Official Answer
Answer
MP35N (Cobalt-Nickel-Chrome-Moly alloy) an zaɓi shi don mafi yawan wuraren da ke cikin teku saboda yana ba da haɗin kai mara misaltuwa na matsanancin ƙarfi (UTS har zuwa $ 2000 $ MPa) da juriya na musamman ga Haɗaɗɗen damuwa na Hydrogen (HISC) da Sulfide Stress Cracking (SSC). A gaban tsarin kariya na cathodic da $ H_2S $, daidaitattun bakin karfe kamar 17-4PH ko ma 316 na iya kasawa. MP35N's tsarin cubic mai-tsakiyar fuska yana da tsayi sosai. Hakanan yana da maɗaukaki na elasticity ($ E imes 233$ GPa), yana ba da izinin manyan 'ƙarfafa' rundunonin riƙon zobba waɗanda dole ne su yi tsayayya da matsananciyar matsin lamba da iskar gas 'mai tsami' mai lalata.
