Bututun ƙarfe mara ƙarfi don tukunyar jirgi nau'in bututun tukunyar jirgi ne kuma yana cikin nau'in bututun ƙarfe maras sumul.Hanyar masana'anta iri ɗaya ce da ta bututun ƙarfe maras kyau, amma akwai ƙaƙƙarfan buƙatu na nau'in ƙarfe da ake amfani da shi wajen kera bututun ƙarfe.Sau da yawa ana amfani da bututun ƙarfe maras ƙarfi don tukunyar jirgi a ƙarƙashin yanayin zafi da matsanancin yanayi.Karkashin aikin iskar gas mai zafi mai zafi da tururin ruwa, bututun za su yi oxidize da lalata.Ana buƙatar bututun ƙarfe don samun ƙarfi mai ɗorewa, babban juriya ga oxidation da lalata, da kwanciyar hankali mai kyau.An fi amfani da bututun ƙarfe marasa ƙarfi na tukunyar jirgi don yin manyan bututu masu matsa lamba, manyan bututun tururi, da sauransu.

Ƙananan da matsakaicin matsa lamba tukunyar jirgi bututuGB3087 datukunyar jirgi sumul tubesGB5310 ne high quality-kayan da ake amfani da su tsirar superheated tururi bututu, tafasasshen ruwa bututu ga low-matsa lamba tukunyar jirgi na daban-daban Tsarin, superheated tururi bututu for locomotive boilers, manyan hayaki bututu, kananan hayaki bututu da baka bututu bututu.Carbon tsarin karfe zafi-birgima da sanyi-ja (birgima) m karfe bututu.Tsarin bututu maras nauyi (GB/T8162)bututun ƙarfe ne maras sumul da ake amfani da shi don gine-gine na gabaɗaya da tsarin injina.Bututun tukunyar jirgi mai ƙarfi ASME SA-106 (GR.B, GR.C)kumaASTM A210Ana amfani da bututun tukunyar jirgi da hayaƙin tukunyar jirgi.Tubes, gami da aminci ƙarshen vault da strut tubes da ƙaramin bango kauri maras sumul matsakaicin carbon karfe bututu don superheater bututu,ASME SA-213, sumul ferritic da austenitic ga boilers, superheaters da zafi Exchangers Alloy karfe bututu,ASTM A335 P5, P9, P11, P12, P22, P9, P91, P92, ferritic gami sumul karfe bututu ga high zafin jiki.

Ƙayyadaddun ƙayyadaddun bayanai da ingancin bayyanar: GB5310-2017 "Bututun Karfe maras kyau don Boilers mai ƙarfi" Diamita na waje na bututu masu zafi shine 22 zuwa 530mm, kuma kauri daga bangon daga 20 zuwa 70mm.Diamita na waje na bututu masu sanyi (sanyi birgima) suna daga 10 zuwa 108mm, kaurin bangon yana daga 2.0 zuwa 13.0mm.

Bututu maras kyau don tukunyar jirgi suna ɗaukar matakan ƙarfe

(1) High quality-carbon tsarin karfe maki hada da 20G, 20MnG, da 25MnG.

(2) Alloy tsarin karfe maki maki15MoG, 20MoG, 12CrMoG,15CrMoG, 12Cr2MoG, 12CrMoVG, da dai sauransu.