Ehlabathini lokwenziwa kombhobho wensimbi, ukuqonda ukucaciswa kweshishini kunye nemigangatho kubalulekile ekuqinisekiseni umgangatho kunye nokusebenza. Omnye umgangatho onjalo yi-ASTM A139, echaza iimfuno zokudibanisa umbane (i-arc) umbhobho wentsimbi odityanisiweyo wenkonzo yoxinzelelo oluphezulu. Le bhlog iya kuntywila nzulu kwiinkcukacha eziphambili ze-ASTM A139 kwaye iphonononge ukusetyenziswa kwayo, ngokukodwa kumxholo we-S235 J0 umbhobho wensimbi ojikelezayo oveliswe ngumenzi ohamba phambili eCangzhou, kwiPhondo laseHebei.
Iimpawu eziphambili ze-ASTM A139
I-ASTM A139igubungela imiba emininzi ebalulekileyo yokwenziwa kwemibhobho yentsimbi, kubandakanywa ukubunjwa kwezinto, iipropati zoomatshini, kunye neendlela zovavanyo. Umgangatho ugxile kwezi nkcukacha zilandelayo:
1. Ukubunjwa kwezinto: I-ASTM A139 ichaza ukubunjwa kweekhemikhali zensimbi ezisetyenziselwa ukwenza imibhobho. Oku kubandakanya imida evumelekileyo yezinto ezifana nekhabhoni, i-manganese, i-phosphorus, kunye nesulfure ukuqinisekisa ukuba imibhobho inamandla ayimfuneko kunye nokuqina.
2. IiPropati zoomatshini: Lo mgangatho uchaza iimpawu zomatshini ezifunekayo, kubandakanywa ukomelela kwesivuno, ukomelela, kunye nobude. Ezi zakhiwo zibalulekile ukuqinisekisa ukuba umbhobho unokumelana nezicelo zoxinzelelo oluphezulu ngaphandle kokungaphumeleli.
3. Iimfuno ze-Welding: Ekubeni i-ASTM A139 ijongene nemibhobho ye-welding, iquka iinkcukacha zenkqubo ye-welding, kubandakanywa uhlobo lwe-weld, umgangatho we-weld, kunye neendlela zokuhlola ukuqinisekisa ukuba i-welds ihlangabezana nemigangatho efunekayo.
4. Iindlela zoVavanyo: Umgangatho ukwachaza iindlela zovavanyo ekufuneka zisetyenziswe ukuqinisekisa umgangatho kunye nokusebenza kombhobho. Oku kubandakanya iindlela zokuvavanya ezingonakalisi zokubona naziphi na iziphene kwi-welds okanye izixhobo zombhobho.
Ukusetyenziswa kwe-ASTM A139 yentsimbi yombhobho
Ukusetyenziswa kwemibhobho yensimbi ye-ASTM A139 ibanzi kwaye iyahluka, ngakumbi kumashishini afuna iinkqubo zemibhobho yoxinzelelo oluphezulu. Le mibhobho idla ngokusetyenziselwa:
- Ishishini leoli kunye neGesi: Imibhobho ye-ASTM A139 ilungele ukuthutha ioli kunye negesi kunye nokukwazi ukujamelana noxinzelelo oluphezulu kunye neemeko ezinzima zokusingqongileyo.
- IiNkqubo zoBonelelo lwaManzi: Ukuqina kunye nokomelela kwale mibhobho kubenza bafaneleke ukusetyenziswa kwiinkqubo zokubonelela ngamanzi kunye nokuhanjiswa kwamanzi, ukuqinisekisa ukuhamba kwamanzi okuthembekileyo.
- UkuCwangciswa kweMichiza: Kwizityalo zeekhemikhali, imibhobho ixhomekeke kwizinto ezitshabalalisayo kwaye iipayipi ze-ASTM A139 zibonelela ngokuchasana okuyimfuneko kunye nokuthembeka.
Izinto ezilungileyo ze-S235 J0umbhobho wentsimbi ejikelezayo
Enye yeemveliso ezibalaseleyo eziveliswe yinkampani yethu eCangzhou yi-S235 J0 spiral steel pipe. Le mveliso iphawuleka ngokukodwa ngenxa yokuguquguquka kwayo ububanzi kunye neenkcukacha zodonga. Ukuguquguquka kokwenziwa kwemveliso kuyenza ikwazi ukuvelisa imibhobho enodonga olungqingqwa yodidi oluphezulu ehlangabezana neemfuno ezahlukeneyo zamashishini ahlukeneyo.
Yasekwa ngo-1993, emva kweminyaka yophuhliso olukhawulezileyo, inkampani ngoku igubungela ummandla oziimitha ezizikweri ezingama-350,000, ineempahla ezipheleleyo ze-RMB 680 yezigidi, kwaye inabasebenzi abazinikeleyo abangama-680, abazibophelele ekuveliseni imibhobho yentsimbi ekumgangatho ophezulu ehlangabezana nemigangatho yamazwe ngamazwe efana ne-ASTM A139.
ukuququmbela
Ukuqonda i-ASTM A139 kunye neenkcukacha zayo ziyimfuneko kuye nabani na obandakanyekayo ekwenzeni umbhobho wentsimbi. Lo mgangatho awuqinisekisi kuphela umgangatho kunye nokusebenza kombhobho, kodwa uphinde uvule uluhlu olubanzi lwezicelo kwiindidi ezahlukeneyo zamashishini. Ngeemveliso ezifana ne-S235 J0 ipayipi yensimbi ejikelezayo, inkampani yethu iyaqhubeka nokukhokela indlela yokubonelela abathengi ngezisombululo eziguquguqukayo, ezikumgangatho ophezulu. Ingaba ukwishishini leoli kunye negesi, unikezelo lwamanzi okanye ukusetyenzwa kweekhemikhali, iipayipi zethu zetsimbi ziya kuhlangabezana neemfuno zakho kwaye zidlule ukulindela kwakho.
Ixesha lokuposa: Jan-15-2025