ASTM A179, A192, A210 ƙayyadaddun ƙayyadaddun ƙayyadaddun bututun ƙarfe na Carbon Karfe don sabis na zafin jiki. Ana amfani da waɗannan bututun masu musanya zafi, na'urori masu ɗaukar zafi, Abubuwan Zazzabi masu ƙarfi yakamata su ba da ƙayyadaddun A 530.

GB5310-2008 yana dacewa da bututu marasa ƙarfi don yin tukunyar tukunyar tururi wanda matsin lamba ya yi girma ko sama da bututun da ba su da kyau da ake amfani da su azaman bututun mai.

ASTM A179/A179M – 90a Daidaitaccen Ƙimar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Mai Canjawa da Bututun Condenser.

ASTM A192/A192M Standard Specific don Bututun Tumbun Karfe na Karfe don Sabis na Matsi.

ASTM A210/ASME SA210 Matsakaicin Matsakaicin Matsakaici-Carbon Karfe Boiler da Super-Heater Tubes.