Ukuqonda i-ASTM A252 Pipe: Osayizi, Ikhwalithi, kanye Nezicelo
Ipayipi le-Astm A252iyisici esibalulekile ekusetshenzisweni kwesakhiwo kuzo zonke izimboni ezahlukahlukene, ikakhulukazi kumaphrojekthi okwakha kanye nengqalasizinda. Le bhulogi izogxila ngobukhulu, ikhwalithi, kanye nokusetshenziswa kwepayipi le-ASTM A252, igqamise amakhono omkhiqizi ohamba phambili oseCangzhou, eSifundazweni saseHebei.
Iyini ipayipi le-ASTM A252?
Usayizi Wepayipi le-Astm A252iyincazelo ethuthukiswe yi-American Society for Testing and Materials (ASTM) echaza izidingo zepayipi lensimbi elihlanganisiwe nelingenamthungo elisetshenziswa ekufakweni kwezintambo. Indinganiso igxile ekuqineni kwesakhiwo sepayipi nokuqina kwalo, okwenza lifanelekele izisekelo, amabhuloho, nezinye izinhlelo zokusebenza ezinzima.
Iyini ipayipi le-ASTM A252?
I-ASTM A252 iyincazelo enegunya eyaklanywa yi-American Society for Testing and Materials (ASTM), ikakhulukazi amapayipi ensimbi asetshenziswa ekushayeleni izinqwaba kanye nezinhlelo zokusekela isakhiwo esijulile. Leli zinga lichaza ngokuqinile ukwakheka kwamakhemikhali, izakhiwo zemishini, ukubekezelelana kobukhulu kanye nezindlela zokuhlola zamapayipi ensimbi, ukuqinisekisa ubuqotho bawo obuhle kakhulu besakhiwo, ukuqina kanye nomthamo wokuthwala umthwalo. Kuyisinqumo esifanele samaphrojekthi esisekelo afana namabhuloho, izakhiwo eziphakeme kanye namachweba.
Ubukhulu bepayipi le-Astm A252ubukhulu kanye nemininingwane
Amapayipi e-ASTM A252 ahlukaniswe ngamabanga amathathu ngokwezidingo zamandla: i-GR 1, i-GR 2, kanye ne-GR 3, phakathi kwawo ibanga le-GR 3 linamandla aphezulu kakhulu. Ububanzi bawo buyaguquguquka futhi bungahlangabezana nezidingo zobunjiniyela ezahlukahlukene.
Ububanzi bangaphandle (OD): Kusukela kumasentimitha angu-6 kuya kwangu-60, kanye nosayizi omkhulu nakakhulu kungakhiqizwa.
Ubukhulu bodonga (WT): Ngokuvamile buphakathi kwamasentimitha angu-0.188 namasentimitha angu-0.500, futhi bungalungiswa ngokuya ngezidingo zokumelana nokucindezela nokugoba.
Ubude: Ubude obujwayelekile bungamafidi angu-20 noma amamitha angu-40. Ukukhiqizwa okwenziwe ngokwezifiso nakho kusekelwa ngokwezidingo zephrojekthi.
Lolu hlobo olubanzi losayizi luqinisekisa ukuthi onjiniyela bangakhetha imininingwane engabizi kakhulu yamaphrojekthi athile.
Ipayipi le-ASTM A252 lisetshenziswa ezinhlotsheni ezahlukene zokusebenza, okuhlanganisa:
1. Ukufaka inqwaba: Lawa mapayipi avame ukusetshenziswa njengezinqwaba zomhlabathi kumaphrojekthi okwakha ukuze anikeze ukuqina nokusekela isakhiwo.
2. Amabhuloho: Amandla nokuqina kwepayipi le-ASTM A252 kwenza kube ukukhetha okuhle kakhulu kokwakhiwa kwebhuloho, lapho lingamelana khona nemithwalo esindayo kanye nezimo zemvelo.
3. Izakhiwo Zasolwandle: Ukumelana nokugqwala kwala mapayipi kuvumela ukuthi asetshenziswe ezindleleni zasolwandle ezifana namachweba kanye nezinsika.
4. Uwoyela negesi: Ngenxa yokwakhiwa kwayo okuqinile, ipayipi le-ASTM A252 lisetshenziswa futhi embonini kawoyela negesi ukuthutha uketshezi namagesi.
Ngokufigqiwe
Kalula nje, ipayipi le-ASTM A252 liyingxenye ebalulekile yezinhlelo zokusebenza eziningi zesakhiwo, liletha ukuthembeka namandla. Le fektri eCangzhou, eSifundazweni saseHebei, ingumkhiqizi ohamba phambili walolu hlobo lwepayipi, iqinisekisa ukuthi imikhiqizo yayo ihlangabezana nezindinganiso zekhwalithi ephezulu. Ngokuzibophezela ekwenzeni kahle kanye nokugxila ekusunguleni izinto ezintsha, inkampani iyaqhubeka nokudlala indima ebalulekile emkhakheni wokwakha kanye nengqalasizinda. Kungakhathaliseki ukuthi uhilelekile kuphrojekthi yokwakha enkulu noma udinga ikhambi elithembekile lamapayipi, ipayipi le-ASTM A252 liyisinqumo esihle kakhulu sezidingo zakho.
Isikhathi sokuthunyelwe: Septhemba-04-2025