B8M Qib 1 Fasteners xav tau kev kho cov carbide daws, thaum qib 2 yuav tsum muaj kev ua haujlwm ntxiv kom ua kom muaj zog thiab txo qis kev ua kom hnav.
Cov kev qhia tshwj xeeb rau ASTM A320 qib l7m cov ntaub ntawv npog alloy steel bolting rau cov ntawv thov kub tsawg. ASTM A320 L7 STUPS kuj tseem siv tau rau hauv cov ntawv thov nrog cov huab cua huab cua sov txog -150o. ASTM A320 qib l7m bolts thiab ASTM A320 Bolts muaj qhov them nqi tsawg kawg ntawm 15 ko taw-phaus ntawm qhov kub no.
Ht yeeb nkab yog tus thawj coj hauv kev lag luam tsis muaj txiaj ntsig, muab cov khoom siv roj carbon steels, thiab cov hlau txuas tawm ntawm txhua qhov ntau thiab tsawg, suav nrog txhua qib. Cov khoom lag luam dav dav tag nrho cov qauv thiab cov kev xav tau ntawm kev lag luam, muab cov khoom lag luam zoo uas koj tuaj yeem siv nrog kev ntseeg siab
Tsis hais txog cov kev kho cua sov thov rau cov pa roj carbon hlau, lub sijhawm cov roj carbon ntau dua, thaum tseem ua rau lub ntsej muag melting ntawm lub ntsia liaj qhov rooj. Feem ntau cov khoom siv roj carbon hlau feem ntau yog softer.
ASTM A193 Qib B8 Qeb 1 Bolts thiab cov tub kawm ua los ntawm AISI 304 stainless hlau. Hom 304 yog cov feem ntau siv cov qauv stainless hlau hauv lub nrawm kev lag luam.
Cov tawv tawv ntawm cov hlau me me yog RB70 \ / 85. Qhov chaw uas yuav tsum muaj zog thiab hnav tsis kam lossis rau kev siv hauv cov pa roj teeb sib xyaw los ntawm cov pa roj carbon hlau lossis cov ntaub ntawv tawv. Chromate txheej tuaj yeem muab kev tiv thaiv corrosion. Cov khoom siv hlau ua rau cov roj carbon hlau yog siv rau kev lag luam nrawm.
Qhov tshwj xeeb rau ISO chav kawm 4.8 tus qauv npog qib 4.8 cov fasteners zoo li bolts \ / screws \ / stips. Hom kev kawm nrawm nrawm 4.8 ntsia liaj qhov rooj tuaj yeem yog siv cov xov npib thiab zoo pitch xov kev tsim. Cov Chav Kawm 4.8 Cov Hluav Taws Hlau Carbon Steel Bolt tau tsim los ntawm cov roj av qis lossis nruab nrab hlau.
Kev sib xyaw ntawm txhua cov ntsiab lus ntawm cov ntsia liaj qhov rooj rau 10% ntawm qhov hnyav ntawm cov hlau. Raws li lub npe qhia, HSLA Bolts yog cov cua sov kho rau lub zog siab dua. Cov khoom siv no tseem ua kom ductile, ua kom lawv tau yooj yim rau thiab siv lub tshuab, thaum ua rau muaj hlau siab dua li cov hlau me me.
ASTM A193 Qib B7 Bolts thiab cov txij nkawm yog tsim los ntawm Chrome Molybdenum hlau thiab yog quenched thiab tempered (cua sov) kom ua tiav cov khoom siv xav tau (lub zog). Qib B7 yog cov feem ntau siv A193 ntsia liaj qhov rooj hauv kev tsim kho.
Vim tias cov hlau tiaj tus wahsers tseem muaj ntau cov pa roj carbon hauv lawv uas cov pa yuav nyiam sib khi nrog. Chromium hauv cov roj carbon steel xauv kuj tseem ua rau ferromagnetism tseem ceeb hauv cov hlau, uas tsis yog hauv qee cov ntawv thov, thiab Nickel tseem pab nrog qhov no.
U-Bolt Inch: | Tongm, phaj loj: 3.890 x 1.141 x 0.110Mm.DIN931 ASTM A193 B7 Ib Zaug Xov Xwm Hlau Bolt Alloy Hlau M7 Hex Bolt Fasteners Bolts CeevNickel Alloy Yeeb Nkab & TubeCov Khoom Siv: Q235B Carbon Hlau, Electro-Galvanized Nto txhawm rau txhim kho qhov xeb thiab corrosion tsis kam ntawm u-bolts.ASTM A194 2H 8mlcun 8mlcuna thiab 254smo ntsia liaj qhov chaw hex hnyav txiv ntoo asme b18.2.2
B7 Threaded Studs thiab lub taub hau luv luv bolts tau yooj yim muaj nyob hauv kev ua lag luam. B7 Bolts bolts feem ntau siv rau yeeb nkab flange sib txuas. Cov bolts no feem ntau yog muag hauv ib qho khoom qab zib uas ua tiav, tab sis feem ntau kub-dip galvanized, ptfe coated, lossis lwm yam kho nrog kev ua kom haum.
ASTM A320 Bolts yog tsim nyog rau kev kub siab rau qhov tsis kub mus rau -150¡ÃF thiab muaj qhov tsawg kawg nkaus tsub nqi ntawm 20-ft-lbf ntawm qhov kub no. ASTM A320 HEX Bolts yuav tsum tau txais lub durability thiab kev pabcuam ntawm kev kub siab lossis kev kub siab thiab corrosion resistant steel. ASTM A320 kev teeb tsa bolts muaj ntau qhov ntau thiab tsawg thiab cov qauv, peb tus nqi them rau hauv kev ua lag luam vim lawv cov khoom ntiag tug thiab cov lus qhia tshwj xeeb.
U-Bolt nruab nrab steel steel muaj 0.3-0.59% carbon, uas muab cov pa roj carbon, uas muab cov xaim nrog nce lub zog thiab cov hnav zoo. Nws yog ib qho yooj yim rau tshuab thiab siv rau kev forging thiab cov chaw pib. Cov pa roj carbon ntau thiab ultra hlau muaj zog heev thiab siv nyob rau hauv springs thiab siab lub zog khoom. Cov alloys no tuaj yeem ua tau npau taws heev rau kev tawv heev yam tsis muaj nkig thiab siv hauv kev siv daim ntaub ntawv zoo heev. Cov ntsiab lus carbon ntawm cov alloys yog 0.6-0.99% cov pa roj carbon thiab 1.0-2.0% ultra-siab carbon hlau.
Ceev thiab bolts ua rau muaj zog tsawg. Txawm li cas los xij, cov hlau me me yog yoog raws. Ductility siab yog cov cuab yeej uas ua rau cov khoom zoo rau kev machining thiab vuam. Tsis muaj cov ntsiab lus sib txawv - siv ua ib qho kev sib txawv, tsis yog lwm hom hlau, uas ua rau txiv ntoo thiab bolts hu ua tsawg tus nqi bolts.
Peb cov pa roj carbon steel ferrule chaw tsim khoom muaj peev xwm ua tau loj thiab kev cai txiav txim los ntawm peb cov neeg siv khoom thoob ntiaj teb. Cov roj carbon siab chromium cov roj carbon ntau, thaum ua rau cov hlau steel, tsis yog kev tiv taus corrosion tag nrho. Cov ntsiab hauv cov roj carbon steel uas puab tsaig muaj qhov cuam tshuam loj rau kev kho cua sov; Vim tias lawv zoo li qeeb qeeb ntawm atoms los ntawm cov hlau lattice, yog li ncua kev hloov pauv pollopic. Qhov nyuaj ntawm cov pa roj hmab hloov tshiab tuaj yeem hloov kho los ntawm kev ntxiv cov ntsiab lus xws li manganbenum, chromium, npib tsib xee thiab boron.
Carbon Steel txiv ntseej thiab cov qib kub tau muab faib ua peb pawg sib txawv raws li cov ntsiab lus carbon me me, nruab nrab thiab cov pa roj carbon ntau. Cov pob zeb hlau me me hlau bolts yog cov qeb feem ntau dav siv cov roj carbon pawg. Me steel xov rau pob tev alloys feem ntau muaj tsawg dua 0.25% cov pa roj carbon los ntawm qhov hnyav. Txij li qhov no hom carbon steel bolt tsis tau yog qhov nyuaj los ntawm kev kho cua sov los txhawb kev tsim ntawm martensite, lub alloy txias ua haujlwm.
HT cov yeeb nkab tsim thiab faib cov carbon steel fackenerers suav nrog u-bolts, studs, bolts bolts thiab ntau dua. Cov hlau roj carbon steel yog ib qho khoom siv rau cov fasteners vim nws lub zog zoo tensile thiab muaj peev xwm tiv lub zog. Nws teb zoo rau kev kho cua sov nrog kev ua haujlwm tsawg kawg ua haujlwm thiab brittleness.
Stud ntsia liaj qhov rooj, hex ntsia liaj qhov rooj, hex bolt nrog ib qho xov nrog tag nrho cov xov, hex txiv ntoo cak ntsia hlau, hex txiv ntoo, tiaj tus washer, tiaj ntxuav. - Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Carbide daws kev kho mob, tseem hu ua kev daws teeb meem annealing, yog cov txheej txheem nyob rau hauv uas rockeners lossis ces dej quenched los xyuas kom meej corrosion siab tshaj. A193 Qib B8 Bolts yog kev kho kom zoo dua tom qab cov khoom kho kom zoo thiab txo cov peev xwm hnav.
Myanmar (Burmese)
Steel yeeb nkab fittings
Kev kho deg: dog dig (galvanized (zinc pob tshab), Zinc Dub, oxidized dub, dacromet lossis lwm tus raws li koj qhov yuav tsum tau ua
Lub ATTM A307 tshwj xeeb npog cov roj teeb roj teeb thiab cov studs nyob rau hauv txoj kab uas hla ntawm 1 yog 1 "rau 4". Nov yog koj niaj hnub mill bolt specification, feem ntau ua los ntawm A36 puag ncig bar. Muaj peb qib A, B thiab C * rau lub zog tensile, kev teeb tsa thiab kev thov, feem. Saib cov khoom siv mechanical cov khoom siv rau kev hloov maj mam ua kom muaj zog sib txawv hauv qib.
Cov tshuab ntxhua khaub ncaws no tau tsim los ntawm peb cov kws tshaj lij uas siv cov ntaub ntawv raw sab saum toj zoo nyob rau hauv raws li tsim tau tsim kev lag luam cov cai. Peb muab Astm A307 cov pa roj carbon hlau hauv ntau hom specifications thiab tuaj yeem yog kev cai tsim rau cov neeg siv khoom tshwj xeeb. Backed los ntawm ib pab pawg ntawm cov kws tshaj lij, peb tau cog lus los muab txoj kab hwm ntawm Astm A307 cov khoom siv hlau.
Daim Ntawv Thov: Rau kev kho lossis txuas cov thaiv cov kav nkoj rau cov kav dej, ntoo, thiab lwm yam. Siv lwm cov khoom siv hauv tsev thiab lwm cov ntawv thov kev lag luam.
ASTM A193 Qib B8M qib 1 Fasteners zoo ib yam li qib b8 tab sis yog ua los ntawm Aisi 316 Stainless hlau hloov ntawm AISI 304 stainless hlau. Hom 316 Stainless hlau muaj zoo corrosion tsis kam dua hom 304 stainless hlau vim qhov sib ntxiv ntawm molybdenum.
Tsis pub dhau cov qeb tshwj xeeb ntawm cov hlau me me yog lwm tus hlau hu ua lub zog loj alloy hlau, lossis hsla rau luv. Txawm hais tias HSLA Screws yog rau cov meli pawg, nws tuaj yeem sau tseg tias HSLA Screws tseem muaj lwm cov ntsiab lus hauv lawv cov alloys, npib tsib xee, vanadium thiab molybdenum.
U-bolts yog yooj yim rau lub tshuab thiab tuaj yeem ua tau kom tau raws li cov kev tiv thaiv tawm kom tau rau cov xov thiab nrawm nrawm. Carbon Steel yog tseem hlau kev lag luam. Cov Pa roj carbon hlau tau muab cais los ntawm cov pa roj carbon hauv lub pob txha, uas cuam tshuam rau cov khoom ntawm cov hlau. Cov hlau me me nrog cov ntsiab lus carbon ntawm 0.0.3% yog coo thiab ductile. Lub zog tensile muaj zog thiab cov nyom ntawm cov pa roj carbon. Nws yog tus nqi qis tshaj plaws ntawm cov roj carbon steel alloys.
Lub ATTM A194 cov kev qhia tshwj xeeb yog cov tshuaj carbon, alloy, thiab martensitic stainless hlau txiv ntoo nyob rau hauv ntau thiab tsawg rau 4 nti thiab metric m6 mus rau M100 nominal. Nws tseem npog Anustenitic stainless hlau txiv ntoo hauv qhov loj ntawm 1 \ / 4 nti thiab m6 nominal thiab saum toj no. Cov txiv ntoo no yog siv rau kev pabcuam siab lossis kub kub, lossis ob qho tib si.
Cov pa roj carbon hlau tau txhais tias cov hlau nrog cov ntsiab lus carbon tsis zoo tshaj 2.1% los ntawm qhov hnyav. Carbon steel bolts ua nyuaj thiab nce hauv lub zog tom qab kev kho cua sov li cov pa roj carbon ntau ntxiv. Txawm li cas los xij, qhov ductility ntawm cov hlau txo.
Cov khoom siv hlau ua haujlwm yog ua los ntawm cov ntaub ntawv raw zoo heev, uas ua kom muaj kev pheej yig ntawm lawv cov neeg siv kawg. Cov pa roj carbon cov hlau txuas dav dav nrhiav lawv cov ntawv thov muaj txiaj ntsig hauv ntau thaj teb.
