I-Inxotemensi 625 2.4856 Amapayipi nemidwebo ye-Spool iqukethe isixazululo esiqinile se-nickel
I-Alloy 718 iyi-alloy esekelwe ekuvukeni kwe-nickel esuselwa ku-nickel eyenzelwe ukukhombisa isivuno esiphakeme kakhulu, ama-tensile kanye nezakhiwo zokuqhekeka ezinamazinga okushisa aze afike ku-1300 ° F.
Lapho leli zinga livezwa kubahlanganyeli, izinto ezifana ne-CO2 (Carbon Dioxide) nama-H2S (i-hydrogen sulfide) hlanganisa namanzi ukukhiqiza izinto ezifana ne-carbonic acid noma isibabule. Lezi zinto ezidalwe ngokukhululekile zibekwe ezindongeni noma ezindongeni zemishini, ezingadala ukuqhekeka kwengcindezi. Kepha ngemuva kwakho konke, ayikho imiphumela yalezi zinto, ngakho-ke ama-N07778 Bolts alungele ukucubungula igesi yemvelo kanye ne-Wellhead. Okwamanje, esinye sezici ezichazayo zokwakheka kwe-B637 EXS N07718 ukufakwa kwe-niobium ukuvumela ukuqina kweminyaka, okukhulisa ukufudumala nokuphola ngaphandle kokushisa ngesikhathi sokushisa.