbi.
Ukuphendula lezi zinkinga,Amapayipi ensimbi yekhabhoni e-ASTMabakhiqizi bathathe izinyathelo zokuqinisekisa ikhwalithi ephezulu kanye nezindinganiso zokusebenza. Lokhu kuzibophezela ekwenzeni kahle kufinyelela esiphethweni sekhwalithi yamazwe ngamazwe, okubonisa ukuthi ithubhu lensimbi lihlangabezana nezidingo eziqinile ezibekwe yizindinganiso zekhwalithi zomhlaba wonke. Le mpumelelo ayibonisi nje kuphela ukuzinikela kwabakhiqizi bamapayipi ensimbi ekugcineni amazinga ekhwalithi aphezulu, kodwa futhi imisa ipayipi lensimbi le-ASTM njengophawu lomkhakha lokuthembeka nokuqina.
Isitifiketi sekhwalithi yamazwe ngamazwe samapayipi ensimbi kaNks sibaluleke kakhulu ezimbonini ezahlukahlukene ezithembele kumapayipi ensimbi asezingeni eliphezulu, okuhlanganisa ukwakhiwa, ukuthuthukiswa kwengqalasizinda kanye nokukhiqizwa kwezimboni. Ngokuhlangabezana nokweqa amazinga ekhwalithi yamazwe ngamazwe, ipayipi lensimbi le-ASTM linikeza onjiniyela, osonkontileka kanye nabaphathi bephrojekthi isiqinisekiso sokuthi izinhlelo zabo zokusebenza zisekelwa izinto eziqinile nezithembekile.
Ngaphezu kwalokho, ukutholwa kwesitifiketi sekhwalithi yamazwe ngamazwe kuphakamise isimo samapayipi ensimbi e-ASTM saba yizilinganiso zemboni. Njengesilinganiso, ipayipi lensimbi le-ASTM libeka indinganiso yobuhle abanye abakhiqizi okufanele bayilandele, okuqhuba ukuthuthukiswa okuphelele kwekhwalithi nokusebenza kwamapayipi ensimbi kulo lonke imboni. Lokhu akugcini nje ngokuvumela abasebenzisi bokugcina ukukhetha ngokuzethemba.Amapayipi ensimbi ahlanganisiwengamaphrojekthi abo, kodwa futhi kukhuthaza ukuncintisana okunempilo kanye nokusungula izinto ezintsha embonini yokukhiqiza insimbi.
Uhambo lwepayipi lensimbi le-ASTM lokuthola isitifiketi sekhwalithi yamazwe ngamazwe luwubufakazi bokuzibophezela kwemboni ekuthuthukisweni okuqhubekayo kanye nokunamathela ezindinganisweni zekhwalithi ephezulu. Luqokomisa ukubaluleka kokuhambisana nentuthuko yezobuchwepheshe kanye nokuthuthukisa njalo ukuqonda izakhiwo zezinto ezibonakalayo ukuqinisekisa ukuthi ipayipi lensimbi lihlala lihamba phambili ekuthembekeni nasekusebenzeni.
Ngokufigqiwe,ipayipi eliyindilinga lensimbi'sUkuthola isitifiketi sekhwalithi yamazwe ngamazwe kuphawula ingqophamlando ebalulekile embonini yensimbi. Akuxazululi nje kuphela izinselelo eziguqukayo ezihambisana nokuqhekeka kokugqwala kokucindezeleka kodwa futhi kwenza ipayipi lensimbi eliyindilinga
izinga lomkhiqizo wekhwalithi nokuthembeka. Njengoba isidingo samapayipi ensimbi aqinile futhi asebenza kahle siqhubeka nokukhula, isitifiketi sekhwalithi samazwe ngamazwe se-ASTM Steel Pipe siqinisa isikhundla sayo njengokhetho oluthembekile noluqalayo lwezinhlelo zokusebenza ezahlukahlukene.
IQEMBU LASEBUKHOSINI
Ikheli
Indawo yezimboni zokuthuthukiswa kweKangsheng,
Isifunda saseWuqing, idolobha laseTianjin, eChina.
I-imeyili
Amahora
UMsombuluko-NgeSonto: Isevisi yamahora angu-24
Isikhathi sokuthunyelwe: Julayi-24-2024