ASTM A333/ A333M - 16 Madaidaicin Ƙimar Ƙarfe don Bututun Karfe mara sumul da Welded don Sabis na Ƙarƙashin Zazzabi da Sauran Aikace-aikace tare da Ƙarfin Daraja da ake Bukata.

ASTM A333 yana rufe bango mara kyau da waldadden carbon da bututun ƙarfe da aka yi niyya don amfani a ƙananan yanayin zafi.Za a yi bututun ta hanyar mara ƙarfi ko waldawa tare da ƙari na babu ƙarfe mai cikawa a cikin aikin walda.Dukkanin bututun da ba su da ƙarfi da walƙaƙƙiya za a kula da su don sarrafa ƙananan tsarin su.

Kayayyakin Injini: Mataki na 1 Darasi na 6
Ƙarfin Ƙarfin Ƙarfi, min, psi (MPa) 55,000 (380) 60,000 (415)
Ƙarfin Haɓaka, min, psi (MPa) 30,000 (205) 35,000 (240)

Gwajin Tasirin CVN (Charpy):
Mafi qarancin Tasirin Zazzabi
Darasi na 1 -50 (F) -45 (C)
Darasi na 6 -50 (F) -45 (C)