Bututun karfen man fetur wani nau'in karfe ne mai tsayi tare da sashin rami kuma babu haɗin gwiwa a kusa da shi, yayin da bututun fasa bututun wani nau'in sashin tattalin arziki ne na ƙarfe.Role: ana amfani da shi sosai wajen kera sassan sassa na tsari da na inji, kamar bututun mai, tukin mota. shaft, bike frame da karfe scaffolding amfani a yi, da dai sauransu Yin amfani da man fetur fatattaka tube don kera zobe sassa na iya inganta kayan amfani kudi, sauƙaƙa masana'antu tsari, ajiye abu da kuma aiki lokaci, kamar mirgina hali zobe, jack hannun riga, da dai sauransu, yana da. An yi amfani da shi sosai wajen kera bututun ƙarfe. Man fetir ko kuma nau'ikan makamai na al'ada da ba makawa, ganga, ganga da sauransu zuwa bututun fasa man fetur don kera. Siffar yanki mai tsatsauran ra'ayi.Tunda yankin bututun mai ya fi girma tare da kewaye iri ɗaya, ana iya ɗaukar ƙarin ruwa tare da bututun madauwari.

API 5CT ya kasu kashi K55, N80, L80, P110 da sauran matakan karfe.

Tubing J55 (37Mn5)

Casing J55 (37Mn5)

Bututun haɗin gwiwa J55 (37Mn5)

Bututun karfen mai (GB/T9948-88) bututun karfe ne maras sumul wanda ya dace da bututun tanderu, musayar zafi da bututun mai a matatar mai.

Ana amfani da bututun ƙarfe don hako ƙasa (YB235-70) don hakowa ta hanyar sashin ƙasa, wanda za'a iya raba shi zuwa bututun rawar soja, bututun rawar soja, bututu mai tushe, bututun casing da bututun hazo gwargwadon amfaninsa.

Daidaitaccen aiwatar da bututun ƙarfe mara ƙarfi

2. Ƙarfe bututun ƙarfe na ƙasa don isar da ruwa: GB8163-99;3. Bututun ƙarfe mara nauyi don tukunyar jirgi: GB3087-1999;4.

5, taki kayan aiki ga high matsa lamba sumul karfe bututu: GB/T6479-1999 6, geological hakowa ga sumul karfe bututu: YB235-70 7, mai hakowa ga sumul karfe bututu: YB528-65 8, mai fatattaka sumul karfe bututu: GB9948- 88

Sumul karfe bututu don mota rabin shaft: GB3088-1999 11. Sumul karfe bututu don jirgin ruwa: GB5312-1999 12. Cold kõma sanyi birgima daidaici m karfe bututu: GB/T3639-1999

13, kowane irin sumul karfe bututu 16Mn, 27SiMn,15CrMo, 35CrMo, 12CrMov, 20G, 40Cr,12Cr1MoV,15CrMo

Bugu da kari, Akwai kuma GB / T17396-1998 (zafi-birgima sumul karfe tube for na'ura mai aiki da karfin ruwa prop), GB3093-1986 (high-matsi sumul karfe tube ga dizal engine), GB / T3639-1983 (sanyi-jawo ko sanyi- birgima daidaici sumul karfe tube), GB / T3094-1986 (sanyi-jawo sumul karfe tube na musamman-dimbin yawa karfe tube), GB / T8713-1988 (Madaidaicin ciki diamita sumul karfe shambura ga na'ura mai aiki da karfin ruwa da kuma pneumatic cylinders), GB13296-1991 (m bakin karfe bututu don tukunyar jirgi da masu musayar zafi), GB / T14975-1994 (bututun bakin karfe don tsari), GB / T14976-1994 (bututun bakin karfe don jigilar ruwa) GB / T5035-1993 (mota) bushing bushing), API SPEC5CT-1999 (bayani don casing da tubing), da dai sauransu.