GB / T 222-2025 "Steel and Alloys - Fa'atagaina Deviations in Chemical Composition of Finished Products" o le a amata faamamaluina ia Tesema 1, 2025, sui tulaga muamua GB / T 222-2006 ma GB / T 25829-2010.
Anotusi Autu o le Tulaga Fa'atonu
1. Aofa'iga: Ufiufi le fa'atagaina o suiga i vaila'au fa'atosina mo oloa fa'auma (e aofia ai pili) o u'amea e le fa'aogaina, u'amea maualalo, u'amea u'amea,apa siliva, u'amea fa'afefe vevela, u'amea fa'a'ele'ele fa'a'ele'ele, ma u'amea maualuga.
2. Suiga Fa'ainisinia Tele:
Fa'aopoopoina le fa'avasegaina o fa'agasologa o le sulfur fa'atagaina mo u'amea e le fa'atasi ma u'amea maualalo.
Fa'aopoopoina le fa'avasegaina o mea fa'atagaina mo le sulfur, alumini, nitrogen, ma le calcium i u'amea u'amea.
Fa'aopoopo mea fa'ataga fa'atagaina mo vaila'au tu'ufa'atasi i u'amea fa'a'ele'ele fa'amea ma u'amea maualuga-vevela.
3. Fa'asologa o Fa'atinoga
Aso Fa'asalalau: Aokuso 29, 2025
Aso Fa'atino: Tesema 1, 2025
Taimi meli: Nov-07-2025
