I iunite gaosiga petrochemical, e masani ona faʻaaogaina le uʻamea chromium molybdenum ma le uʻamea chromium molybdenum vanadium.

Paipa U'amea Seamless GB9948 mo le ta'e o le penisini

GB6479 “Paipa U'amea e Le Mafai Ona Fa'aogaina mo Meafaigaluega Fa'apalaga”

GB/T5310"Paipa u'amea e leai se so'oga mo le paila e maualuga le mamafa"

GB9948o lo'o i ai le vasega o mea u'amea chromium molybdenum: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo ma isi mea fa'apena.

GB6479o lo'o i ai le u'amea chromium molybdenum ituaiga o mea: 12CrMo, 15CrMo, 1Cr5Mo, ma isi.

O lo'o iai i le GB/T5310 le u'amea chromium molybdenum ma le u'amea chromium molybdenum-vanadium o le vasega: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, ma isi.

Paipa U'amea Carbon Seamless mo le Vevela Maualuga

Paipa U'amea Fa'a'au'au Ferritic ma Austenitic mo Boilers, superheaters ma heat exchangers

ASTM A333 — Paipa U'amea Fa'apitoa e Le'i Fa'asu'i ma Fa'apipi'iina mo le Fa'aaogaina i le Cryogenic

ASTM A335– Paipa Fa'apitoa u'amea ferritic alloy e leai se fa'aogaina mo le fa'aaogaina i le vevela maualuga

En 10216-2 — Paipa u'amea e le o ni u'amea fa'a'au'au ma paipa u'amea fa'a'au'au ma meatotino fa'apitoa mo le vevela maualuga

Vasega o meafaitino u'amea o lo'o aofia i le ASTM A106: Gr.B, Gr.C

ASTM A213e aofia ai vasega o u'amea: T11,T12,T22,T23,T91

O le ASTM A333 / A335M o lo'o i ai le fa'ailoga o mea u'amea: P11, P12, P22, P5, P9, P91, P92