AMS 5536 Hastelloy X Phaj

AMS 5536 Hastelloy X Phajyog lub siab - kub npib tsib xee alloy uas rau cov neeg tsim khoom siv hluav taws xob thiab cov khw muag roj turbine xaj thaum cov kev pabcuam raug txhais los ntawm cua sov es tsis yog kua qaub. Cov alloy, UNS N06002, yog ib qho khoom siv- daws teeb meem- muaj zog nickel-chromium- hlau- cov khoom siv molybdenum uas tuav lub zog muaj txiaj ntsig ntawm qhov kub uas cov hlau tsis muaj steel twb tau poob feem ntau ntawm nws cov load- nqa lub peev xwm, thiab nws ua kom tsis muaj cua sov hauv qab 9} oxidation. Nws yog teev rau combustion chambers, furnace liners, heat{11}}kho fixtures, thiab txheej txheem piping Cheebtsam uas khiav kub thiab nyob twj ywm nyob rau hauv kev pab cuam rau xyoo.

 

Hastelloy X zaum hauv kev lag luam sib txawv los ntawm cov qib corrosion hauv tib tsev neeg. Alloys zoo li C276 thiab C22 yog yuav rau tshuaj tiv thaiv ntawm nruab nrab kub; Hastelloy X yog yuav rau siab - kub lub zog, oxidation tsis kam, thiab fabricability saum toj no roughly 650 degree. Nws yog cov alloy ntawm kev xaiv rau dav hlau cav combustion liners, industrial furnace radiant tubes thiab muffles, thiab petrochemical furnace internals, qhov twg cov lus nug tsim tsis yog "dab tsi yuav corrode" tab sis "dab tsi yuav tseem tuav load thiab nyob twj ywm ntawm 900℃tom qab txhiab ntawm thermal cycles".

ASTM B435 Hastelloy X Txuj Specification

Specification	ASTM B435 / ASME SB435
Thickness	Ntau yam ntawm 0.3mm mus rau 20mm
Ntev	2000mm / 2440mm / 2500mm / 3000mm / 6000mm.
Dav	1000mm / 1219mm / 1250mm / 1500mm / 2000mm
Hardness	Raws li ASME A & NACE MR 175
Ua kom tiav	Kub dov phaj (HR), Cold Rolled Sheet (CR)

Hu rau tam sim no

Tshuaj muaj pes tsawg leeg ntawm Hastelloy X phaj rau ASTM B435

Cov cua sov- tsom xam txwv hauv qab no ua raws ASTM B435 rau UNS N06002 phaj, ntawv, thiab sawb. Cov khoom sib npaug yog npib tsib xee, thiab kev sib xyaw ntawm chromium, hlau, thiab molybdenum muab cov hlau nws ob lub cim ntawm oxidation tsis kam thiab siab - qhov kub thiab txias.

 

Element	Kev txwv kev txwv,%
Ni	Qhov nyiaj tshuav (nominally 47)
Cr	20.5 - 23.0
Fe	17.0 - 20.0
Mo	8.0 - 10.0
Co	0.5 - 2.5
W	0.2 - 1.0
C	0.05 - 0.15
Mn	1.0 max
Si	1.0 max
Al	0.50 max
Ti	0.15 max
Cu	0.50 max
B	0.010 max
P	0.040 max
S	0.030 max

 

Cov kab chromium ntawm 20.5-23.0% yog cov oxidation tsis kam: nws tsim ib qho chaw ruaj khov, nruj adherent Cr2O3- nplua nuj nplai uas tiv thaiv lub hauv paus hlau hauv oxidizing cua sov cua. Cov kab molybdenum ntawm 8.0-10.0% yog lub zog kub-kub: molybdenum solid-solution ntxiv dag zog rau cov nickel matrix thiab slows creep ntawm qhov kub thiab txias.

 

Cov ntsiab lus hlau ntawm 17.0-20.0% yog qhov txawv txav tsis zoo rau cov nickel alloy, thiab nws ua ob txoj haujlwm ib zaug - nws txo cov nqi hlau thaum nthuav dav lub hnab ntawv corrosion thiab oxidation hauv cov cua sov sib xyaw. Kev txhob txwm tshaj tawm cov pa roj carbon ntau ntawm 0.05-0.15% muab qee qhov kev txhawb nqa carbide yam tsis muaj embrittling cov hlau, uas yog vim li cas Hastelloy X tswj ductility txawm tias tom qab ntev raug nyob rau hauv 650-900℃ntau yam.

 

Mechanical zog ntawm Hastelloy X phaj

ASTM B435 yuav tsum muaj cov khoom tensile yam tsawg kawg nkaus hauv qab no rau UNS N06002 phaj hauv kev daws teeb meem -annealed mob, uas yog tus qauv xa khoom:

 

Khoom	Yam tsawg kawg nkaus tus nqi (ASTM B435)
Tensile zog	690 MPa (100 ksi)
Yield zog, 0.2% offset	276 MPa (40 ksi)
Elongation hauv 2 hauv (50.8mm)	30%

 

Hom annealed ntau lawm qhov tseem ceeb khiav siab tshaj qhov tshwj xeeb yam tsawg kawg nkaus. United Performance Metals 'tshaj tawm cov ntaub ntawv raug rau annealed Alloy X phaj qhia kwv yees li 720 MPa (104,500 psi) tensile, 324 MPa (47,000 psi) tawm los, thiab 46% elongation ntawm chav tsev kub.

 

Dab tsi tseem ceeb rau tus tsim lub tshuab hluav taws xob tsis yog chav -kub kab tab sis qhov siab siab - tus cwj pwm kub: ntawm 649℃(1200℃F) qhov tensile raug tseem yog li 472 MPa, thiab ntawm 816℃(1500℃F) nws tseem yog 252% MPa nrog 5. Cov alloy nqa tau zoo tshaj qhov taw tes uas austenitic stainless hlau tau poob mus rau ib feem ntawm nws chav - qhov kub thiab txias.

 

Lub cev muaj zog

Qhov ceev ntawm Hastelloy X yog 8.22 g / cm³ (0.297 lb / in³). Lub melting range yog kwv yees li 1260-1355℃(2300-2470℃F). Lub alloy yog qhov tseem ceeb uas tsis yog-sib nqus, nrog rau qhov sib nqus permeability hauv qab 1.002, uas tseem ceeb hauv kev siv ze rau qhov ntsuas ntsuas. Nws cov thermal conductivity nce nrog qhov kub ntawm li 9.1 W / m·K ntawm chav tsev kub txog li 25.0 W / m·K ntawm 816 degree, thiab nws cov hluav taws xob tiv taus yog li 115.8 microhm-cm ntawm chav tsev kub.

 

Khoom	Tus nqi
Qhov ntom	8.22 g / cm³
Melting ntau	1260 - 1355℃(kwv yees.)
Sib nqus permeability	< 1.002
Thermal conductivity, 21 degree	9.1 W/m·K
Thermal conductivity, 816 degree	25.0 W/m·K
Hluav taws xob tiv taus, 21 degree	115.8 μΩ Ω

 

Cov qauv tsim thiab cov ntawv phaj

Hastelloy X phaj yog tsim thiab muab raws li nram no specifications:

 

• ASTM B435 / ASME SB -435 - phaj, ntawv, thiab sawb ntawm UNS N06002
• AMS 5536 - daim ntawv, sawb, thiab phaj (tus qauv kev yuav khoom aerospace)
• ASTM B572 - bar thiab pas nrig ntawm tib lub alloy
• ASTM B366 - wrought fittings rau cov kav dej hauv cov hlau

 

Lub phaj yog tsim los ntawm kub dov lub forged slab, ces tov annealing thiab ceev txias kom muab tag nrho cov alloying ntsiab rau hauv cov khoom tov. Lub anneal kub yog feem ntau nyob rau hauv thaj tsam ntawm 1177℃(2150℃F) nrog ceev ceev, uas ua rau cov nplua -grained, tag nrho austenitic qauv uas muab cov alloy nws ua ke ntawm lub zog thiab ductility. Hastelloy X tsis yog hardenable los ntawm kev kho cua sov; nws lub zog yog tag nrho los ntawm cov khoom muaj zog- kev daws teeb meem ntxiv dag zog thiab ua haujlwm tawv, yog li txias dov yog tib txoj hauv kev rau siab zog tempers.

 

Muaj phaj loj thiab kam rau ua

Hastelloy X phaj yog muab rau hauv lub hnab ntawv tus qauv hauv qab no, nrog rau qhov project -qhov loj me muaj nyob ntawm kev thov:

 

Parameter	Ntau yam
Thickness	0.5 hli mus rau 75 hli (daim ntawv ntawm 0.5 hli, phaj los ntawm 4.75 hli)
Dav	1000 hli, 1219 hli (4 ft), 1500 hli, 2000 hli, 2500 hli
Ntev	2000 hli, 2438 hli (8 ft), 3000 hli, 6000 hli
Nto tiav	Kub- dov annealed, pickled, los yog abrasive-blasted
Ntug	Sheared, plasma- txiav, lossis machined raws li tau teev tseg

 

Tus qauv phaj thickness kam rau ua rau B435 cov khoom ua raws li ASTM A480 lub rooj rau npib tsib xee alloy phaj: piv txwv li, 6 hli phaj yog kwv yees li ntawm +/-0.40 hli thickness kam rau ua, thiab qhov kam rau ua widens nrog nce thickness. Flatness yog tswj nyob rau hauv cov specification, thiab rau laser- txiav los yog plasma-txiav blanks tus neeg yuav khoom yuav tsum hais lub flatness yuav tsum tau rau lub PO, vim hais tias txiav qhia distortion uas lub phaj zeb tsis raug.

 

High -kub kev ua tau zoo: qhov cub designer yuav

Tus nqi ntawm Hastelloy X phaj yog xa hauv peb qhov kev pabcuam. Ua ntej, oxidation tsis kam: cov hlau yog ntsuas rau kev pabcuam txuas ntxiv hauv oxidizing cua mus txog 1204℃(2200℃F), thiab nws tsim cov yeeb yaj kiab tenacious oxide uas tiv thaiv kev sib kis hauv thermal cycling.

 

Thib ob, siab -qhov kub thiab txias: lub alloy tuav lub peev xwm muaj txiaj ntsig zoo txog 816℃(1500℃F), qhov twg nws cov tensile ib txwm nyob siab dua 250 MPa - kwv yees li tsib npaug ntawm lub zog ntawm 316L ntawm tib qhov kub. Thib peb, tiv thaiv carburization thiab nitriding: nyob rau hauv cov cua kub cua uas yuav carbonize los yog nitride stainless hlau nto, Hastelloy X nyob twj ywm ductile thiab tawg -dawb.

 

Lub luag haujlwm	Hastelloy X tus cwj pwm	Yam txwv
Oxidizing cua, nruam	Zoo heev, tsis yog -spalling scale	~ 1204 degree
High -kub load bearing	Zoo rau 816 degree, pab tau tshaj	Lub zog poob siab tshaj 982 degree
Carburizing atmospheres	Zoo tsis kam	Zoo dua cov qib stainless
Nitriding cua	Zoo tsis kam	Nto hardening txwv
Kev txo qis / nruab nrab cua sov	Zoo	ruaj khov tshaj qhov kev pab cuam
Corrosive tshuaj pab hauv qab 650 degree	Nruab nrab	Tsis yog vim li cas thiaj yuav X

 

Qhov no yog qhov kev xaiv tseem ceeb ntawm qhov sib txawv: yog tias qhov kev pabcuam yog tshuaj lom neeg acid nres hauv qab 650 degree, qib corrosion xws li C276 lossis C22 yog qhov tseeb alloy. Yog tias qhov kev pabcuam yog cua sov - lub cub tawg, lub tshuab hluav taws xob, lub tshuab hluav taws xob pyrolysis - Hastelloy X yog cov hlau alloy uas tus kws tsim qauv tsim mus txog. Ob tsev neeg sib tshooj tsuas yog nyob rau hauv ib tug nqaim band, thiab cov specification yuav tsum tau ua nyob rau hauv lub kub profile ntawm lub luag hauj lwm, tsis nyob rau hauv tus nqi.

 

Cov ntawv thov rau Hastelloy X phaj

Hastelloy X phaj tau teev tseg rau cov khoom uas nyob ntawm qhov kub thiab txias:

 

• Gas turbine combustion chambers, cov khoom hloov pauv, thiab cov khoom siv tom qab hlawv
• Lub tshuab hluav taws xob muaj lub tshuab hluav taws xob, muffles, retorts, thiab cua sov- kho pob tawb thiab khoom siv
• Jet engine combustor liners thiab tailpipe assemblies (AMS 5536 procurement)
• Petrochemical furnace internals thiab pyrolysis heater Cheebtsam
• Cov cuab yeej siv tshuaj lom neeg ua haujlwm hauv siab -kub oxidizing lossis txo cov cua
• Flash drier Cheebtsam thiab catalyst- daim phiaj txhawb nqa

 

Vuam thiab fabrication

Hastelloy X yog ib qho ntawm feem ntau fabricable siab - kub nickel alloys. Nws welds tau yooj yim los ntawm GTAW (TIG), GMAW (MIG), thiab tsis kam welding, siv cov khoom sib txuam hlau ntawm tib chemistry. Tsis tas yuav tsum tau preheat, thiab tsis muaj kev tshaj tawm -weld kho cua sov yuav tsum tau siv rau feem ntau cov kev pab cuam, vim hais tias lub alloy lub zog tsis yog nyob ntawm ib tug tshav kub- teb kev kho mob.

 

Cov hlau ua hauj lwm- hardens thaum lub sij hawm machining, yog li fabrication yuav tsum siv nruj setups, ntse tooling, thiab tswj tej ceev; plasma txiav feem ntau yog siv rau phaj profileing, ua raws li kev sib tsoo los yog machining ntawm ntug txiav qhov twg cov vuam sib txuas yuav tsum tau. Tom qab txiav, oxide txheej ntawm ntug yuav tsum tau muab tshem tawm ua ntej welding kom tsis txhob muaj nyob rau hauv lub vuam.

 

Kev tswj kom zoo thiab ntawv pov thawj

Hastelloy X phaj tau muab nrog rau daim ntawv pov thawj zeb xeem ntawv qhia txog cov cua sov chemistry, cov txiaj ntsig kev ntsuas tshuab, thiab kev xeem ua tiav. Rau AMS 5536 kev yuav khoom, daim ntawv pov thawj tseem lees paub ua raws li cov kev cai dav dav dav dav.

 

Cov txheej txheem kuaj pob suav nrog kev kuaj xyuas ultrasonic qhov twg qhov kev txiav txim yuav tsum tau, thiab pom zoo cov ntaub ntawv txheeb xyuas (PMI) tau pom zoo rau ntawm daim ntawv txais nyiaj, vim Hastelloy X yog qhov pom kev zoo ib yam li lwm cov high -nickel alloys thiab qhov sib txawv ntawm qhov sib txawv tsis pom los ntawm qhov muag. Cov ntawv pov thawj raug muab tso rau hauv EN 10204 3.1 lossis 3.2 raws li tau teev tseg, thiab kev tshuaj xyuas thib peb - tog yog npaj rau kev thov.

 

Hastelloy X phaj yog cov khoom tshwj xeeb kub siab -, thiab qhov kev txiav txim siab yuav nyob ntawm qhov kev pabcuam kub thiab cua, tsis yog ntawm tus nqi ib leeg. Thaum qhov kev nug tshwj xeeb UNS N06002, lub phaj yuav tsum raug txiav txim tawm tsam ASTM B435 lossis AMS 5536 nrog rau cov xwm txheej uas tau hais tseg, lub thickness thiab flatness yuav tsum tau muab qhia meej, thiab daim ntawv pov thawj daim ntawv pov thawj nrog rau qhov project QA txoj kev npaj.

 

 

 

Cim npe nrov: Hastelloy X phaj, UNS N06002, AMS 5536, ASTM B435, Hastelloy X daim ntawv, N06002 phaj, kub npib tsib xee alloy phaj, 2.4665