Fa'amatalaga, Tulaga Fa'atonuina ma Vasega o Paipa U'amea e Le'i Fa'afefiloi.

O paipa uʻamea e leai ni soʻoga e faʻaaogaina lautele i pisinisi eseese mo le felauaiga o vai ma kesi, faʻapea foʻi ma faʻaoga fausaga. E gaosia e aunoa ma ni uelo poʻo ni soʻoga, lea e faʻamalosia ai ma faʻatuatuaina. O faʻamatalaga, tulaga faʻatonuina, ma vasega mopaipa u'amea e leai ni so'ogae mafai ona fesuisuia'i e fuafua i mana'oga fa'apitoa o le fa'aoga. O nisi nei o fa'amatalaga e masani ona fa'aaogaina, tulaga fa'atonuina, ma vasega mo paipa u'amea e leai ni so'oga:

Fa'amatalaga:ASTM A106-Fa'amatalaga Fa'atulagaina mo Paipa U'amea Carbon Seamless mo Auaunaga Vevela Maualuga

1. O lenei fa'amatalaga e aofia ai paipa u'amea kaponi e leai ni so'oga mo fa'aoga i le vevela maualuga. E aofia ai vasega eseese e pei o le A, B, ma le C.

Fa'amatalaga:ASTM A53-Fa'amatalaga Fa'atulagaina mo Paipa, U'amea, Uliuli ma Vevela-Fu, Ufiufi-Sink, Fa'apipi'i ma Seamless

1. O lenei fa'amatalaga e aofia ai paipa u'amea uliuli e leai ni so'oga ma ua fa'apipi'iina i le u'amea vevela. E aofia ai vaega eseese e pei o le A, B, ma le C.

Fa'amatalaga:API 5L- Fa'amatalaga mo le Paipa Laina

1. O lenei faʻamatalaga e aofia ai paipa uʻamea e leai ni soʻoga ma paipa uʻamea ua faʻapipiʻiina mo faʻaoga eseese. E aofia ai vasega eseese e pei oAPI 5L Vasega B, X42, X52, X60, X65, ma isi.

fa'amatalaga:ASTM A252-fa'amaoti mai mana'oga mo pou paipa u'amea ua ueloina ma ua leai ni so'oga mo le fa'aaogaina i galuega faufale ma fausaga.

1. O le fa'amatalaga a le ASTM A252 e aofia ai vasega e tolu o paipa u'amea: Vasega 1, Vasega 2, ma le Vasega 3. O vasega ta'itasi e iai meatotino fa'ainisinia eseese, e aofia ai le malosi maualalo o le gaua'i ma le malosi maualalo o le toso, e fa'afetaui ai mana'oga fa'apitoa o le galuega.