Petroleum paipa fausaga o paipa

Vaʻaiga lautele o petroleum paipa o loʻo faʻapipiʻiina paipa

ASME SA106, Asme Sa179, Asme Sa192, Amme Sa210, Amme Sa213, ASMS Sa335, ma isi

Vasega o Proleam Paipa Pisipe Paipa

API 5L PSL1, PSL2

API 5L GR.B X42 X52 X60 X65 x70 matc

API 5ct-2018 CINL MA LE TUPU

API 5ct J55, K55, N80, N80Q, ma isi