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Boiler Tube A179 A192
ASTM A179——–Tsela e Tloaelehileng ea Mokhatlo oa Amerika bakeng sa Liteko & Lisebelisoa
e sebelisoa bakeng sa mochini o futhumatsang mocheso, condenser le lisebelisoa tse tšoanang tse fetisang mocheso;Mophato o ka Sehloohong:A179
ASTM A192——-Standard of American Society for Testing & Materials e sebediswa bakeng sa kgatello e phahameng min
