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sandar sanda
Ƙarshen ƙare biyu yawanci ana ƙirƙira su ne daga nau'ikan kayan inganci iri-iri, waɗanda aka zaɓa bisa ga buƙatun aikace-aikacen don ƙarfi, dorewa, da juriya na lalata. Carbon karfe yana daya daga cikin kayan da aka fi amfani dashi, musamman a maki kamar 4.8, 8.8, da 10.9.
Bayani
alama
Kayan Samfur
An ƙirƙiri ingarori biyu na ƙarshe daga nau'ikan kayan inganci iri-iri, waɗanda aka zaɓa dangane da buƙatun aikace-aikacen don ƙarfi, dorewa, da juriya na lalata. Carbon karfe yana daya daga cikin kayan da aka fi amfani dashi, musamman a maki kamar 4.8, 8.8, da 10.9. Ƙananan - 4.8 carbon karfe yana ba da ƙarfi na asali kuma ya dace da aikace-aikacen aikace-aikacen gabaɗaya inda buƙatun kaya ke da matsakaici. Ƙarfe na carbon mafi girma, kamar 8.8 da 10.9, na iya zama zafi - ana bi da su don haɓaka ƙarfin ƙarfi, taurinsu, da taurinsu. Wannan yana ba su damar jure kaya masu nauyi da ƙarin matsalolin injiniyoyi masu buƙata, yana mai da su manufa don ayyukan masana'antu da gine-gine inda ɗauri mai ƙarfi ke da mahimmanci. Don kare sandunan ƙarfe na carbon daga lalata, ana amfani da jiyya na sama kamar su zinc plating, baƙar fata oxide, ko mai zafi - tsoma galvanizing.
Bakin karfe wani abu ne mai mahimmanci, musamman maki 304 da 316. 304 bakin karfe yana ba da kyakkyawan juriya na gama-gari, yana sa ya dace da aikace-aikacen gida da yawa na waje tare da matsakaicin yanayin muhalli. 316 bakin karfe, tare da mafi girman abun ciki na molybdenum, yana ba da juriya mai ƙarfi ga ƙananan sinadarai, ruwan gishiri, da matsanancin yanayi. Sakamakon haka, shine zaɓin da aka fi so don masana'antar sarrafa ruwa, sinadarai, da abinci, da kuma ayyukan waje a yankunan bakin teku ko yanayin zafi mai zafi.
A wasu na musamman aikace-aikace, gami karfe ana amfani. Karfe, wanda ya ƙunshi abubuwa kamar chromium, molybdenum, vanadium, da nickel, na iya zama zafi - ana bi da su don cimma kyawawan kaddarorin inji. Ana amfani da ingantattun ingantattun ƙwanƙwasa ƙarfe a aikace-aikacen damuwa, kamar a cikin injunan motoci, abubuwan haɗin sararin samaniya, da injina masu nauyi, inda duka ƙarfi da juriya na gajiya suke da mahimmanci.
Samfuran Samfura
Layin samfur na intunan ƙare biyu ya haɗa da nau'ikan nau'ikan nau'ikan da aka rarraba ta girman, tsayi, nau'in zaren, ƙimar kayan aiki, da jiyya ta ƙarshe:
Matsayin Ƙarshen Ƙarshen Biyu: Ana samun madaidaitan ingarma a cikin kewayon awo da girman sarki. Girman awo yawanci kewayo daga M6 zuwa M36, yayin da girman daular ke rufe daga 1/4" zuwa 1 - 1/2". Waɗannan ingarma sun ƙunshi farar zare na yau da kullun kuma sun dace da ɗawainiyar ɗaurewa gabaɗaya a cikin haɗar injina, shigar da kayan aiki, da ginin tsari. Madaidaitan ingarma yawanci suna da zaren a kan iyakar biyu daidai tsayin tsayi, suna ba da mafita mai mahimmanci kuma abin dogaro.
Maɗaukaki - Ƙarfafa Ƙarshen Ƙarshe Biyu: Injiniya don nauyi - aikace-aikace na aiki, high - ƙarfi studs aka yi daga mafi girma - sa kayan, sau da yawa gami karfe ko high - ƙarfi carbon karfe tare da maki kamar 12.9. Waɗannan sandunan suna da manyan diamita da tsayin tsayi don ɗaukar mahimman ƙarfi da ƙarfi. Suna da makawa a cikin saitunan masana'antu don tabbatar da injuna masu nauyi, manyan kayan haɗin ginin sikelin, da kayan aikin da ke aiki ƙarƙashin manyan lodi da girgizar ƙasa. Ƙarfi mai ƙarfi yana iya samun ƙirar zare na musamman ko jiyya na saman don haɓaka aikinsu.
Musamman - Fasalar Ƙarshen Ƙarshen Biyu:
Fine - Zaren Ƙarshen Ƙarshen Biyu: Tare da ƙaramin firam ɗin zaren idan aka kwatanta da daidaitattun ingarma, ƙirar zare masu kyau suna ba da ƙarin daidaiton daidaitawa da haɓaka juriya ga sassautawa. Ana amfani da su da yawa a aikace-aikacen da ke buƙatar daidaitawa, kamar a cikin injunan madaidaicin, kayan aikin gani, da maɗaukakin haɗaɗɗun kayan lantarki, inda mafi amintacce kuma ingantaccen ɗaure ya zama dole.
Rashin Daidaituwa - Tsawon Tsawon Ƙarshen Ƙarshen Biyu: Waɗannan sanduna suna da zaren tsayi daban-daban a kowane ƙarshen. Wannan zane yana da amfani a aikace-aikace inda ake buƙatar ƙara ɗaya a cikin zurfi a cikin rami mai ƙarfi don ingantaccen haɗi, yayin da ɗayan ƙarshen kuma ana amfani da shi don haɗa goro ko mai wanki. Yawancin tsayin da ba daidai ba ana aiki da su a cikin hadaddun yanayin haɗuwa inda akwai takurawar sarari ko takamaiman buƙatun ɗaurewa.
Anti-Lalata Ƙarshen Ƙarshen Biyu: Bugu da ƙari, ana yin su daga lalata - kayan da ba su da ƙarfi kamar bakin karfe, waɗannan ingarma na iya samun ƙarin maganin lalata, irin su Dacromet ko Geomet. An ƙera su musamman don amfani da su a cikin wurare masu tsauri, kamar yankunan bakin teku, yankunan masana'antu tare da ƙazanta mai yawa, ko aikace-aikacen waje da aka fallasa ga danshi da sinadarai, yana tabbatar da dogaro na dogon lokaci da dorewa.
Tsarin Masana'antu
Samar da ingarma biyu ta ƙunshi ingantattun matakai da ingantattun matakan sarrafawa:
Shirye-shiryen Kayayyaki: Maɗaukaki masu inganci, kamar sandunan ƙarfe ko sanduna, an samo su a hankali. Ana duba kayan don haɗakar sinadarai, kaddarorin injina, da ingancin saman don tabbatar da bin ka'idodin samarwa. Ana yanke kayan ƙarfe zuwa tsayin da suka dace bisa ga buƙatun girman ingarma.
Zare: Threading mataki ne mai mahimmanci a masana'antar ingarma. Ana amfani da injunan zare na musamman da ke mutuwa ko na'ura don ƙirƙirar zaren a ƙarshen tudu. Mirgina zaren shine hanyar da aka fi so yayin da yake haifar da zaren da ya fi ƙarfin sanyi - yin aiki da ƙarfe, haɓaka juriya na gajiyar ingarma. Tsarin zaren yana buƙatar kulawa da hankali don tabbatar da daidaiton farar zaren, bayanin martabar zaren, da dacewa tare da madaidaitan ƙwaya ko ramukan da aka taɓa. Don ingarma tare da takamaiman buƙatun zaren, kamar lallausan zare ko nau'ikan zaren na musamman, ana iya haɗa ƙarin mashin ɗin daidaitattun abubuwa.
Maganin zafi (don kayan ƙarfin ƙarfi): Studs sanya daga high - ƙarfi kayan kamar gami karfe ko high - sa carbon karfe iya sha zafi - magani tafiyar matakai ciki har da annealing, quenching, da tempering. Waɗannan matakai suna haɓaka kaddarorin injina na ingarma, ƙara ƙarfinsu, taurinsu, da taurinsu don biyan takamaiman buƙatun aikace-aikacen.
Ƙarshen Jiyya: Dangane da aikace-aikacen, ƙarshen studs na iya samun ƙarin jiyya. Misali, ana iya ƙulla ƙarshen ƙarshen don sauƙaƙe shigar da goro ko ramukan da aka taɓa. A wasu lokuta, ana iya karkata ƙarshen ko gyara don ɗaukar takamaiman hanyoyin ɗaurewa ko don samar da mafi kyawun shimfidar wanki ko goro.
Maganin Sama: Don haɓaka juriya na lalata, bayyanar, da kaddarorin aiki, ƙwanƙolin ƙarfe na iya jurewa daban-daban farfajiya - hanyoyin jiyya. Zinc plating yana ajiye wani bakin ciki na zinc akan saman ingarma, yana ba da kariya ta asali. Hot-dip galvanizing yana ba da suturar tutiya mai kauri da ɗorewa, wanda ya dace da aikace-aikacen yanayi na waje da ƙaƙƙarfan. Black oxide shafi yana haifar da bakin ciki, baƙar fata, lalata - Layer mai jurewa ta hanyar halayen sinadarai, kuma yana ba studs kyan gani. Tushen ƙarfe na ƙarfe na iya fuskantar jiyya don haɓaka juriyar lalatarsu.
Duban inganci: Ana bincika kowane rukuni na ƙwanƙwasa biyu. Ana yin gwaje-gwaje masu girma don tabbatar da cewa diamita na ingarma, tsayi, ƙayyadaddun zaren, da jiyya na ƙarshe sun cika ma'auni. Gwaje-gwaje na injina, kamar ƙarfin ɗaure, taurin, da gwaje-gwajen juzu'i, ana yin su don tabbatar da kaya - ƙarfin ɗaukar nauyi da dorewa na ingarma. Hakanan ana gudanar da binciken gani don bincika lahani, tsagewa, ko ƙirar zaren da bai dace ba. Inda kawai suka wuce duk ingantattun gwaje-gwaje an yarda da su don tattarawa da rarrabawa.
Tsarin Jiyya na Sama
Maganin saman tudu biyu na ƙarshen yana da mahimmanci don haɓaka aikin su da tsawaita rayuwar sabis ɗin su:
Zinc Plating: Zinc plating ne mai yadu amfani surface jiyya ga carbon karfe studs. Ya ƙunshi electroplating wani bakin ciki Layer na zinc a saman ingarma. Wannan Layer na zinc yana aiki azaman shinge na hadaya, yana lalatawa da kyau don kare tushen karfe. Zinc plating yana ba da kariya ta asali na lalata kuma ya dace da na cikin gida da ƙasa da aikace-aikacen waje masu lalata. Hakanan yana ba da ingarma haske, kamannin ƙarfe.
Hot - Dip Galvanizing: A cikin zafi - tsoma galvanizing tsari, studs da farko za a dereased da pickled don cire surface gurɓatacce. Sa'an nan kuma, ana jujjuya su kuma a nutsar da su a cikin narkar da zinc bath a kusa da 450 - 460 ° C. Zinc yana amsawa tare da baƙin ƙarfe a cikin ƙarfe don samar da jerin nau'ikan zinc - yadudduka na baƙin ƙarfe, sannan kuma tsantsar tukwane na waje. Sakamakon lokacin farin ciki kuma mai ɗorewa galvanized shafi yana ba da kyakkyawan juriya na lalata, yana sa ingarma ta dace da dogon lokacin amfani da waje da yanayi mai tsauri, kamar yankunan masana'antu ko yankunan bakin teku.
Rufin Black Oxide: Black oxide shafi tsari ne na sinadarai wanda ke haifar da bakin ciki, baƙar fata, lalata-launi mai juriya a saman tudun ƙarfe na carbon. Wannan suturar ba wai kawai tana ba da wasu matakan kariya na lalata ba amma har ma yana ba studs ɗin rigar, bayyanar baƙar fata, wanda galibi ana fifita shi a cikin aikace-aikacen da ake buƙatar kayan ado da matsakaicin lalata. Bakin oxide Layer yana da ɗan ƙaramin sirara kuma yana iya buƙatar ƙarin riguna don ingantacciyar kariya ta lalata a cikin wurare masu tsanani.
Bakin Karfe Passivation: Domin bakin karfe studs, passivation magani da za'ayi. Wannan ya haɗa da nutsar da ingarma a cikin maganin acid don cire gurɓataccen ƙasa, ɓangarorin ƙarfe, da haɓaka ƙarancin oxide na halitta a kan saman bakin karfe. Passivation yana inganta juriyar lalata bakin karfe, musamman a wuraren da ions chloride ko wasu abubuwa masu lalata zasu iya kasancewa, yana tabbatar da dorewar dogaron ingarma.
Shafi Na Musamman: A wasu lokuta, studs na iya karɓar sutura na musamman. Ana iya amfani da suturar Teflon don rage rikici yayin shigarwa da amfani da shi, yana sa ya fi sauƙi don ƙarfafawa da sassauta kwayoyi a kan sanduna. Rigunan kamun ƙwanƙwasa yana hana ingarma daga ɗorawa saboda iskar oxygen ko bayyanar yanayin zafi mai yawa, wanda ke da mahimmanci musamman a aikace-aikacen da za a iya cire ingarma a sake shigar da ita akai-akai. Hakanan za'a iya amfani da abin rufe fuska na abrasion don kare saman ingarma daga karce da lalacewa, musamman ma a cikin yanayi mai ƙarfi.
Iyakar aikace-aikace
Ana amfani da sandunan ƙarewa biyu ko'ina a cikin masana'antu da aikace-aikace da yawa:
Masana'antu da Kayan aiki: A cikin masana'anta na inji, ƙwanƙwasa biyu na ƙarshen suna da mahimmanci don haɗa abubuwa daban-daban. Ana amfani da su galibi don amintattun tubalan injin, kawunan silinda, akwatunan gear, da sauran sassa masu nauyi. Ikon samar da ɗawainiya mai amintacce kuma abin dogaro, ko da a ƙarƙashin manyan lodi da rawar jiki, ya sa su zama makawa a cikin wannan masana'antar.
Gine-gine da Injiniya Tsari: A cikin gine-gine da injiniyan gine-gine, ana amfani da ƙullun ƙarewa biyu don haɗa kayan haɗin gine-gine, kamar katako na karfe, ginshiƙai, da faranti. Ana kuma amfani da su a cikin shigar da abubuwan da aka riga aka gyara, suna ba da haɗin gwiwa mai ƙarfi da ɗorewa. Ana amfani da ingarma mai ƙarfi mai ƙarfi sau biyu a cikin aikace-aikacen tsari mai mahimmanci don tabbatar da kwanciyar hankali da amincin gine-gine da gadoji.
Masana'antar Motoci da Aerospace: A cikin masana'antar kera motoci, ana amfani da ingantattun ingantattun ingantattun injunan injina, ginin chassis, da tsarin dakatarwa. Suna iya jure rawar jiki da damuwa da aka samu yayin aikin abin hawa. A cikin sashin sararin samaniya, inda ake buƙatar ingantacciyar inganci da ƙa'idodin aiki, ana amfani da ingarma biyu don haɗa kayan aikin jirgin sama. Madaidaicin masana'anta da kaddarorin ƙarfin ƙarfi suna da mahimmanci don tabbatar da aminci da aikin jirgin sama.
Bututu Fitting da Ƙarfin Wuta: A cikin masana'antar famfo da bututun, ana amfani da ingantattun ingantattun ingantattun ingantattun abubuwa don haɗa flanges a cikin tsarin bututu. Suna samar da hatimi mai tsaro tsakanin sassan bututu da bawuloli, tabbatar da amincin ruwa - tsarin ɗaukar hoto. Ana yawan amfani da ƙwanƙwasa biyu na ƙaƙƙarfan lalatawa a cikin masana'antar sarrafa sinadarai da aikace-aikacen ruwa don hana yaɗuwa da kiyaye amincin kayan aikin bututun.
Kayayyakin Wutar Lantarki da Lantarki: A cikin masana'antun lantarki da na lantarki, ana iya amfani da ƙwanƙwasa biyu na ƙarewa don tabbatar da shinge na lantarki, bangarori, da abubuwan da aka gyara. Fine - zaren ƙarshen studs biyu sun dace musamman don haɗa kayan lantarki, saboda suna ba da izinin ɗaure daidai ba tare da lalata abubuwa masu laushi ba.
Amfanin Samfur
Amintacce kuma Abin dogaro: Biyu karshen studs bayar da amintacce kuma abin dogara fastening bayani. Ta hanyar amfani da kwayoyi a kan iyakar biyu, za su iya yin amfani da ko da matsi da rarraba kaya yadda ya kamata, rage haɗarin sassautawa a ƙarƙashin girgiza ko damuwa na inji. Wannan ya sa su dace da aikace-aikace masu yawa, daga haske - aiki zuwa nauyi - ayyuka masu nauyi.
Yawanci: Ya samuwa a cikin nau'i-nau'i masu yawa, kayan aiki, nau'in zaren, da zane-zane, nau'i-nau'i biyu na ƙarewa za a iya sauƙin daidaita su zuwa bukatun aikace-aikace daban-daban. Ko yana da madaidaicin aiki a cikin masana'antar lantarki ko aikin gini mai nauyi, akwai samfurin ingarma mai dacewa. Samfuran fasali na musamman, irin su lallausan zare, rashin daidaito - tsayi, da ingantattun ingantattun ɓatanci, suna ƙara faɗaɗa iyakokin aikace-aikacen su a cikin yanayi na musamman.
Sauƙin Shigarwa da Cirewa: Biyu ƙarshen studs suna da sauƙin shigarwa da cirewa. Da zarar an shigar da ƙarshen ɗaya a cikin rami da aka taɓa, za'a iya ƙara ƙwaya cikin sauƙi ko sassauta shi a ɗayan ƙarshen ta amfani da madaidaitan maƙalai ko kwasfa. Wannan sauƙi a cikin shigarwa da cirewa ya sa su dace don amfani da su a cikin taro daban-daban da ayyukan kulawa, inganta aikin aiki.
Farashin - Mai tasiri: Idan aka kwatanta da wasu nau'i na fasteners, sau biyu karshen studs na iya zama farashi - ingantaccen bayani, musamman ga aikace-aikace inda ake buƙatar ƙarfin ƙarfi da abin dogara. Daidaitawar samar da su da wadatar da yawa suna ba da gudummawa ga tanadin farashi, kuma tsawon rayuwarsu yana rage buƙatar sauyawa akai-akai.
Babban lodi - Ƙarfin Ƙarfafawa: Dangane da kayan aiki da girman, nau'i biyu na ƙarewa na iya samun babban nauyi - ƙarfin ɗaukar nauyi. Ƙarfin ƙarfi mai ƙarfi da aka yi da ƙarfe mai ƙarfi ko ƙarfe mai ƙarfi na carbon na iya jure ƙarfin ƙarfi da ƙarfi, yana sa su dace da aikace-aikacen nauyi a cikin masana'antu da ayyukan gini.
Juriya na Lalata: Tare da yin amfani da kayan kamar bakin karfe da daban-daban surface - magani zažužžukan, biyu karshen studs bayar da kyau ga kyau kwarai lalata juriya. Wannan ya sa su dace don amfani da su a waje, ruwa, da kuma gurɓataccen muhallin masana'antu, suna tsawaita rayuwar sabis da rage farashin kulawa.
tuntube mu
Shahararrun samfura masu alaƙa
Kwandon furanni
Turnbuckles yawanci ana gina su ne daga nau'ikan kayan inganci iri-iri, kowane zaɓi bisa takamaiman buƙatun aikace-aikacen da yanayin muhalli.
Kwayar kwaya
Kwayoyin murabba'in yawanci ana kera su daga nau'ikan kayan inganci iri-iri, kowanne an zaɓa don biyan takamaiman buƙatun aiki.
Dacromet-Coated Hexagon Flange Bolts: High-Torque, Anti-Loose fasteners don Harsh Marine/Muhallin Masana'antu
●Material: Carbon Karfe da Bakin Karfe ● Maganin Sama: Galvanized, Nickel Plated, Black Oxide, Hot Dip Galvanizing, Dacromet
Hexagonal flange biyu haƙori a tsaye zaren rawar soja
Ana yin sukurori daga nau'ikan kayan aiki daban-daban, kowanne an zaɓa don biyan takamaiman buƙatun aikace-aikacen bene na waje.
Katin shugaban
Ƙirƙirar igiyoyin igiyar waya galibi ana yin su ne daga manyan kayan ƙarfi don tabbatar da amintaccen ɗaure igiyoyin waya. Carbon karfe abu ne da aka saba amfani dashi, musamman a maki kamar 45 # ko 65Mn.
Kwallon ido
An yi amfani da ƙwanƙolin ɗaga ido galibi daga kayan aiki masu ƙarfi don tabbatar da ingantaccen ƙarfin ɗaukar kaya da aminci yayin ayyukan ɗagawa. Alloy karfe abu ne da aka saba amfani dashi, musamman maki kamar 42CrMo da 35CrMo.
Hexagon flange na waje lebur kai
Geomet flange bolts an ƙirƙira su da farko daga manyan kayan inganci, waɗanda aka zaɓa a hankali don daidaita ƙarfi, dorewa, da juriya na lalata. Carbon karfe abu ne da aka saba amfani dashi, musamman a maki kamar 4.8, 8.8, da 10.9.
Haɗaɗɗen zaren rawar soja
Hex kai kai tapping kai - hako rufin rufi tare da wanki yawanci ana kera su daga kayan inganci - don tabbatar da dorewa da ingantaccen aiki a aikace-aikacen rufi.
Shark fin fadadawa
Galvanize anti skid sleeve bolts an gina su da farko daga babban ƙarfin carbon karfe azaman kayan tushe, yana tabbatar da kyakkyawan kaya - ƙarfin ɗaukar nauyi da kaddarorin inji.
Semi-zagaye na kai
DIN 603 bolts ɗin jigilar kaya galibi ana kera su ne daga kayan inganci masu inganci don tabbatar da ingantaccen aiki da dorewa.
Na waje Shida
An kera kwayoyi na Hex daga nau'ikan kayan aiki daban-daban, kowannen da aka zaɓa don biyan takamaiman buƙatun aiki a cikin aikace-aikace daban-daban. Ƙarfe mai laushi babban zaɓi ne na gabaɗaya - manufa hex kwayoyi saboda farashin sa - inganci da isasshen ƙarfi ga waɗanda ba - ayyuka masu ɗaurewa masu mahimmanci a cikin gida.
Saka bangon bango
An ƙera ankalin rufi da kyau daga manyan kayan ƙira don tabbatar da kyakkyawan aiki da dorewa.
High Tsatsa Resistance Din931 Dacromet Hex Bolts 20mm China Factory Kai tsaye Cikakkiyar Tsatsa Tsatsa Bolts Hex Head Carbon Karfe
Dacromet Hex Bolt: Maɗaukaki mai inganci tare da hex head, wanda fasahar suturar Dacromet ke kula da ita. Yana ba da ingantacciyar juriya na lalata, juriya na feshin gishiri (har zuwa awanni 500), da dorewa a cikin yanayi mara kyau kamar marine, motoci, da saitunan masana'antu. Yana da ƙarfin ɗaukar nauyi mai ƙarfi, daidaitaccen zaren, da dacewa tare da daidaitattun kayan aikin. Ba mai guba ba, rufin da ke da alaƙa da muhalli yana tabbatar da rashin haɗarin haɓakar hydrogen. Mafi dacewa don aikace-aikacen waje, ɗanɗano, ko ɓarna masu buƙatar dogaro na dogon lokaci. Akwai shi cikin girma dabam dabam (M3-M30) da maki (8.8/10.9) don saduwa da buƙatun taro iri-iri.
Kullin ɗaukar kaya
Hot Dip Galvanized HDG Dacromet Geomet Mushroom Head Square Neck Carriage Bolts da farko suna amfani da ƙarfe na carbon azaman kayan tushe, yawanci a cikin maki kamar 4.8, 8.8, da 10.9.
Bakin karfe na waje hexagon kusoshi
DIN933 Ms hex nut bolts an ƙera su ne daga kayan daban-daban, tare da ƙarfe na carbon kasancewa zaɓi na yau da kullun, ana samun su a cikin ma'aunin ƙarfi da yawa kamar 4.6, 5.8, 8.8, da 12.9.
Bolt + goro + mai wanki mai haɗaka uku
Haɗin ƙwanƙwasa ƙwanƙwasa ƙayyadaddun haɗaɗɗen haɗaɗɗen haɗin gwiwa ana ƙirƙira su ne daga nau'ikan kayan inganci iri-iri, waɗanda aka zaɓa bisa buƙatun aikace-aikacen ƙarfi, dorewa, da juriya na lalata. Carbon karfe ne yadu amfani tushe abu, musamman a maki kamar 4.8, 8.8, da kuma 10.9.