Letlapa la tšepe la ASTM A285 ASTM A283
Tlhaloso e Khutšoanyane:
ASTM A285 ke mofuta oa tšepe e tloaelehileng ea k'habone e etselitsoeng lisebelisoa tsa sejana sa fusion-welded joalo ka boiler, tanka ea polokelo, mochini o futhumatsang mocheso, joalo-joalo Ka limaraka tse 3 tsa tšepe (Kereiti ea A, Kereiti ea B, Kereiti ea C) e koahelang matla a tsoang ho 310-515Mpa. , hangata poleiti ea tšepe ea ASTM A285 e tlisoa joalo ka boemo bo phuthoang.e entsoeng ka mekhoa ea tšepe e bolailoeng, e bolailoeng, e kentsoeng kapa e nang le rimmed ho latela tlhoko ea basebelisi ba ho qetela.