Ana yin bututun ƙarfe marasa gauraya da ƙarfe mai ƙarfe a matsayin kayan aiki kuma ana samar da su ta hanyar hanyoyin kamar birgima mai zafi, birgima mai sanyi ko zane mai sanyi. Idan aka kwatanta da bututun ƙarfe na carbon na yau da kullun, bututun ƙarfe marasa gauraya suna da kyawawan halaye na injiniya, juriya mai zafi, juriyar tsatsa da halaye na musamman na zahiri da sinadarai saboda ƙara abubuwan ƙarfe kamar chromium, molybdenum, nickel da vanadium. Ana amfani da su sosai a masana'antu kamar man fetur, injiniyan sinadarai, wutar lantarki, tukunyar ruwa, da masana'antar injina.
Babban yanayin aikace-aikace
1. Masana'antar mai
Bututun da ake amfani da su wajen fasa bututun mai: suna buƙatar juriyar zafi mai yawa, juriyar matsin lamba mai yawa da kuma halayen hana tsatsa
Bututun da za a yi amfani da su wajen yin takin zamani: Dole ne ya kasance mai jure wa tsatsa daga ammonia, urea, da sauransu.
Bututun kayan aikin Polyester: Yana buƙatar tsafta mai yawa da juriya ga tsatsauran sinadarai
2. Masana'antar Wutar Lantarki
Bututun da za a yi amfani da shi wajen dumama wutar lantarki: Bututun tukunyar mai ƙarfi, bututun zafi mai ƙarfi, da sauransu, dole ne su kasance masu juriya ga ɓullowar zafi mai yawa.
Bututun tashar samar da wutar lantarki ta nukiliya: Yana buƙatar halaye na musamman na juriya ga radiation
3. Masana'antar Inji
Bututun ginshiƙin na'ura mai aiki da karfin ruwa: Babban daidaito da buƙatun ƙarfi mai yawa
Bututun Bearing: Yana buƙatar juriya mai ƙarfi
Bututun shaft na watsawa na mota: Babban ƙarfi, babban tauri
4. Tashar Jiragen Sama
Bututun Injin: Bututun ƙarfe masu jure zafi mai yawa
Bututun tsarin hydraulic: Bukatun ƙarfi mai matuƙar girma
Ka'idojin kayan gama gari da buƙatunsu
1. Ka'idojin jerin ASTM
ASTM A335: Bututun ƙarfe marasa sumul don amfani da zafin jiki mai yawa, ƙarfe mai ƙarfe mai ferritic
Lambobin samfura: P5 Alloy Pipe, P9, P11, P22, P91, da sauransu.
Ƙarfin zafin jiki mai yawa, dukiyar antioxidant, aikin creep
Aikace-aikace: Tashar wutar lantarki, na'urorin fashewar man fetur
ASTM A213: Bututun ƙarfe mara sulɓi don tukunyar ruwa, masu dumama da masu musayar zafi
Nau'in kwalba: T5, T9, T11, T22, T91, da sauransu.
Ƙarfin juriya mai zafi da kuma dukiyar antioxidant
2. Jerin DIN/EN na yau da kullun
DIN 17175/EN 10216-2: Bututun Karfe Mara Sumul Don Amfani da Zafin Jiki Mai Tsanani
Maki: 13CrMo4-5, 10CrMo9-10, X10CrMoVNb9-1 (P91)
Ƙarfin zafin jiki mai zurfi da aikin walda
3. Tsarin Tsarin GB
GB 5310: Bututun Karfe Mara Sumul don Boilers Masu Matsi Mai Yawa
Maki:15CrMoG, 12Cr1MoVG, 10Cr9Mo1VNb, da sauransu.
Ƙarfin zafin jiki mai yawa, dukiyar antioxidant, aikin aiwatarwa
GB 9948: Bututun Karfe Mara Sumul Don Fasa Mai
Ma'auni: 12CrMo, 15CrMo, 1Cr5Mo, da sauransu.
Yana jure wa tsatsa mai yawan zafin jiki na sulfur da lalacewar hydrogen
Ƙarfin zafin jiki mai yawa, aikin walda
Abubuwan haɗin ƙarfe na yau da kullun da ayyukansu
Chromium (Cr): Yana ƙara juriya ga iskar shaka, juriya ga tsatsa, da kuma ƙara ƙarfin zafin jiki mai yawa
Molybdenum (Mo): Yana ƙara ƙarfin zafin jiki da juriya ga rarrafe
Nickel (Ni): Yana ƙara tauri, juriya ga tsatsa, kuma yana inganta aikin ƙarancin zafin jiki
Vanadium (V): Yana rage girman hatsi, yana ƙara ƙarfi da tauri
Niobium (Nb): Yana ƙara juriya ga ƙwanƙwasawa da kuma inganta halayen walda
Titanium (Ti): Carbides masu ƙarfi, suna ƙara juriya ga tsatsa tsakanin granular

Bututun ƙarfe marasa shinge na ƙarfe, a matsayin muhimmin abu a ɓangaren masana'antu, aikinsu da ingancinsu kai tsaye suna shafar aminci aiki da tsawon lokacin sabis na kayan aiki. Zaɓin ƙa'idodi da ƙayyadaddun bayanai daidai gwargwado, da kuma cikakken iko kan hanyoyin samarwa da duba inganci, muhimman garanti ne don tabbatar da ingantaccen aikin tsarin bututun.