Vasega ma Fa'asu'esu'ega (％)
| Vasega | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
| T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 |
| T13 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
Meatotino Fa'ainisinia(MPa):
| Vasega | Mata'ele'ele | Totogi Fa'atosina |
| T11 | ≥415 | ≥205 |
| T12 | ≥415 | ≥220 |
| T13 | ≥415 | ≥205 |
Su'esu'ega i fafo
Su'esu'ega Mafiafia o Pa
Fa'ai'u Su'esu'ega
Su'esu'ega Sa'o
Su'ega a le UT
Su'ega o Fa'aaliga
ASTM A213 fa'apipi'i u'amea u'amea fa'agogo e gaosia a le malulu-toso po'o vevela ta'avale, e pei ona fa'amaonia.Vasega TP347HFG e tatau ona mae'a malulu.O togafitiga vevela e tatau ona faia eseese ma faʻaopoopo i le faʻamafanafanaina mo le vevela.O le u'amea ferritic ma u'amea u'amea ferritic e tatau ona toe fa'amafanafana.I le isi itu, e tatau ona tu'uina atu paipa u'amea austenitic i le tulaga vevela.I le isi itu, i le taimi lava e maeʻa ai le vevela, aʻo le vevela o paipa e le itiiti ifo nai lo le vevela vaifofo aupito maualalo, e mafai ona tineia taʻitoʻatasi paipa i le vai pe faʻafefe vave i isi auala.
JIS G3441Alloy Seamless Steel tubes
ASTM A519 Alloy paipa u'amea seamless
ASTM A335 Alloy paipa u'amea lamolemole
