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Ọkwa 316 bụ ọkwa molybdenum ọkọlọtọ ma bụrụ nke abụọ na ọkwa 304 na mkpokọta mmepụta na igwe anaghị agba nchara austenitic. Tụnyere 304, molybdenum na-enye nguzogide corrosion n'ozuzu nke ọma na 316, ọkachasị nguzogide dị elu na pitting na crevice corrosion na gburugburu chloride. A312 TP316 igwe anaghị agba nchara isi mkpuchi mkpuchi maka corrosion ma ọ bụ ọrụ okpomọkụ dị elu, ma ọ bụ abụọ, ma ọ bụ ngwa ebumnuche izugbe.

Ihe mkpuchi na-arụ ọrụ dị oke mkpa n'ịrụ ụdị ihe ọ bụla kwa ụbọchị. Ọ bụrụ na ịmeela ọrụ DIY ọ bụla, ọ ga-abụ na ị na-eji ngwa ngwa iji nyere aka rụọ ọrụ ahụ. A na-eji ihe mkpuchi na-echekwa ihe dị ka osisi, ígwè, plastik ma ọ bụ konkịtị. Ha na-agụnye mkpụrụ na bolts, eriri eri, bolts nhazi, igwe igwe, arịlịka wedge, washers, rivets, na ndị ọzọ n'ụdị na nha dịgasị iche iche, gụnyere metric na inch.

A na-eji UNS S32750 Bolts maka mgbakọ nke akụkụ abụọ na-enweghị eriri, site n'enyemaka nke nut. A maara UNS S32750 Bolts nwere akụrụngwa dị elu dị ka tensile dị elu na ike na-enye.

Ọgwụgwọ okpomọkụ na-arụ ọrụ dị oke mkpa na evolushọn nke microstructure n'oge na-ekpo ọkụ nke Nimonic 80a n'ihi na ọ na-enwe mmetụta dị ukwuu na ma uto ọka na mgbasa \/ ọdịda nke precipitates \/ carbides.

ASTM A320 Grade L7 bụ nkọwapụta ihe maka bolts, studs, nuts na fasteners ndị ọzọ emebere maka ngwa bolting dị elu. ASTM A320 L7 akara ule na-ekewa n'ime 4 arụmọrụ klaasị, A, B, C, na D, nke ọ bụla nwere dị iche iche tensile na nrụgide mgbawa Njirimara. A na-eji ihe nkedo klaasị 660 na-ekpochi ọkụ ọkụ, arịa nrụgide, flanges ọkpọkọ na valves maka ọrụ okpomọkụ dị elu.

N'ihi nguzogide siri ike nke alloy na ihe mejupụtara kemịkalụ gụnyere acids, bases na ngwọta na-anọpụ iche, mkpụrụ osisi duplex steel uns s31803 ga-abụ mgbakwunye dị mma na ụlọ ọrụ ndị a.

Isi ihe kpatara nke a bụ na ọ na-enye nnukwu granularity, ya bụ njide nke ngwaọrụ nwere ike iji wepụ nut. Ọzọkwa, ọ bụrụ na e nwere ọtụtụ akụkụ, ọ pụtara na ọ na-eyi ka ọ na-eyi, ya mere, akụkụ isii ahụ na-enye ngwọta kachasị mma maka nsogbu abụọ a. E nwere ụdị mkpụrụ osisi dị iche iche, dabere na ebumnuche eji eme ya; ha dị iche na mkpụrụ osisi ọkọlọtọ ụlọ, nke a na-eji naanị maka ụlọ ọrụ mmepụta ihe.

Nsonaazụ na-ekpughe na Inconel 625 mara mma n'iguzogide mwakpo corrosion na mmiri oke osimiri. Otú ọ dị, na okpomọkụ na-arịwanye elu, nguzogide corrosion nke ígwè a na-ebelata.

Zeron 100?nwere 25% chromium na 7% nickel na 3.6% molybdenum yana mgbakwunye ọla kọpa na tungsten. Zeron 100 nwere nhazi 50¨C50 austenitic¨Cferritic. Ọ nwekwara nnukwu nguzogide chloride pitting, crevice corrosion na stress corrosion cracking karịa ihe ọkọlọtọ 300 usoro igwe anaghị agba nchara gosipụtara.

Inconel 625 nwekwara iguzogide usoro mgbasa ozi mmiri dị iche iche na-eme ka corrosion dị n'ime obodo, mgbawa corrosion nrụgide na ụdị ọgụ ndị ọzọ.

A na-eme 254 SMO bolts site na (UNS S31254) austenitic igwe anaghị agba nchara nke na-eguzogide olulu na crevice corrosion n'ihi nnukwu ọdịnaya molybdenum. Emebere ọla a maka ojiji na gburugburu nwere halide, dị ka mmiri oké osimiri.

B7 na B7M ka a ga-edozi okpomọkụ site n'imenyụ n'ime mmiri mmiri na iwe ọkụ. Maka ihe nkedo B7M, ọgwụgwọ okpomọkụ ikpeazụ, nke nwere ike ịbụ arụ ọrụ ọkụ ma ọ bụrụ na a na-eme ya na 1150 ¡ãF [620 ¡ãC] kacha nta, ga-eme ya mgbe arụ ọrụ na-arụ ọrụ na nhazi niile, gụnyere eriri eri na ụdị ịkpụ.

N'ihi na carbon steel flat wahsers ka nwere ọtụtụ carbon n'ime ha nke oxygen ga-ahọrọ ijikọ. Chromium na carbon steel mkpọchi washers na-ebutekwa feromagnetism na nchara, nke a na-achọghị na ngwa ụfọdụ, nickel na-enyekwa aka na nke a.

INCOLOY alloys so na udi nke super austenitic igwe anaghị agba nchara. Alloys ndị a na-eji nickel-chromium-iron dị ka ihe mgbakwasị ụkwụ ma tinye mgbakwunye dị ka molybdenum, ọla kọpa, nitrogen na silicon. A maara alloys ndị a maka ike ha dị mma na oke okpomọkụ na ezigbo nguzogide corrosion na gburugburu ebe dị iche iche na-emebi emebi.

Monel 400 es una de las pocas aleaciones que conserva la resistencia a temperaturas bajo cero, asi que utilicela en estas situaciones.

Aku nwere eriri dị n'ime nke mere na ọ ga-adị mfe ịgbachi na bolt. Ogo nke nut dị obere karịa nke bolt. The mkpụrụ na-enweta mkpakọ ike. Ọ bụ nrụgide nrụgide na-eduga na ọdịda ya. E nwere ụdị mkpụrụ dị iche iche: Hex Nut, Nylon Insert Lock Nut, Jam Nut, Nylon Insert Jam Lock Nut, Square Nut, Cap Nut, Acorn Nut, T-nut, Cape Nut, Castle Nut, Wingnut, Flange Nut, Slotted Nut, Coupling nut, etc. ụdị nut a na-ahụkarị taa bụ hexagon.

AL-6XN bụ alloy nke bụ igwe anaghị agba nchara austenitic. A na-akpọkarị ya dị ka nnukwu austenitic igwe anaghị agba nchara n'ihi na ọ nwere ọtụtụ ihe bara uru. Otu n'ime uru bara uru nke iji al6xn bolts bụ na enwere ike iji ya na oke okpomọkụ. Ka ọ dị ugbu a, AL6XN bụ alloy super austenitic, na ihe kachasị ukwuu bụ ígwè. Ọ bụ ihe kachasị ewu ewu nke 6% molybdenum alloys. Ihe ndị a na-ejikarị eme ihe bụ na nhazi nri, ụlọ ọrụ ọgwụ na biotechnology. Ọ na-egosipụta nguzogide corrosion dị elu ma e jiri ya tụnyere alloys duplex n'ọtụtụ gburugburu. N'ihi ọdịnaya nickel dị ala, ihe nkedo AL6XN na-adịkarị ọnụ ahịa karịa ihe mkpuchi nickel alloy dị elu.

Igwe anaghị agba nchara UNS N08904 stud bolt bụ hardnable na martensitic igwe anaghị agba nchara na corrosion eguzogide yiri Type410, na nwekwara elu carbon ọdịnaya dịkwuo ike na ike siri ike n'elu Ụdị 410. Ndị a igwe anaghị agba nchara DIN1.4539 stud bolts nwekwara ike sie ike site okpomọkụ ọgwụgwọ, ebe na ihe atụ, a kacha nta na 7 ihe onwunwe na-4. dị jụụ.

A na-ahọrọkarị mkpụrụ osisi igwe anaghị agba nchara na bolts maka nguzogide corrosion ha na gburugburu ebe ndị na-emebi emebi. Otú ọ dị, nsogbu bụ na ọkọlọtọ igwe anaghị agba nchara akụ na bolts enweghị ike inye ike dị elu nke carbon ígwè nwere ike inye, nke na-eduga n'ihe ize ndụ nke fastener ọdịda.

A na-ejikarị nickel-molybdenum alloy a eme ihe n'okpuru ọnọdụ mbelata oke ma nwee ihe mejupụtara carbon, silicon na ígwè dị ala karịa Hastelloy B (Alloy B). A na-akpọkwa skru nke sitere na alloy a dị ka ihe nkpuchi UNS N10665.

Ọdịnaya nickel dị elu, opekempe nke Ni 72%, jikọtara ya na ọdịnaya chromium, na-enye ndị ọrụ nke nickel Alloy 600 ọtụtụ uru dị ka ezigbo nguzogide oxidation na oke okpomọkụ na nguzogide corrosion na ogige organic na inorganic.

Alloy 926 (1.4529) kposara bụ nnọchi zuru oke maka 316L mgbe achọrọ nguzogide corrosion dị elu na-enweghị ike ịbawanye ike. Alloy 926 fasteners na-ewere a 6-molybdenum alloy (6-molybdenum ma ọ bụ 6% molybdenum), yiri nwanne alloys AL6XN na SMO 254. Na igwe anaghị agba nchara udi, ndị a 6 molybdenum alloys na-ewere nnọọ corrosion eguzogide.

ASTM A193 Grade B7 bolts bụ ihe chrome-molybdenum nwere ike tensile dị elu yana ezigbo elongation.

Mkpụrụ hex anyị siri ike ma dị mma maka ime ụlọ na n'èzí. Igwe anaghị agba nchara a dị elu karịa igwe nkịtị ma na-enye ezigbo nguzogide corrosion.

Inconel 625 bụ superalloy dabere na nickel austenitic. Ọkwa dị elu nke molybdenum na niobium na-ewusi matrix chrome-nickel nke skru 625 alloy. Inconel 625 Bolts bụ ihe nkedo emere site na nickel alloy nwere chromium na molybdenum, yana mgbakwunye nke aluminom na titanium.

Super Duplex 2507 bolts (EN 1.4410) bụ nke igwe anaghị agba nchara nwere 25% chromium, 4% molybdenum na 7% nickel.

Nsonaazụ pụrụiche na ntinye nke nickel na Inconel 718 Hex Nuts. Taa, ikuku ikuku na-aghọ ahịa na-esote maka Inconel 718 hex bolts n'ihi nnukwu arụmọrụ ya na elu na okpomọkụ dị ala.

Na S31803, ihe dị ka ọkara nke ọka ferrite na-agbanwe ghọọ ọka austenite ("agwaetiti") ka ihe ahụ na-ajụ oyi ruo ụlọ okpomọkụ. Nsonaazụ bụ microstructure nke ihe dịka 50% austenite na 50% ferrite.

Super Duplex 2507 stud bolts (EN 1.4410) bụ nke igwe anaghị agba nchara nwere 25% chromium, 4% molybdenum, na 7% nickel. A maara Duplex 2507 maka ike ya dị elu yana nguzogide corrosion dị mma na mpaghara chloride.

316-316L Black Nature igwe anaghị agba nchara Hexagon soket isi bolt ojii 316-316L Hexagon soket isi bolt

Incoloy 800-800H-800HT Akụ bụ nickel-iron-chromium alloys nwere ezigbo nguzogide corrosion na gburugburu okpomọkụ dị elu. A makwaara dị ka UNS N08800 Fasteners, UNS N08810 Fasteners na UNS N08811 Fasteners, mgbakọ ndị a dị mma maka nhazi hydrocarbon, tubes catalyst na convection \/ ọkpọkọ tubes na mmepụta ethylene maka ụlọ ọrụ mmanụ / gas.