Daidaitawa | Maki | Class |
API | API 5L | Bututun layi don tsarin sufuri na bututu |
API 5CT | Tubing da kwandon rijiyoyi |
API5DP | Shuka bututu don hako rijiyoyin |
ASTM | ASTM A53 | Ana amfani da shi azaman ƙarfe na tsari ko don ƙarancin matsi |
ASTM A106 | sumul carbon karfe bututu don high-zazzabi sabis |
ASTM A335 | don bututun ƙarfe-karfe maras sumul don sabis na zafi mai zafi |
ASTM A213 | don ferritic maras sumul da austenitic alloy-karfe tukunyar jirgi, superheater, da bututun musayar zafi |
ASTM A179 | domin sanyi-jawo low-carbon karfe zafi-exchanges da condenser bututu |
ASTM A192 | don bututun tukunyar jirgi na carbon karfe maras kyau don sabis na matsin lamba |
ASTM A210 | don matsakaita-carbon karfe tukunyar jirgi da superheater tubes |
ASTM A333 | don bututun ƙarfe mara nauyi don sabis na ƙarancin zafin jiki da sauran aikace-aikace tare da taurin daraja da ake buƙata |
ASTM A519 | ga carbon maras kyau da gami karfe inji tubing |
ASTM A252 | ga tulin bututun karfe maras sumul da waldadi |
DIN | Farashin 17175 | domin zafi resistant karfe bututu Lines |
DIN 1629 | don bututun madauwari marasa ƙarfi na ƙarfe mara nauyi tare da buƙatun inganci na musamman |
DIN 2391 | ga sanyi zana ko sanyi birgima madaidaicin bututun ƙarfe maras sumul |
JIS | Saukewa: G3454 | m carbon karfe bututu don matsa lamba sabis |
Saukewa: G3456 | sumul carbon karfe bututu don high zafin jiki sabis |
Saukewa: G3461 | sumul carbon karfe bututu ga tukunyar jirgi da zafi Exchanger |
EN | EN 10210 | don zafi ƙãre m tsarin m sassa na non gami karfe |
EN 10216 | bututun ƙarfe mara nauyi don dalilai na matsa lamba |
BS | Farashin BS3059 | don carbonalloy da austenitic bakin karfe shambura tare da ƙayyadadden kaddarorin zafin jiki |