ˌɛksˈɛs ɪz aɪdˈɛntɪkəl tʊ ˌɛssˌiːˈeɪtʃ ˈeɪɾi fɔːɹ ˌɛnpˌiːˈɛs wˈʌn slˈæʃ ˈeɪt tʊ ˌɛnpˌiːˈɛs ˈeɪt, ɪŋklˈuːsɪv, ænd ˈɪndᵻkˌeɪts .fˈaɪvhˈʌndɹɪd" wˈɔːl θˈɪknəs fɔːɹ ˌɛnpˌiːˈɛs ˈeɪt ænd lˈɑːɹdʒɚ.
XS is identical to SCH 80 for NPS 1/8 to NPS 8, inclusive, and indicates .500" wall thickness for NPS 8 and larger.