I-SS 316 I-PIEMELL PIED ne-ASTM A312 i-IPP32 I-WELDED PIPE APPREATIR E-China
Amapayipi angama-304 enziwe ngensimbi engama-304 engagqwali, impahla ejwayelekile futhi ethandwayo kuzinhlelo eziningi zezimboni ezidinga ukumelana nokugqwala kanye noximation. Lawa mapayipi amapayipi e-S30400 ahlanganiswe asebenzisa imishini ekhethekile nezinqubo, eziqinisekisa ukuthi zinembe kakhulu futhi zithembekile.
I-SAE 304 Insimbi Engagqwali iyinsimbi evame kakhulu engenacala. Insimbi iqukethe zombili i-chromium (phakathi kuka-18% no-20%) kanye ne-nickel (phakathi kuka-8% kanye ne-10,5%) [1] izinsimbi njengezicini ezingezona zensimbi. Kuyinsimbi engelutho engagqwali. Akukancane ngogesi nakwesobunxele kunensimbi yekhabhoni. Kuyinto kazibuthe, kepha kazibuthe kakhulu kunensimbi. Inokumelana nokuqina okuphezulu kakhulu kunensimbi ejwayelekile futhi isetshenziswa kabanzi ngenxa yokukhululeka lapho kwakhiwa khona ngezimo ezahlukahlukene. [1]
Ezindaweni eziphansi noma ezilonakalisayo, ama-904l ama-bolts ensimbi engagqwali ayamelana nama-ejenti anciphise kakhulu. Izici ezingeziwe zama-904l zensimbi engenasici afaka ubulukhuni obuhle kakhulu, izakhiwo ezingezona ezibuthe, ukwakheka kanye nokushiswa. Ngasikhathi sinye, i-Din engenasici DIN 1.4539 Bolt iyinhlangano eyi-aunteny auntenitic alloy enokuqukethwe okuphansi kwekhabhoni, okumelana nokugqwala kwe-SCC kanye ne-crevice. Ukwakhiwa kwe-auntenitic futhi kunikeza ama-stainless wensimbi ama-no8904 ama-bolts wokuqina okude, ngisho nasemazingeni aphansi.