ˌɛstˌiːdˈiː ɪz aɪdˈɛntɪkəl tə skˈɛdʒuːl fˈoːɹɾi fɔːɹ ˌɛnpˌiːˈɛs wˈʌn slˈæʃ ˈeɪt tʊ ˌɛnpˌiːˈɛs tˈɛn, ɪŋklˈuːsɪv, ænd ˈɪndᵻkˌeɪts .θɹˈiːhˈʌndɹɪd sˈɛvənti fˈaɪv" wˈɔːl θˈɪknəs fɔːɹ ˌɛnpˌiːˈɛs twˈɛlv ænd lˈɑːɹdʒɚ.
STD is identical to Schedule 40 for NPS 1/8 to NPS 10, inclusive, and indicates .375" wall thickness for NPS 12 and larger.