DIN931 933 Bolts

Alloy K500 Studs yog xov rooj nrog xov rau ob qho kawg. Lawv tuaj yeem muaj ntau yam sib txawv nyob ntawm xov xwm deb ntawm Chaw thiab Xov Hom. Cov khoom siv tiv thaiv kom kub thiab kub siab. Nws muaj lub ntsiab lus melting ntawm 1350 degrees Celsius, tsawg kawg vim muaj lub zog 790MPA thiab qhov tsawg kawg tensile lub zog ntawm 1100MPA. Cov kev ntseeg no yog ob zaug li muaj zog raws li qib 304.

Bolts ua los ntawm alloy 926 yog tus Austenitic Molybdenum stainless hlau nrog kev sib piv corrosion tsis kam rau super duplex 2507, tab sis nrog me ntsis qis zog lub zog thiab nqi. Chemically ze li ntawm 6-molybdenum alloys al6xn thiab smoo 254, Alloy 926 yog feem ntau siv rau hauv cov ntawv mills, desalination thiab paim acid ib puag ncig.

Inconel 600 bolts yog tsim ntawm chromium, npib tsib xee thiab molybdenum. Qhov no ua rau cov bolts zoo dua rau stainless thiab carbon hlau bolts. Qhov ntev ntev ntawm cov bolts yog nruab nrab ntawm 3mm thiab 200 hli. Inconel 600 hex bolts yog cov tiv taus zoo heev rau kev xeb thiab oxidation. Cov bolts no yog tsim los tswj qhov kub thiab txias thiab siab pressures.

Inconel 600 bolts tuaj yeem ncav tau txog 40% thiab tseem muaj zoo heev machinity. Qhov no alloy 600 ntsia liaj qhov rooj tau muaj kev ua tau zoo tshaj plaws ntawm kev ua tau zoo ntawm cov kub. Cov bolts no tau siv dav hauv cov petrochemical, tshuaj lom neeg thiab ntuj muaj kev lag luam.

Alloy 725 (Tsis yog N07725) yog npib tsib xee-molybdenum-niobium alloy 625 yog nce los ntawm kev kho cua sov ntau dua li kev kho cua txias. Qhov no tseem muab lub zog rau qhov loj me uas tsis tuaj yeem txhawb nqa los ntawm kev ua haujlwm txias. Alloy 725 yog siv rau cov tub ntaus pob txha, cov pob qij txha av thiab cov zog ceev ceev hauv cov ntawv thov marine.

718 bolts tseem muaj zog tiv taus hydrogenlement thiab kev nyuaj siab corrosion tawg. Bolts ntawm Inconel 718 yog siv rau cov txiv mis tsaws, polished lub qhov sab hauv sour roj kev pab, thiab cov hnab ris lossis cov khau khiab. Ib qho ntxiv, nws yog siv rau kev siv lub tshuab lossis cov cuab yeej siv marine.

Alloy 31 muaj cov tshuaj tiv thaiv corrosion zoo heev hauv acidic thiab alkaline media media; Zoo heev rau cov sulfuric acid, txawm tias muaj siab; Zoo heev corrosion thiab yaig corrosion tsis kam nyob hauv phosphoric kua qaub. Peb muab 1.4562 bolts ntawm kev lag luam uas muaj nqi.

Monel 400 bolts thiab txiv ntoo yog tsim los ntawm npib tsib xee-tooj ​​liab rau huab corrosion tsis kam, tshwj xeeb tshaj yog nyob rau hauv cov huab cua noj. Cov khoom siv kuj muaj zog thiab tsis yeem thiab tuaj yeem siv los tsim bolts thiab txiv ntoo kom muaj kev kub siab kub. HT cov yeeb nkab yog cov chaw tsim khoom lag luam thiab cov khoom lag luam ntawm Monel 400 bolts thiab txiv ntseej ntawm txhua qhov ntau thiab tsawg thiab hom. Ntawm cov khoom xyaw yog carbon, txhuas, manganese, silicon, hlau, leej faj thiab 63% npib tsib xee thiab 28% tooj liab. Qhov no muaj pes tsawg leeg muab cov khoom siv lub siab.

Txij li thaum hlau yog nws feem ntau muaj kev sib koom ua ke, nws tau raug cais ua super-austenite. Txawm hais tias nws cov ntsiab lus npib tsib xee tsawg dua ib nrab, cov txheej txheem tsis muaj zog cais alloy 20 raws li cov npib tsib xee. Alloy 20 yog resistant rau kub sulfuric acid, thaum alloy 20 yog ruaj khov nrog Columbium kom txo qis carbide nag lossis daus thaum ua daus. Nws muaj cov khoom siv zoo heev thiab tuaj yeem tsim tau yooj yim. Txawm hais tias cov allolo tau tsim los rau kev lag luam cuam tshuam txog sulfuric acid, nws yog dav siv nyob rau hauv kev lag luam tshuaj thoob ntiaj teb.

Cov neeg txawv tshwj xeeb ntawm hastellloy b3 hex bolts yog lawv lub peev xwm los tswj hwm kev ua kom zoo dua thaum kev hloov pauv mus rau qhov kub thiab txias. Hastelloy b3 bolts yog ua los ntawm ib tug alloy muaj npib tsib xee thiab molybdenum. Cov bolts no yog resistant rau corrosion, pitting thiab kev ntxhov siab corrosion tawg. Cov bolts no tseem tuaj yeem tiv thaiv ntau yam kua qaub rau ib puag ncig, xws li uas muaj sulfuric, acetic, formic, thiab phosphoric acids.

Hastelloy C-276 yog ib qho zoo heev rau peb vim nws txoj kev mob siab tiv thaiv ntau qhov chaw ib puag ncig. Nws muaj qhov ua tau zoo heev rau oxidization aousous media, suav nrog cov tshuaj chlorine ntub dej thiab sib tov ntawm oxidizing acids uas muaj nitric lossis chloride ions.

Alloy B nws cov koob meej tau raug daws los ntawm nws muaj. Tag nrho cov ntaub ntawv no yog qhov zoo tiv thaiv cov acids, tab sis nyuaj rau oxidizing cov kua qaub. Vim yog lub siab molybdenum cov ntsiab lus, qhov no alloy yog tus nqi kim dua lwm yam alloys. Nyob rau tib lub sijhawm, nws muaj cov sulosion zoo heev rau cov sulfuric acid thiab ntau yam tsis muaj cov acid

Hastelloy 276 bolts thiab fasteners yog qhov tsim nyog rau cov tshuaj siv tshuaj feem ntau hauv welded mob. Txawm li cas los xij, nws yuav tsum raug sau tseg tias nyob rau hauv ib puag ncig uas C-276 Alloy Weld sib koom tes yuav raug txiav txim siab, cov chaw siv Weld yuav tsum tau txiav txim siab. Hastelloy C276 qhov ntswj taub hau cap screws kuj muaj qhov tsis kam ua rau pitting cityrosion, kev nyuaj siab corrosion tawg thiab oxidizing cua txog li 1900Ãf.

Hastelloy C-276 Fasteners thiab lwm yam khoom hauv tsev neeg haastelloy muaj kev tiv thaiv zoo heev rau corrosion thiab oxidizing thiab txo tshuaj lom neeg. Vim nws txoj kev yoog tau, haastelloy c-276 alloy tuaj yeem siv tau rau hauv cov chaw teeb meem thiab feem ntau yuav tshwm sim hauv cov txheej txheem cheeb tsam. Hauv Hastelloy C276 hex bolts, cov ntsiab lus chromium tau nce txog 21% thiab cov ntsiab lus Molybdenum yog txo kom txog 13%. Hastelloy C276 Hnyav Haujlwm Hex Bolts kuj muab qhov zoo tiv thaiv mus rau ib puag ncig pom hauv kev txo qis thiab oxidizing tej yam kev mob hauv cov txheej txheem dej.

Hastelloy C-2000 Fastener, tseem paub los ntawm Alloy C-2000, yog ib qho chromium-molybdenum alloy nrog kev ntxhov siab corrosion thiab pitting corrosion. Lub C-2000 Fastener (UN tsis muaj N06200) yog qhov tshwj xeeb ntawm lwm cov astelloy alloys nrog kwv yees li ntawm 1.6% tooj liab ntxiv rau nws cov tshuaj lom neeg muaj pes tsawg leeg. Cov khoom no ua rau lawv zoo tagnrho rau cov ntawv thov xws li kev hloov cua sov thiab muaj reactors. Hastelloy C2000 Fasteners ua ke cov zoo heev rau oxidizing kev tshaj tawm cov khoom siv tsis yog tshuaj lom neeg, suav nrog cov kua uas tsis muaj hlau nrog hlau ions.

Alloy 400 Fasteners muaj suab nrov ntawm 1350 degrees Celsius. Qhov ntom ntawm cov khoom yog siab tshaj li Chrome-npib tsib xee tsis muaj taub hau. Qhov ceev ntawm Monel 400 khoom yog 8.8 grams ib cubic centimeter. Lub zog tseem tshaj li ntawm 304, 316 thiab 310 qib ntawm Ausenitic Stainless hlau. Qhov tsawg kawg nkaus tau los lub zog yog 240MPA thiab qhov tsawg kawg tensile lub zog yog 550mpa. UN tsis muaj N04400 studs yog tsim los ntawm ib qho strand ntawm monel 400 cov khoom siv.

Inconel 600 yog npib tsib xee-chromium-hlau alloy uas yog cov khoom siv txheem rau kev siv corrosion thiab kub tsis kam. Inconel 600 kuj muaj cov kws kho zoo tshaj plaws thiab muaj cov kev sib xyaw ua ke ntawm lub zog siab thiab lub hauv paus zoo. Cov neeg muaj hnub nyoog nickel ua rau muaj kev cuam tshuam rau kev corrosion los ntawm ntau cov organic thiab inorganic sib xyaw ua ke rau chloride kev ntxhov siab corrosion.

Cov thawj cov thawj cov khoom siv hluav taws xob rau Hastelloy C276 suav nrog cov hlau xws li Nickel, Molybdenum thiab chromium. Ntxiv rau peb cov hlau peb coals, Hastelloy C276 Fasteners kuj muaj tungsten ntxiv. Nws yog qhov paub zoo tias qhov sib ntxiv ntawm tungsten rau superalloys tuaj yeem txhim kho cov xeb tsis kam ntawm alloys hauv ntau qhov chaw hnyav. Hastelloy C-276 Alloy tau tiv thaiv zoo heev rau ntau yam kev ua haujlwm zoo nkauj, suav nrog cov muaj zog oxidging, acetic anhydride, seacetater, dej hiav txwv thiab brine daws.

Hastelloy npib B2 yog ib qho tshuaj tiv thaiv zoo heev ntawm alloy nrog siab tsis kam rau pitting thiab kev nyuaj siab corrosion tawg hauv cov cua sov tuaj. Hauv tshwj xeeb, qhov no ua yeeb yam zoo nyob rau hauv ib puag ncig ib puag ncig xws li sulfuric acid, hydrogen chloride thiab phosphoric acid. Alloy B tseem hu ua WNR 2.4617 bolts thiab peb muab cov hom alloys hauv txhua cov khoom siv qib, ntsuas ntsuas thiab ntau thiab tsawg.

Qee qhov ntawm cov yam ntxwv ntawm Alloy 31 yog: kev tiv thaiv zoo heev rau cov ntawv luam tawm thiab oxidizing tshaj tawm cov khoom siv oxycoric ntawm cov khoom siv roj oxychlories rau 67% nitric acid.

Peb tsim cov khoom zoo alloy 20 bolts rau Astm \ / ASME \ / din cov qauv thiab cov qauv tshwj xeeb. Alloy 20, tseem hu ua "Kws ntoo 20" thiab "20cb-3", yog npib tsib xee-molybdenum stainless hlau alloy tsim rau sulfuric acid thov. Nws corrosion kuj tseem qiv nws tus kheej rau ntau lwm cov siv hauv tshuaj, khoom noj, khoom lag luam thiab yas chaw lag luam. Ib qho ntawm cov laj thawj tseem ceeb uas alloy 20 fasteners muaj ntau yog tias lawv tiv thaiv pitting thiab crocoride ion corrosion, thiab lawv cov ntsiab lus tooj liab tiv thaiv nws los ntawm sulfuric acid.

Alloy-20 yog "super" stainless hlau tsim rau kev tiv thaiv zoo rau acid nres. Nws cov npib tsib xee, chromium, molybdenum thiab cov ntsiab lus tooj liab ua rau nws tag nrho cov kev ntxhov siab corrosion thiab kev tawm tsam dav dav. Nws yog kev tiv thaiv kab mob chloride kev ntxhov siab tawg. Nws yog feem ntau pom nyob rau hauv cov tshuaj sib xyaw thiab cov khoom siv chiv ua khoom siv. Feem ntau, nws yog kev lag luam kev lag luam rau Alloy C276 thiab lwm yam ntaub ntawv uas muaj cov ntsiab lus siab dua tsib xee.

Inconel 725 Cov khoom siv ntsia liaj ua haujlwm ua tau raws li ASTM B446, F467, F467, DMOSS tsis kam thiab ntsuas kub siab txog 1000o C (1800o f).

Alloy B (tsis yog N10001) tau tsim los tawm tsam hydrochloric acid. Hastelloy B2 tau hloov nws. Alloy B3 (tsis yog N10675) yog ib qho tshiab tshiab sib txawv nrog ntau dua thermal ruaj khov. Cov alloy B2 Bolts yog wrought wrought nickel molybdenum alloy uas tuaj yeem siv nyob rau hauv cov kev mob welded. Nws yog cov resistant heev rau hydrochloric acid ntawm txhua qhov siab thiab kub. Lub npe hu ua N10665 Bolts, cov Bolts tseem tiv taus kev ntxhov siab corrosion tawg thiab pitting.

Inconel 725 Bolts yog ib qho alloy ntawm npib tsib xee, cobalt thiab niobium uas yog corrosion resistant, hardenable thiab tsis muaj zog heev. Lub zog ntawm cov alloy no tau nce los ntawm kev kho cua sov rau kev ua kom siab thiab du.

Inconel 718 lossis Alloy 718 yog cov feem ntau siv cov khoom siv tsis yooj yim uas tsis yooj yim uas tsis muaj tseeb npib tsib xee alloy alloy. Vim nws cov nag lossis cov nag thiab cov roj ntsha tseem ceeb thiab cov roj chromium, cov tshuaj chromium, cov khoom siv no muaj kev sib xyaw ua ke ntawm kev ua haujlwm corrosion thiab muaj zog ntau.

Cov txiaj ntsig ntawm kev siv 2.4360 (Alloy 400) bolts suav nrog lawv lub zog siab thiab zoo heev corrosion. Cov yam ntxwv ntawm Astm F467 400 Monel tau tswj hwm hauv ntau cov acidic thiab alkaline ib puag ncig. Alloy 400 bolts yog qhov zoo rau cov ntawv thov them nyiaj.

Inconel 926 ntsia liaj qhov rooj Astm

Alloy 926 (1.4529) Screads yog qhov hloov zoo tshaj plaws rau 316L thaum ntau dua corrosion tsis kam yog tsis muaj zog ntxiv. Alloy 926 Fasteners tau txiav txim siab yog 6-molybdenum alloy (6-molybdenum alloys alirots tau txiav txim siab heev corrosion resistant.

Inconel 718 yog lub zog siab, corrosion resistant nickel-chromium cov khoom uas tuaj yeem siv nyob rau hauv kub ntawm -423ÃÃf. Inconel 718 hnub nyoog hardening alloy tuaj yeem yooj yim ua kom yooj yim, txawm tias mus rau qhov seem. Cov yam ntxwv vuam ntawm inconel 718, tshwj xeeb tshaj yog nws kev tawm tsam rau tom qab weld cracking, zoo heev.