ðɪ ɪnsˈaɪd daɪˈæmɪɾɚz ˌʌndɚɹ ˌaɪpˌiːˈɛs wɜː ɹˈʌfli ðə sˈeɪm æz ðə mˈoːɹ mˈɑːdɚn dˈʌktəl ˈaɪɚn pˈaɪp stˈændɚd dˈɪps ænd nˈɑːmɪnəl pˈaɪp sˈaɪz ˌɛnpˌiːˈɛs stˈændɚdz, ænd sˌʌm ʌvðə wˈɔːl θˈɪknəsᵻz wɜːɹ ˈɔːlsoʊ ɹᵻtˈeɪnd wɪð ɐ dˈɪfɹənt dˈɛzɪɡnˌeɪɾɚ.
The inside diameters under IPS were roughly the same as the more modern Ductile Iron Pipe Standard (DIPS) and Nominal Pipe Size (NPS) Standards, and some of the wall thicknesses were also retained with a different designator.