e mafai ona vaevaeina paipa uamea seamless i ASTM American tulaga masani paipa uamea, DIN Siamani tulaga masani paipa uamea, JIS Iapani masani paipa uamea, GB atunuu paipa uamea, API paipa uamea ma isi ituaiga e tusa ai ma o latou tulaga faatonuina. ASTM American standard seamless paipa uʻamea o loʻo i E masani faʻavaomalo ma e tele ituaiga ma lala.
Ole taimi nei ole fa'atatauga ole paipa u'amea ole ASTM ASTM stm a210/a210m/astm sa210/sa-210s o lo'o lisiina atu i lalo:ASTM A210/A210M/ASME SA-210/SA-210M Fa'amoemoega: talafeagai mo paipa fa'avela ma fa'aula paipa paipa, e aofia ai pito saogalemu, vaults ma paipa lagolago, ma le mafiafia aupito maualalo seamless medium carbon paipa u'amea mo paipa vevela. Fa'atosina maua togi paipa u'amea: A-1, C, ma isi. A maeʻa feutagaiga, e mafai foi ona tuʻuina atu isi togi o paipa uʻamea.
Fa'agasologa o le gaosiga o paipa u'amea lelei:
Ua vaevaeina paipa u'amea fa'afefete i paipa u'amea fa'afefete fa'afefete, fa'afefeteina paipa u'amea malulu, ma isi e tusa ai ma a latou gaosiga. O le lautele o paipa uʻamea seamless e masani lava 406mm-1800mm, ma le mafiafia puipui e 20mm-220mm. E tusa ai ma a latou faʻaoga, e mafai ona vaevaeina ipaipa u'amea lamolemole mo fausaga, paipa u'amea lamolemole mo vai, paipa u'amea lamolemole mo boilers, mapaipa u'amea lamolemole mo paipa suauu.