Yog Monel Zoo dua Stainless Hlau

 

Monel Vs Stainless hlau

Monel tsis yog ib txwm zoo dua stainless hlau. Monel feem ntau yog qhov kev xaiv zoo dua rau qhov chaw muaj corrosive heev uas muaj dej hiav txwv, hydrofluoric acid, thiab qee yam tshuaj lom neeg. Stainless hlau feem ntau yog pheej yig dua thiab ntau yam rau kev lag luam piping, kev ua zaub mov, kev tsim kho, thiab ntau yam kev siv tshuaj.

 

Kev xav tau	Cov ntaub ntawv pom zoo	Yog vim li cas
Dej hiav txwv ntws siab tshaj 2 m / s, los yog dej hiav txwv sov siab tshaj 40 degree	Monel 400	Kev tiv thaiv kab mob chloride SCC; tiv taus erosion -corrosion qhov twg 316L pits thiab tawg
Hydrofluoric acid, txhua qhov concentration	Monel 400	Kev siv alloy rau HF alkylation; 316L corrodes sai heev
Nitric acid, chromic acid, ntub chlorine	316L / 304L	Monel yaj. Tsis txhob qhia nws
Kub caustic soda (NaOH) siab tshaj 60 degree	Monel 400	Kev lag luam siv alloy rau 290 degree; 316L raug mob caustic SCC
Stagnant lossis qis - dej hiav txwv ceev tshaj 30 degree	316L los yog duplex 2205	Monel qhov kom zoo dua yog nkim; crevice txaus ntshai muaj nyob rau hauv ob qho tib si
Atmospheric marine, txaws cheeb tsam, dej tshiab	316L	Monel yog 5-7x tus nqi tsis muaj kev pab cuam
Kev pab cuam H2S	Monel 400 (35 HRC cap)	Tsim nyog rau NACE MR0175 / ISO 15156-3 Annex A.8
Nyiaj txiag yog qhov kev txiav txim siab txwv	316L	Tib yam khoom daim ntawv ntawm ib - tsib mus rau ib - thib xya tus nqi
Vuam- hnyav fabrication	316L	Monel xav tau npib tsib xee- tooj liab muab tub lim thiab nruj dua cov cua sov nkag
Thaum tshav kub kub exchanger tubing, seawater	Monel 400	Ntau dua thermal conductivity (21.8 vs 16.3 W / m·K) ntxiv rau corrosion kuj

 

 

Monel yog ib pawg ntawm cov nickel alloys, feem ntau muaj cov npib tsib xee (los ntawm 52 mus rau 67%) thiab tooj liab, nrog me me ntawm hlau, manganese, carbon, thiab silicon. (Alloys nrog cov ntsiab lus tooj liab 60% lossis ntau dua yog hu ua cupronickel.)

 

• Monel 400: Siv ntau hauv kev siv tshuaj lom neeg thiab dej hiav txwv
• Monel K-500: Qhov zoo tshaj plaws rau roj-qhov laum dab tshos thiab marine twj tso kua mis.

 

Muaj zog tshaj npib tsib xee, Monel alloys tiv taus corrosion los ntawm ntau tus neeg ua haujlwm, suav nrog cov dej hiav txwv ntws sai. Lawv tuaj yeem tsim tau yooj yim los ntawm kub - thiab txias - ua haujlwm, machining, thiab vuam.

 

Monel yog ib qho khoom -solution binary alloy. Raws li npib tsib xee thiab tooj liab yog sib sib zog nqus nyob rau hauv tag nrho cov proportions, nws yog ib tug -theem alloy. Piv nrog rau cov hlau, Monel nyuaj rau tshuab vim nws ua haujlwm - hardens sai heev. Nws yuav tsum tau tig thiab ua hauj lwm ntawm qeeb ceev thiab tsis pub tus nqi. Nws tiv taus corrosion thiab acids, thiab qee cov alloys tuaj yeem tiv taus hluav taws hauv cov pa ntshiab. Nws yog feem ntau siv nyob rau hauv daim ntawv thov nrog heev corrosive tej yam kev mob. Ntxiv me me ntawm txhuas thiab titanium tsim ib qho alloy (K-500) nrog tib corrosion kuj tab sis muaj zog ntau dua vim gamma prime tsim ntawm kev laus. Monel feem ntau kim dua li stainless hlau.

 

Monel alloy 400 muaj qhov tshwj xeeb lub ntiajteb txawj nqus ntawm 8.80, melting ntau ntawm 1300-1350 degree, hluav taws xob conductivity ntawm kwv yees li 34% IACS, thiab (hauv lub xeev annealed) hardness ntawm 65 Rockwell B.^.Monel alloy 400 yog qhov tseem ceeb rau nws qhov toughness, uas yog tswj hwm ntau qhov kub thiab txias.

 

Monel alloy 400 muaj cov cuab yeej zoo heev ntawm qhov kub thiab txias. Lub zog thiab hardness nce nrog tsuas yog me ntsis kev puas tsuaj ntawm ductility lossis cuam tshuam tsis kam. Cov hlau tsis dhau mus rau qhov zas - mus rau - kev hloov pauv hloov txawm tias txias rau qhov kub ntawm cov kua hydrogen. Qhov no yog qhov sib txawv rau ntau cov ntaub ntawv ferrous uas yog nkig ntawm qhov kub thiab txias txawm tias lawv muaj zog ntxiv.

 

Cov qauv khoom: ASTM B127 (phaj, ntawv, sawb), ASTM B164 (rod, bar, hlau), ASTM B165 (seamless yeeb nkab thiab raj), ASTM B725 (welded yeeb nkab), ASTM B564 (forgings thiab forged flanges), ASTM B366 (pipe fittings, WPNC qib). European sib npaug tsim yog 2.4360 / NiCu30Fe. Chinese npe NCu30. Nws yog muab raws li Monel puag ncig bar, phaj, seamless thiab welded raj, thiab forgings.

 

 

Stainless hlau yog hlau -raws li alloy muaj chromium. Chromium enables tsim ib tug nyias, passive oxide zaj duab xis ntawm cov khoom nto, yog li pab cov stainless hlau tiv thaiv xeb thiab corrosion. Cov qib sib txawv ntawm stainless hlau muaj qhov sib txawv ntawm chromium, npib tsib xee, molybdenum, carbon, nitrogen, thiab lwm yam alloying ntsiab.

 

"Stainless hlau" tsis yog ib yam khoom. Nws yog ib tsev neeg spanning 304, 316, 316L, 317L, 321, 347, duplex 2205, super duplex 2507, thiab 904L, nrog cov ntsiab lus npib tsib xee los ntawm 4% mus rau 25% thiab ntau cov khoom sib txawv.

 

316L (UNS S31603) yog qis- carbon austenitic stainless hlau nrog 16-18% chromium, 10-14% nickel, thiab 2-3% molybdenum. Nws txoj kev tiv thaiv yog chromium oxide passive zaj duab xis roughly 1-3 nanometers tuab, kho tus kheej nyob rau hauv lub xub ntiag ntawm oxygen.

 

Cov qauv khoom: ASTM A240 (phaj), ASTM A276 / A479 (bar), ASTM A312 (pipe), ASTM A182 (forgings thiab flanges), ASTM A403 (fittings). Hauv Monel 400 vs 316L kev sib piv uas sau los ntawm kab lus no, qhov no yog qib Monel yog ntsuas tawm tsam. Cov ntaub ntawv muaj xws li 316L stainless hlau round bar, phaj, thiab seamless yeeb nkab.

 

Kev nyeem ntawv engineering: Monel 400 yog npib tsib xee- tooj liab alloy uas tsis muaj chromium, tiv thaiv los ntawm nickel- tooj liab oxide zaj duab xis uas ua haujlwm hauv kev txo qis . 316L yog hlau-raws li alloy tiv thaiv los ntawm chromium oxide zaj duab xis uas ua haujlwm hauv oxidising tej yam kev mob.

 

 

Lub ntsiab	Monel 400 (N04400), %	316L (S31603), %	Vim li cas thiaj tseem ceeb
Ni	63.0 feeb (incl. Co)	10.0-14.0	Monel's nickel matrix yog qhov thaiv corrosion thiab tus nqi tseem ceeb ntawm tus tsav tsheb. Hauv 316L, npib tsib xee stabilizes austenite theem
Cu	28.0-34.0	tsis tau teev tseg (residual)	Lub ntsiab lus Monel ntxiv. Tiv thaiv HF thiab txo cov kua qaub; kuj yog vim li cas oxidisers rhuav tshem cov hlau
Cr	2.0 max	16.0-18.0	316L tag nrho cov kev tiv thaiv los ntawm chromium. Monel txhob txwm tshaj tawm yuav luag tsis muaj
Mo	tsis tau teev tseg	2.00-3.00	Nce 316L pitting kuj nyob rau hauv chlorides. PREN kev pab cuam ntawm 6.6-9.9 ntsiab lus
Fe	2.5 max	tshuav nyiaj li cas	Monel kaus mom hlau nruj; hlau dilutes cov nickel{0}} tooj liab zaj duab xis. 316L's hlau puag yog vim li cas nws thiaj li pheej yig
C	0.30 max	0.030 max	316L's carbon cap tiv thaiv rhiab heev ntawm weld seams. Monel tolerates ntau dua carbon
Mn	2.0 max	max 2.00 Nws	Deoxidation nyob rau hauv ob qho tib si. Hauv Monel, manganese kuj tseem txuas ntxiv cov sulfur seem
Si	0.50 max	0.75 max	Deoxidation
S	0.024 max	0.030 max	Sulfur ua rau kub luv luv hauv Monel forging, yog li cov yaj yog tswj nruj dua hauv kev xyaum
N	tsis tau teev tseg	0.10 max	316L residual. Tsis txhob txhob txwm tshaj tawm raws li nws nyob hauv qib duplex

 

 

 

Khoom	Monel 400(annealed)	316L (annealed)
Tensile zog	480 MPa min	485 MPa min
Lub zog muaj zog (0.2%)	195 MPa min phaj / 170 MPa min bar thiab forgings	170 MPa min
Elongation	35% min	40% min
Hardness	60-75 HRB raug / 110-150 HB	95 HRB max
Qhov ntom	8.80 g / cm³	7.98 g/m²
Elastic modulus	179 gp ua	193 gp ua
Thermal conductivity	21.8 W/m·K	16.3 W/m·K
Melting ntau	1300-1350 degree	1370-1400 degree
Curie kub	21-49 ° C	tsis yog-magnetic (austenitic)
Pab tau qhov kub thiab txias	mus txog 480℃nruam	mus txog 425-450℃rau 316L hauv kev pabcuam corrosive
Kev ua haujlwm txias zog	Muaj zog	Nruab nrab
Sour service hardness cap	35 HRC	22 HRC

 

 

Ib puag ncig	Monel 400	316L	Yeej
Dej hiav txwv ntws, ambient rau 50 degree	Zoo heev, qis dua 0.025 mm / y txog li 8 m / s	Zoo, tab sis pits thiab crevices nyob rau hauv qis - cheeb tsam ceev	Monel 400
Dej hiav txwv stagnant, crevice geometry	Zoo, nrog kev pheej hmoo biofouling	Tsis zoo, crevice corrosion yuav	Monel 400, marginally
Chloride stress corrosion cracking saum 60 degree	Tiv thaiv kab mob	Raug mob	Monel 400
Hydrofluoric acid, tag nrho cov concentrations rau 120 degree	Zoo heev, qis dua 0.05 mm / y (anhydrous, txog 230 degree)	Ceev intergranular nres	Monel 400, los ntawm qhov dav dav
Caustic soda (NaOH), tag nrho cov concentrations rau 290 degree	Kev lag luam siv alloy	Zoo ntawm qhov kub thiab txias, caustic SCC kev pheej hmoo thaum kub thiab concentrated	Monel 400
Deearated dilute H2SO4 thiab HCl	Zoo	Zoo	Khi
Aerated sulfuric acid	Tsis zoo siab tshaj li 1.5 m / s; tawm tsam tooj liab	Nruab nrab	316L
Nitric acid (HNO3) siab dua 10%	pluag - yaj	Zoo rau zoo heev	316l, ua
Chromic acid, ferric chloride, cupric ntsev	pluag	Nruab nrab mus rau qhov zoo	316L
Cov roj chlorine ntub dej	pluag	Nruab nrab	316L
Aerated ammonia nrog oxygen ingress	Tsis zoo - cov ntaub ntawv soluble tooj liab- ammonia complexes	Zoo	316L
mercury thiab mercury ntsev	Excluded - amalgamation and SCC	Txais nrog kev saib xyuas	316L
Kev pab cuam H2S	Zoo heev, NACE tsim nyog rau 35 HRC	Txaus siab rau 22 HRC nrog kev txwv	Monel 400
Siab -kub oxidation, siab tshaj 540 degree	Oxidation accelerates	Zoo txog li 800℃(scaling resistance)	316L
Biofouling kuj	Ntuj resistant	Biofouling txhawb kev tawm tsam crevice	Monel 400
Dej qab zib, chav dej, condensate	Zoo heev tab sis dhau - qhia	Zoo heev thiab raug nqi -zoo	316L

 

Vim li cas Monel yeej ntws dej hiav txwv thiab 316L tsis?

316L tsis ua hauj lwm hauv dej hiav txwv tsis zoo corrosion; cov alloy feem ntau corrosion tus nqi nyob rau hauv seawater yog tsawg. Cov kev ua tsis tiav yog hauv zos - pitting thiab crevice corrosion qhov twg cov zaj duab xis passive yog tshaib plab, thiab chloride kev nyuaj siab corrosion cracking ib zaug cov hlau kub nce siab tshaj li 60℃nyob rau hauv tensile stress. Monel 400 tsis muaj hom tsis ua haujlwm, vim tias nws txoj kev tiv thaiv tsis nyob ntawm qhov muaj oxygen thiab nws cov nickel- tooj liab matrix tiv thaiv chloride SCC. Qhov sib txawv tseem ceeb hauv kev lag luam: 316L seawater tivthaiv tsis ua tsis tiav los ntawm maj mam thinning, nws ua tsis tiav los ntawm perforating ntawm lub ntsej muag gasket los yog tawg ntawm lub vuam, feem ntau tsis ceeb toom.

Vim li cas Monel poob rau 316L hauv oxidising acids, thiab poob phem?

Nitric acid, chromic acid, ferric chloride, cupric ntsev, thiab cov chlorine ntub dej tag nrho oxidise tooj liab nyob rau hauv Monel lub nto zaj duab xis los ntawm Cu(I) mus soluble Cu(II). Cov yeeb yaj kiab tawm mus thiab cov hlau corrodes ntawm tus nqi ntsuas hauv millimeters ib xyoos. Lub nkoj 316L hauv 40% nitric acid yog ib txwm ua, ntau xyoo- siv ntev. Ib lub nkoj Monel 400 hauv tib qhov kev pabcuam yog qhov tsis ua tiav.

 

 

Nqi tiv thaiv	Monel 400	316L
Phaj / ntawv, FOB Tuam Tshoj	USD 22-32 / kg	USD 3.2-5.2 / kg
Round bar, FOB Tuam Tshoj	USD 24-36 / kg	USD 4.0-6.5 / kg
Seamless yeeb nkab / raj, FOB Tuam Tshoj	USD 30-48 / kg	USD 5.5-9.5 / kg
Forged flanges thiab fittings	USD 34-55 / kg	USD 6.5-11 / kg
Monel K-500 hwm tshaj 400	15-25%	tsis siv tau
Vuam thiab fabrication nqi	1.5-2.5x 316L ua haujlwm	Lub hauv paus
Yam khoom muaj/lub sij hawm ua	4-10 lub lis piam, txwv zeb puag	2-5 lub lis piam, dav

 

 

Daim ntawv thov 1: HF alkylation chav tsev, refinery.

• Teeb meem: Hydrofluoric acid thoob plaws txhua qhov ntau, ntxiv rau qhov kev pheej hmoo ntawm kev tso tawm uas yog qhov txaus ntshai rau tib neeg, tsis yog rau cov khoom siv xwb.
• Pom zoo: Monel 400 rau li qub, piping, thiab wetted internals.
• Yog vim li cas: Fluoride tawm tsam chromium passivation, yog li stainless hlau corrodes sai los ntawm intergranular nres nyob rau hauv qhov kev pab cuam. Monel 400 tuav hauv qab 0.05 hli / xyoo nyob rau hauv anhydrous HF txog 230 degree. API RP 751 tsim cov qauv kev lag luam ntawm no, thiab cov khoom siv tus nqi qis yog qhov tsis tseem ceeb ntawm qhov kev nyab xeeb.

 

Daim ntawv thov 2: Seawater nqa twj tso kua mis ncej, desalination cog.

• Teeb meem: Cov dej hiav txwv sov aerated ntawm 38 degree, xuab zeb nkag, cavitation los ntawm rov pib dua - nres tsheb kauj vab, thiab cov khoom siv tsis tu ncua.
• Pom zoo: Monel 400 ncej nrog npib tsib xee-aluminium-bronze lossis cupronickel impeller thiab hnav cov nplhaib.
• Yog vim li cas: 316L tsis tuaj ntawm no los ntawm cavitation- pab pitting, qaug zog tawg nyob ze ntawm txoj kev tseem ceeb, thiab kev sib cuam tshuam galvanic. Monel 400 zam lub voj voog thauj khoom vim nws qhov hnyav thiab tsis tshua muaj kev cuam tshuam, thiab nws ua ke ruaj khov nrog tooj liab- puag alloys vim tias muaj peev xwm galvanic nyob ze. Cov dej hiav txwv sov sov ntxiv rau aeration ntxiv rau cov nqi poob qis yog qhov sib xyaw ua ke uas TCO rooj plaub saum toj no tau tuav.

 

 

Daim ntawv thov 3: Caustic soda evaporator thiab hloov kab, chlor-alkali nroj tsuag.

• Teeb meem: 50% NaOH ntawm 85 degree, nrog concentrated caustic ntawm evaporator theem.
• Pom zoo: Monel 400, nrog kev ntxhov siab -relieved welds saum toj li 60℃thiab siab concentration.
• Yog vim li cas: Monel 400 yog kev lag luam siv alloy rau caustic mus rau 290℃. 316L tuav caustic ntawm ambient kub, tab sis yog nce zuj zus mus rau caustic stress corrosion cracking li kub thiab concentration nce. Nco ntsoov tias kev ntxhov siab tsis tuaj yeem xaiv tau nyob rau hauv lub kaum ntse ntse ntawm qhov kev pabcuam no, rau Monel ntau npaum li rau stainless.

 

Daim ntawv thov 4: Nitric acid hloov kab, chiv lossis hlau tiav cog.

• Teeb meem: 40% HNO3 ntawm 60 degree, oxidising acid.
• Pom zoo: 316L lossis 304L.
• Yog vim li cas: Qhov no yog rooj plaub uas ua pov thawj lub ntsiab lus. Monel 400 corrodes sai nyob rau hauv nitric acid saum toj no li ntawm 10% vim hais tias cov oxidiser dissolves tooj liab nyob rau hauv nws cov zaj duab xis tiv thaiv. Ib qib stainless yog ob qho tib si pheej yig dua thiab ntev heev - nyob. Yog tias koj cov txheej txheem yog nitric acid, tsis txhob nyeem txog Monel.

 

Daim Ntawv Thov 5: Cov roj ntsha roj hauv lub taub hau thiab cov khoom siv hauv qab.

• Teeb meem: ntub H2S ntawm lub siab thiab kub, nrog ib tug hardness -tsav sulfide kev nyuaj siab cracking.
• Pom zoo: Monel 400, tsim nyog rau 35 HRC siab tshaj plaws; Monel K-500 qhov twg xav tau lub zog ntau dua thiab qhov nyuaj tuaj yeem tswj tau.
• Yog vim li cas: Monel 400 yog tsim nyog raws li NACE MR0175 / ISO 15156-3 Annex A.8, thiab nws 35 HRC cap yog dav dav dua li 22 HRC cap uas txwv 316L. Qhov ntxiv hardness headroom yog qhov txiaj ntsig zoo engineering hauv qhov dej qaub.

 

Daim ntawv thov 6: ntug hiav txwv qhov chaw railing, txoj kev taug kev, thiab cov txheej txheem fittings.

• Teeb meem: Atmospheric marine raug nrog ntsev tsuag, tsis muaj immersion, tsis ntws.
• Pom zoo: 316L, los yog duplex 2205 rau siab dua -chloride los yog qhov chaw kub.
• Yog vim li cas: Qhov no yog qhov uas qhia Monel yog pov tseg dawb huv. Atmospheric marine corrosion yog ib qho oxidising mob, uas yog chemistry Monel yog phem tshaj ntawm, thiab cov neeg kho tshuab loads tsis tseem ceeb . 316L ua tau zoo, thiab duplex 2205 ua tau zoo dua ntawm ib feem ntawm Monel tus nqi.

 

 

Q: Qhov txawv ntawm Monel thiab stainless hlau yog dab tsi?

A: Monel (ib qho hlau feem ntau yog npib tsib xee thiab tooj liab) thiab cov hlau tsis muaj steel (tseem muaj hlau, chromium, thiab npib tsib xee) yog cov txheej txheem sib txawv ntawm cov hlau. Monel muaj kev tiv thaiv zoo tshaj plaws rau cov dej hiav txwv corrosion thiab tshuaj lom neeg (acids thiab alkalis) piv rau cov qauv stainless hlau (xws li qib 304 thiab 316), txawm hais tias nws cov nqi yuav khoom yog siab dua -feem ntau ntau zaus ntawm siab- zoo stainless hlau. Thaum cov hlau tsis muaj steel muaj tus nqi zoo dua -kev ua tau zoo rau feem ntau cov qauv kev siv, Monel yog cov khoom ntawm kev xaiv rau ib puag ncig corrosive heev, xws li marine engineering, chemical processing li qub, thiab marine shafting.

 

Q: "Kuv tab tom tsim cov kav dej hiav txwv. Kuv puas yuav tsum tshuab cov peev nyiaj ntawm Monel K500 lossis lo nrog Super Duplex Stainless Steel?"

A: Rau cov kav dej hauv dej hiav txwv, thaum ob qho tib si Super Duplex (xws li UNS S32750 / S32760) thiab Monel muaj kev tiv thaiv chloride kev nyuaj siab corrosion tawg, Monel nthuav tawm cov kev tiv thaiv zoo heev rau biofouling thiab pitting hauv dej hiav txwv stagnation, ua rau nws tshwj xeeb tshaj yog haum rau cov khoom muaj kev pheej hmoo ntawm crevice corrosion, xws li bolts thiab fasteners.

 

Q: Puas yog Monel ua haujlwm hnyav dua thaum lub sijhawm ua haujlwm dua li 316 stainless hlau?

A: Lub machinability ntawm Monel yog qhov nyuaj tshaj li ntawm austenitic los yog ferritic stainless hlau, yuav tsum tau txiav ceev ceev, siab pub tus nqi, thiab tshuab cuab yeej nrog zoo heev rigidity. Thaum xaiv cov ntaub ntawv, ib tug yuav tsum tsis txhob blindly opt rau Monel raws li ib tug "ib-stop solution"; Hloov chaw, tus nqi - kev ua tau zoo yuav tsum raug ntaus raws li cov khoom nruab nrab ntawm cov kua dej ntws tawm, qhov kub thiab txias, thiab chloride ion concentration.

 

Q: Puas yog Monel zoo dua li cov hlau tsis huv rau kev siv dej hiav txwv?

A: Yog. Monel muaj kev tiv thaiv zoo tshaj plaws rau marine biofouling, tshaj tawm corrosion, thiab chloride kev nyuaj siab -corrosion cracking piv rau cov qauv austenitic stainless hlau zoo li 304 lossis 316. Txawm li cas los xij, 316L, duplex 2205 lossis super duplex stainless hlau kuj tseem siv tau nyob ntawm qib chloride, kub, kev ntxhov siab thiab nyiaj txiag.

 

Q: Kuv puas tuaj yeem hloov Monel 400 nrog 316L?

A: Qee zaum, tab sis tsis yog hloov daim pam.

Rau cov kab dej nrog cov tshuaj me me, 316L tuaj yeem tsim nyog. Rau HF, kub caustic, los yog xav tau marine raug, ib qho kev hloov ncaj qha tuaj yeem ua rau muaj kev pheej hmoo corrosion tsis zoo.

 

Q: Qhov txawv ntawm Monel 400 thiab 316L stainless hlau yog dab tsi?

A: Monel 400 yog npib tsib xee- tooj liab alloy nrog 63% npib tsib xee yam tsawg kawg nkaus thiab 28-34% tooj liab thiab tsis muaj chromium, tiv thaiv los ntawm npib tsib xee- tooj liab oxide zaj duab xis. 316L yog hlau-raws li austenitic stainless hlau nrog 16-18%-18% chromium thiab 3% chromium. molybdenum, tiv thaiv los ntawm chromium oxide passive zaj duab xis. Monel ua haujlwm hauv kev txo qis; 316L ua haujlwm nyob rau hauv oxidizing tej yam kev mob.

 

Hais txog Zhengzhou Huitong Pipeline Equipment Co., LTD.

HT PIPE yog ib tug zoo-paub stockist thiab exporter. Peb yog cov khoom siv stainless / carbon / npib tsib xee alloy khoom xa khoom nrog 15+ kev xa tawm. Peb tsis tsuas yog muab cov kav dej, phaj, puag ncig, tab sis kuj yog cov yeeb nkab fittings, flanges, thiab lwm yam. Tiv tauj peb kom paub ntau ntxiv thiab cov nqi dawb.

 

 

✅ ISO 9001: 2015

✅ MTC 10204 3.1 3.2

✅ 100% PMI (Positive Material Identification)

✅ Ultrasonic Testing (Rau ASME VIII)

✅ Thib peb-Kev Tshawb Fawb (SGS/BV/DNV/LR)

✅ NACE MR0175 / ISO 15156

 

Author: Chloe Pu

5+ Xyoo ntawm Kev Tshaj Lij Tshaj Plaws hauv Stainless Hlau, Nickel Alloy & Carbon Steel Hlau Kev Lag Luam

Hloov tshiab kawg: Cuaj hlis 16, 2026 (Beijing Sijhawm)

 

Cov ntaub ntawv siv thiab qhov chaw

1. ASTM B127 / ASME SB127 - Txuj Specification rau Nickel -Copper Alloy (UNS N04400) Phaj, Ntawv, thiab Sawb

2. ASTM B164 / ASME SB164 - Txuj Specification rau Nickel -Copper Alloy Qws, Bar, thiab Hlau

3. ASTM B165 / ASME SB 165 - Txheem Specification rau Nickel -Topper Alloy Seamless Yeeb thiab Tube

4. ASTM B564 / ASME SB 564 - Txuj kev qhia tshwj xeeb rau Nickel Alloy Forgings

5. ASTM B366 / ASME SB366 - Txuj kev qhia tshwj xeeb rau lub Hoobkas- Ua Wrought Nickel thiab Nickel Alloy Fittings

6. ASTM A240 / ASME SA240 - Txuj Specification rau Chromium thiab Chromium-Nickel Stainless Hlau Phaj, Ntawv, thiab Sawb

7. ASTM A312 / ASME SA312 - Txuj kev qhia tshwj xeeb rau Seamless, Welded, thiab hnyav hnyav ua haujlwm Austenitic Stainless Steel Pipes

8. NACE MR0175 / ISO 15156-3 - Petroleum thiab natural gas industries: Cov ntaub ntawv siv rau hauv H2S- muaj ib puag ncig, Annex A.8 (nickel- tooj liab alloy 400)

9. API RP 751 - Kev Ua Haujlwm Zoo ntawm Hydrofluoric Acid Alkylation Units

10. ASME B31.3 - Txheej Txheem Piping

11. Special Metals Corporation - Monel Alloy 400 cov ntaub ntawv qhia kev

12. London Hlau Txauv - LME Cov Nqi Ua Haujlwm, 15 Cuaj Hlis 2026 (nyiaj ntsuab npib tsib xee USD 16,130/t; nyiaj ntsuab tooj liab USD 14,044.50/t)

13. London Hlau Txauv - LME Molybdenum (Platts) siv, 9 Cuaj hlis 2026 (USD 33.49/lb)

14. AWS A5.14 - Specification for Nickel thiab Nickel-Alloy Bare Vuam Electrodes thiab Rods