Mun sanya hannu kan kwangila tare da wani abokin ciniki na Indiya a makon da ya gabata. Samfurin shine bututun ƙarfe maras sumulSaukewa: ASTM A335P11. Muna da ƙayyadaddun ƙira na samfuran gami, don haka za mu iya nemo samfuran ga abokan ciniki. Abokin ciniki ana amfani da wannan bututu don bututu mai ƙyalƙyali, bututu mai ƙyalƙyali azaman nau'in musayar zafi, aiki na dogon lokaci a cikin yanayin iskar gas mai zafi mai zafi, kamar tukunyar zafi mai zafi tare da bututu mai ƙyalƙyali ta amfani da mummunan yanayi, zafin jiki mai ƙarfi da matsa lamba kuma a cikin lalata. yanayi, wanda ke buƙatar finned tube ya kamata ya sami babban ma'aunin aiki. Kamar aikin Anti-lalacewa, Ayyukan Anti-wear, ƙaramin juriya na lamba, Ƙarfafa ƙarfi da ƙarfin lalata ash.

Muna kuma daASME A210(A210M) GRA1, GrC, tukunyar jirgi bututu da tukunyar jirgi flue bututu, gami da aminci karshen vault da strut bututu da karami bango kauri matsakaici carbon karfe bututu ga superheater bututu.

ASME A179, ASMEA192 da sauransu.