Umuyoboro wa ASTM B705 UNS N08825 (Incoloy 825) wa aloyi ya nikeli ivanze: Ubushobozi bwo gukora n'ibisobanuro by'ibicuruzwa Ishusho yagaragaye

Umuyoboro wa ASTM B705 UNS N08825 (Incoloy 825) wa Nikeli wometseho: Ubushobozi bwo gukora n'ibisobanuro by'ibicuruzwa

Ibisobanuro bigufi:

Womic Steel itanga umuyoboro wa nikeli wa ASTM B705 UNS N08825 (Incoloy 825) wometseho umuyoboro wa nikeli ukoreshwa mu bintu bikaze cyane birimo aside ikomeye (sulfuriki, fosiferi, nitrike), amazi yo mu nyanja, serivisi y’ibinure hamwe na H₂S nyinshi na kloride, hamwe n’ubushyuhe bwinshi. N08825 itanga imbaraga nkeya za 240 MPa (35.000 psi) n’imbaraga zo gukurura za 550 MPa (80.000 psi) hamwe n’ubushobozi bwiza bwo gukurura. Iyi aloyi irimo nikeli (38-46%), chromium (19.5-23.5%), molybdenum (2.5-3.5%), umuringa (1.5-3.0%), na titanium ihamye, itanga ubudahangarwa budasanzwe ku bidukikije, kwangirika kw’imirongo, no kwangirika kw’imitsi mu bidukikije bigabanya cyangwa bigabanya ogisijeni. Inganda zirimo ERW y’ibidukikije bito na EFW y’ibidukikije binini, haba hamwe n’uburyo bwo kwinjira neza no gushyushya nyuma yo gushyushya. Ubugari bwo hanze kuva kuri 6.35mm kugeza kuri 610mm (1/4″ – 24″) kuri ERW; kugeza kuri 1219mm (48″) kuri EFW/LSAW, ubugari bw'urukuta 0.5mm – 50mm, uburebure busanzwe kugeza kuri 12m, bukozwe mu buryo bwihariye kugeza kuri 18m. Icyemezo cy'uruganda, ikizamini cy'amazi, 100% UT, irangi ryakuwemo umuti n'iryakuwemo, impera zikozwe mu buryo buto cyangwa busanzwe zirahari. Bikwiriye inganda zikora aside sulfurike, ikorwa rya aside phosphorike, itunganywa rya lisansi ya kirimbuzi, serivisi yo gukamura ibikomoka ku bimera mu mazi (H₂S nyinshi + chloride), gukonjesha amazi yo mu nyanja (ubushyuhe bwinshi), amato y'ibinyabutabire, n'aho gukurura imyuka ihumanya (FGD).

Ingano y'umuyoboro wa aloyi ya nikeli ishongeshejwe:Ingano yo hanze: 6.35mm – 1,219mm (1/4″ – 48″), Ubunini bw'urukuta: 0.5mm – 50mm (Gahunda 5S, 10S, 40S, 80S), Uburebure: 6m – 12m bisanzwe, uburebure bwihariye kugeza kuri 18m

Igipimo n'Ingano by'Umuyoboro wa Nikeli Usutswe:ASTM B705 (umuyoboro ushongeshejwe) / ASTM B709 (umuyoboro ushongeshejwe) UNS N08825; na ASME SB-705; Ingana na Incoloy 825; Werkstoff 2.4858; EN 2.4858

Imikoreshereze y'Umuyoboro wa Nikeli Usutswe:Inganda zikora aside sulfuriki (oleum, H₂SO₄ yikubise, serivisi yo gukamura aside), gukora aside phosphorike (uburyo bwo gukamura amazi, ibikoresho biva mu kirere), gutunganya lisansi ya kirimbuzi (aside nitrike irimo fluoride), serivisi yo gukamura amazi mu mazi (igitutu kinini cya H₂S gifite chloride), sisitemu zo gukonjesha amazi yo mu nyanja zifite ubushyuhe bwinshi (50-80°C), amato y'ibinyabutabire n'imiyoboro y'imizigo (imiti itandukanye ikaze), imiyoboro y'amazi asohoka mu mazi (FGD), inganda zitunganya aside fluoride n'izivugurura aside, serivisi yo gukamura aside hydrofluoric (igabanya), gutunganya amazi yanduye (imyanda yo mu nganda ibora cyane), gukora peteroli na gazi hamwe na CO₂, H₂S, na chloride nyinshi (serivisi nziza kandi ikaranze)

Womic Steel itanga ibiciro byiza kandi bishimishije bya ASTM B705 UNS N08825 welded nickel alloy pipe, Incoloy 825 welded tube, CRA pipe, alloy anti-acide, nickel alloy pipe sour service. Icyemezo cy'uruganda EN 10204 3.1/3.2, hydro test, UT, solution annealed, beveled/plain ends, pickled finished finished. Itangwa ry'ibikoresho mu ruganda ku buryo butaziguye ku mishinga y'ibinyabutabire, nyukliya, mu nyanja, no mu nganda ku isi yose.

Ohereza imeri kuri twe Ibisobanuro by'ibicuruzwa

Ibisobanuro birambuye ku gicuruzwa

Ibirango by'ibicuruzwa

1. Womic Steel: Ubushobozi bwo gukora n'imbaraga z'ikigo

Womic Steel Group ni ikigo gikomeye mu gukora no kohereza ibicuruzwa mu mahanga ku isi gifite uburambe bw'imyaka irenga 20 mu gukora imiyoboro ya alloy irwanya ingese (CRA) irimo alloy za nickel, ibyuma bitagira ingese bibiri, na titaniyumu. Ikigo cyacu cyihariye cyo gukora imiyoboro ya nickel ikoreshwa mu gusudira gikoresha ikoranabuhanga rigezweho ryo kugenzura cyane uburyo ubushyuhe bushyirwamo ndetse no gutunganya ubushyuhe nyuma yo gusudira kugira ngo gikomeze kurwanya ingese n'imiterere yabyo:

●Umurongo wa ERW (Gusudira Ubudahangarwa bw'Amashanyarazi):Ku bijyanye n'umurambararo kuva kuri mm 6.35 kugeza kuri mm 610 (1/4″ – 24″), ubugari bw'urukuta kuva kuri mm 0.5 kugeza kuri mm 12.7. Gusudira hakoreshejwe frequency nyinshi hamwe n'ubushyuhe buke kugira ngo hirindwe gutandukanya. Ni byiza ku miyoboro mito kugeza kuri iringaniye ya N08825 yo gukoresha imiyoboro y'ibikoresho, gutera imiti, no gukoresha imiyoboro itunganya.

●Umurongo wa EFW (Electric Fusion Welding):Ku mpande z'umurambararo kuva kuri 219mm kugeza 1219mm (8″ – 48″), ubugari bw'urukuta kuva kuri 4.0mm kugeza 50mm. Inzira y'imizi ya TIG (GTAW) ifite inzira zo kuzuza za SAW, hakoreshejwe icyuma gihuye nacyo (ERNiCrMo-3 cyangwa ERNiCrMo-10) hamwe n'uburinzi bwa gaze idafite imyuka.

●Umurongo wa LSAW / SAWL ku byuma bikozwe muri Nickel Alloys:Ku murambararo kuva kuri mm 406 kugeza kuri mm 1524 (16″ – 60″), ubugari bw'urukuta bugera kuri mm 50. Gusudira arc y'amasahani ya nickel alloy hifashishijwe ubushyuhe bugenzurwa.

Imiyoboro yose ya nikeli ikoreshwa mu gusukura (gushyuha) kuri 980-1040°C, hagakurikiraho kuzimya amazi cyangwa gukonjesha umwuka vuba kugira ngo hagarurwe ubudahangarwa n’ingese no gushonga karubide cyangwa ibyuma bivanze n’ibyuma, hagakurikiraho gukaraba no gusimbuza.

Impamyabumenyi z'Ubuziranenge n'Iyubahirizwa ry'Amategeko:

● Icyemezo cya ISO 9001:2015

● PED 2014/68/EU (CE Marking) ku bikoresho bitanga umuvuduko

● Icyemezo cya EN 10204 3.2 gifite icyemezo cy’uruhande rwa gatatu (TÜV, BV, SGS, LR)

● Ubugenzuzi bw'Uruhande rwa Gatatu (TPI) bwemewe na SGS, BV, ABS, DNV, TÜV

● NACE MR0175 / ISO 15156 yo gutanga serivisi nziza (H₂S)

● Kode y'Ubwato bw'Ingufu za ASME n'Ubushyuhe (Ingingo ya VIII, Div. 1) iyo ubisabye

Womic Steel itanga imiyoboro ya nickel alloy welded mu bihugu birenga 30 bitandukanye birimo inganda zitunganya imiti, ifumbire mvaruganda, inganda za kirimbuzi n'izindi zo mu mazi.

Uburyo bworoshye bwo gukora:

● ERW: 6.35–610mm OD × 0.5–12.7mm WIT × ≤ 12m

● EFW: 219–1219mm OD × 4.0–50mm WIT × ≤ 12m (ndetse iyo ubisabye)

● LSAW: 406–1524mm OD × 6.0–50mm Uburemere × ≤ 18m

● Amahitamo yo kurangiza: Yakuwemo ibirungo n'ibitonore, yakuwemo ibirungo by'umuhondo (ku miyoboro mito)

2. ASTM B705 UNS N08825: Imiterere y'ibikoresho n'imikorere yabyo

UNS N08825 (Incoloy 825) ni aloyi ya nickel-iron-chromium irimo molybdenum, umuringa, na titaniyumu. Yagenewe gutanga ubudahangarwa bwiza kuri aside igabanya cyangwa igabanya ogisijeni, ndetse no kurwanya corrosion iterwa na chloride-induced stress corrosion cracking (SCC) no gushonga. Kongeramo titaniyumu bituma aloyi ikomeza gutuza nyuma yo gusudira (nk'uko bimeze ku byuma bitagira umugese). Ingano nini ya nickel (38-46%) itanga ubudahangarwa bwiza kuri chloride SCC, mu gihe chromium na molybdenum bitanga ubudahangarwa bwo gutuza. Umuringa wongera ubudahangarwa kuri aside sulfuric na phosphoric.

Ibikubiye mu binyabutabire (Isesengura ry'inkombe, % ku bunini):

Igice	UNS N08825 (ASTM B705)
C	≤ 0.050 (ubusanzwe ≤ 0.025)
Mn	≤ 1.00
P	≤ 0.030
S	≤ 0.030
Si	≤ 0.50
Cr	19.5 – 23.5
Ni	38.0 – 46.0
Mo	2.5 – 3.5
Cu	1.5 – 3.0
Ti	0.6 – 1.2
Al	≤ 0.20
Fe	Kuringaniza

Imiterere ya mekanike (Ubushyuhe bw'icyumba, Umuti washyizwemo):

Umutungo	UNS N08825
Imbaraga z'umusaruro (uburemere, 0.2% by'igabanuka)	240 MPa (35,000 psi)
Imbaraga zo Gufata (iminota)	550 MPa (80.000 psi)
Uburebure (ubugari bwa minini, 50mm)	30%
Ubukomere (busanzwe)	75-85 HRB

Imiterere ifatika:

● Ubucucike: 8.14 g/cm³

● Uburyo bwo guhagarara: 195 GPa (28.3 × 10⁶ psi)

● Uburyo bwo gutwara ubushyuhe: 11.1 W/m·K kuri 100°C

● Koreji yo Kwagura Ubushyuhe: 14.0 × 10⁻⁶/°C (20-100°C)

Ubudahangarwa ku ngaruka:

● Irwanya aside sulfuriki neza cyane mu buryo butandukanye (kugeza kuri 96% ku bushyuhe buringaniye)

● Ubudahangarwa budasanzwe kuri aside fosforike (uburyo butose) irimo kloride na fluoride

● Ubudahangarwa bwiza kuri aside nitrike na aside organic

● Ubudahangarwa bwiza bwo kwangirika kw'ingufu za chloride stress (SCC)

● Irwanya ingese mu miyoboro no mu miferege mu duce twa chloride (PREN ≈ 30-35)

● Irwanya ingese hagati y'udusimba nyuma yo gusudira (titanium irahamye)

● Ikwiriye serivisi ishyushye (NACE MR0175) kugeza ku gitutu kinini cya H₂S

Imipaka yo kwangirika (Hafi):

● Aside ya Sulfurike (H₂SO₄): ikoreshwa kugeza kuri 96% by'ubushyuhe bw'icyumba; ikoreshwa mu gihe ishyushye.

● Aside ya fosiforike (H₃PO₄): nziza cyane kugeza kuri 80% kuri 100°C

● Aside ya Hydrochloric (HCl): igarukira ku gushonga (< 5%) ku bushyuhe bw'icyumba

● Aside nitrike (HNO₃): nziza kugeza kuri 40% ku bushyuhe buringaniye

3. Iyubahirizwa ry'ibipimo n'amahame ngenderwaho

Ikintu	Ibisobanuro
Igisanzwe	ASTM B705 / ASME SB-705 (umuyoboro); ASTM B709 (umuyoboro)
Uburyo bwo gukora	ERW, EFW, LSAW
Intera y'Ubugari bwo Hanze	ERW: 6.35 - 610mm; EFW / LSAW: 219 - 1524mm
Ubunini bw'urukuta	ERW: 0.5 - 12.7mm; EFW / LSAW: 4.0 - 50mm
Ingano y'ingengabihe	5S, 10S, 40S, 80S (kuri NPS 1/8″ – 48″)
Intera y'uburebure	Igisanzwe: 6m; Yagutse: 12m, 18m, kugeza kuri 18m (ndende iyo ubisabye)
Irangizwa rya nyuma	Iherezo Risanzwe (PE), Iherezo Rifite Imirongo Igororotse (BE)
Kurangiza ubuso	Yakuwemo ibinure n'ibitonore, Yakuwemo ibinure by'akataraboneka
Kwihanganirana	OD: ± 0.5% cyangwa ± 3.2mm; Uburemere: ± 12.5% (kuri ASTM B775); Uburebure: +50mm / -0mm

4. Ingano n'Ibisobanuro bihari – Umuyoboro wa ASTM B705 UNS N08825 Welded Nickel Alloy (Ingano zisanzwe zatoranijwe)

NPS	OD (mm)	Gahunda	Uburemere (mm)	Uburemere (kg/m2)	Uburebure Busanzwe	Uburyo busanzwe bwo gukoresha
1/2″	21.3	40S	2.77	1.27	6m	Gutera imiti
3/4″	26.7	40S	2.87	1.69	6m	Imirongo y'ibikoresho by'ikoranabuhanga
1″	33.4	40S	3.38	2.50	6m	Imirongo yo kongerera aside
1-1/2″	48.3	40S	3.68	4.05	6m	Imiyoboro ikoreshwa mu gutunganya
2″	60.3	40S	3.91	5.44	6m / 12m	aside sulfuriki
3″	88.9	40S	5.49	11.3	6m / 12m	aside fosiforike
4″	114.3	40S	6.02	16.1	6m / 12m	Imiyoboro y'ibikoresho by'umwuka
6″	168.3	40S	7.11	28.3	6m / 12m	Isoko rya FGD
8″	219.1	40S	8.18	42.6	Metero 12	Umurongo w'ibiryo biryoshye byo mu mazi
10″	273.0	40S	9.27	60.3	Metero 12	Kuvugurura aside
12″	323.9	40S	10.31	79.8	Metero 12	Umutwe mukuru w'aside
16″	406.4	40S	12.70	123.4	Metero 12	Gutunganya ibikoresho bya kirimbuzi
20″	508.0	40S	15.09	183.5	Metero 12	Ubunini bw'umurambararo
24″	609.6	40S	17.48	255.5	Metero 12	Porogaramu yihariye

*Ingano zihariye ziboneka hanze y’izi ntera. Imiyoboro ya N08825 ishongeshejwe ikenera igihe kirekire cyo kuyikoresha (nibura iminsi 60) bitewe n’uburyo bwihariye bwo kuyikoresha mu gukata/gushyiramo ibyuma.*

5. Amahame n'Ibyiciro bisanzwe bya Nickel Alloy byakozwe na Womic Steel

Igisanzwe	Ingano z'icyuma / Alloy	Uburyo busanzwe bwo gukoresha	Uburyo bwo gusudira
ASTM B705	UNS N08825 (Incoloy 825)	Sulfuriki, aside fosforike	EFW/LSAW/ERW
ASTM B709	UNS N08825	Umuyoboro w'amazi, umuyoboro uhindura ubushyuhe	ERW
ASTM B619	UNS N06022 (Hastelloy C-22), N10276 (C-276)	Bingiza cyane	EFW/LSAW
ASTM B622	UNS N06022, N10276	Imodoka	ERW
ASTM B464	UNS N08020 (Aloyi 20)	aside sulfuriki	EFW
ASTM B729	UNS N08020	Imodoka	ERW

Ikoreshwa:Inganda zikora aside (H₂SO₄, H₃PO₄, HNO₃), gutunganya no gutunganya ibinyabutabire bya kirimbuzi, serivisi yo gukamura ibinyabutabire mu mazi, FGD, amato y'ibinyabutabire.

6. Uburyo bwo gukora - Umuyoboro wa Nikeli wometseho (ERW, EFW, LSAW)

Gusudira aloyi ya nikeli bisaba kugenzura neza uburyo ubushyuhe bwinjiramo no gutunganya ubushyuhe nyuma yo gusudira kugira ngo hakomeze kubaho ubukana bwa ingese. Aloyi 825 irahamye, ariko ubushyuhe bwinshi bushobora gutera ubukana cyangwa gutandukanya ibintu.

Uburyo bwo gusudira ERW (Gusudira Ubudahangarwa bw'Amashanyarazi) – Ubugari Buto Kuva Kuri Hagati (6.35–610mm OD):

●Igenzura ry'ibikoresho fatizo (Umurongo/Umwobo):Agace k'icyuma cya nikeli kagenzuwe ku bigize N08825 (Ni 38-46%, Cr 19.5-23.5%, Mo 2.5-3.5%, Cu 1.5-3.0%, Ti 0.6-1.2%). Buri koyili ifite umubare wihariye w'ubushyuhe hamwe n'uburyo bwose bwo gukurikirana.

●Gufungura no Kugorora

●Gukata Inkombe z'Imirongo

●Gukora:Gutunganya imizingo mu buryo buhoraho.

●Gusudira inshuro nyinshi:Ingufu nke zinjira mu bushyuhe (≤ 1.2 kJ/mm) kugira ngo hirindwe gutandukana kw'ibintu. Gusudira mu kirere kidakora neza (argon shielding) kugira ngo hirindwe ogisijeni.

●Gufunga umushongi:Gutera induction annealing bikurikirwa no gukonjesha vuba.

●Ingano no Kugorora

●Gukata kugeza ku burebure

●NDT:Ikizamini cya Eddy current (100%) + UT y'ubushake.

●Gufunga umuti (Umuyoboro wuzuye):980-1040°C, kuzimya amazi (cyangwa guhumeka vuba). Ni ngombwa kugira ngo wongere ubudahangarwa n'ingese.

●Ikizamini cy'amazi

●Guteka no gushyuha(gukoresha uruvange rwa aside rwihariye mu gukora aloyi za nikeli)

●Igenzura rya PMI (XRF) na Ferrite (nta ferrite iri muri aloyi ya nikeli)

●Igenzura rya nyuma n'ibimenyetso

Uburyo bwo gusudira hakoreshejwe EFW (Electric Fusion Welding) – Ubugari bunini (219–1219mm OD, 4.0–50mm WIT):

●Gutegura isahani:Isahani ya aloyi ya nikeli, impande zayo zikozwe mu buryo bwa X (bevel).

●Gukora imizingo

●Gusudira ku mpande

●TIG (GTAW) Root Pass:Icyuma gihuza ibyuma (ERNiCrMo-3 cyangwa ERNiCrMo-10), gaze ishyigikira argon hamwe n'umwuka wa ogisijeni.

●Impamyabumenyi zo kurangiza SAW n'izijyanye n'umusozo:Ubushyuhe buke (≤ 1.5 kJ/mm), ubushyuhe bwo hagati ≤ 150°C. Guhindagurika kwihariye ku byuma bikozwe muri nikeli (sulfure nkeya).

●Inner Weld (ku budahe bunini)

●100% RT + UT(kuri ASTM B775)

●Gufata umuti:Gukoresha ubushyuhe bwose bw'imiyoboro (980-1040°C), kuzimya amazi.

●Guteka no gushyuha

●Ikizamini cy'amazi

●Igenzura rya PMI n'ibipimo

●Gushyira ikimenyetso

Uburyo bwa LSAW bwo gukoresha aloyi za nikeli – Umurambararo munini cyane (406–1524mm OD, 6.0–50mm WIT):

● UOE cyangwa JCOE bikozwe mu gice cy'icyuma cya nikeli

● Gusudira SAW ku mpande ebyiri hamwe n'ubushyuhe buke

● Gutera umuti wose nyuma yo gusudira

Ingingo z'ingenzi zo kugenzura ubushuhe bwa N08825:

● Ingufu zikoreshwa mu gushyushya: ≤ 1.5 kJ/mm (intego ≤ 1.2 kJ/mm)

● Ubushyuhe bw'aho unyura: ≤ 150°C

● Gazi yo kurinda: Argon (100%) kuri TIG; argon + heliyumu kuri SAW

● Gusukura: Gukuraho amavuta neza mbere yo gusudira (aloyi za nikeli zishobora kwangirika kuri sulfure na lisansi)

● Gutera umuti: 980-1040°C, amazi yo kuzimya - ni ngombwa.

● Nta feri mu byuma bisudira (imashini zisudira nikeli zisudira neza)

7. Uburyo bwo kugenzura no gupima ubuziranenge bw'umuyoboro wa ASTM B705 UNS N08825 Welded Nickel Alloy Pipe

Urugendo	Uburyo bwo kugenzura	Intego
Ibikoresho fatizo	Isesengura ry'ibinyabutabire (OES cyangwa ICP)	Kugenzura imipaka N08825 (Ni, Cr, Mo, Cu, Ti, Fe)
Ibikoresho fatizo	Isuzuma ry'umukandara	Umusaruro ≥ 240 MPa, Gufata ≥ 550 MPa
Ibikoresho fatizo	Ubukomere	75-85 HRB isanzwe
Ibikoresho fatizo	Ikizamini cya ruswa (ASTM G28)	Ubudahangarwa bw'ubushyuhe hagati y'udukoko (kugira ngo habeho aside ikomeye)
Muri gahunda	Gukurikirana Ibyinjira mu Bushyuhe	≤ 1.5 kJ/mm
Muri gahunda	Ubushyuhe bwo hagati y'inzira	≤ 150°C
Gusudira (ERW)	Umuyoboro wa Eddy (100%)	Ubusudizi bw'ubudozi
Gusudira (EFW/LSAW)	100% UT (cyangwa PAUT)	Kumenya inenge zo gusudira
Gusudira (EFW/LSAW)	RT (10-100% kuri buri gipimo)	Ubwiza bw'ubushude
Gusudira	Irangi rivamo irangi (PT)	Uduce tw'ubuso
Nyuma yo Gufata Umuti	Ikizamini cy'Ubukomere	Emeza imiterere y'umuti urimo gushyuha
Umuyoboro warangiye	Ikizamini cy'amazi	Ubusugire bw'igitutu
Umuyoboro warangiye	PMI (XRF)	Emeza amanota (Ni, Cr, Mo)
Umuyoboro warangiye	Ikizamini cya ruswa (ASTM G28 Practice A)	Ubudahangarwa bwa IGC (niba bwaragaragajwe)
Umuyoboro warangiye	Ishusho n'Ibimenyetso	Gukurikirana

Ibizamini by'ubushake kuri serivisi z'ingenzi:

● ASTM G28 Practice A (50% H₂SO₄ – ferric sulfate) yo kurwanya ingese hagati y'udukoko

● Ikizamini cya ASTM G48 cyo gupima imiyoboro (muri FeCl₃, 6% kuri 40°C) cyo gusuzuma uburyo imiyoboro ya chloride irwanya imiyoboro

● Gupima serivisi ya sour kuri HIC/SSC (NACE TM0284, TM0177)

● Ikizamini cyo gukurura ubushyuhe buri hejuru (urugero, kuri 300°C)

● Igipimo cya Ferrite (kigomba kuba < 1% ku byuma bikozwe muri nikeli)

8. Porogaramu z'ibanze – Umuyoboro wa ASTM B705 UNS N08825 wa Nikeli wometseho

●Ibimera bya aside sulfuriki:Gufata oleum (H₂SO₄ + SO₃), aside yivanze (96-98%), aside igabanya ubushyuhe (5-10%), n'imiyoboro ikonjesha aside. Bisimbura ibyuma bitagira umugese bihinduka vuba.

●Gukora aside fosiforike (uburyo bwo gutoha):Imashini zishyushya ibintu, imashini zikonjesha, n'imashini zikoresha aside fosforike zikoresha korode na fluoride. Alloy 825 irwanya imihindagurikire y'ikirere ndetse n'igabanya imihindagurikire y'ikirere.

●Gutunganya ibikomoka kuri lisansi ya kirimbuzi:Gukoresha lisansi ya kirimbuzi yakoreshejwe ivanze na aside nitrike hamwe na fluoride. N08825 irwanya ingese muri iki gihe gikaze cyane (ikoreshwa mu nganda za Magnox na THORP).

●Serivisi yo gucuruza mu mahanga:Umusaruro wa peteroli na gaze hamwe n'umuvuduko mwinshi wa H₂S (kugeza kuri bar 10) hamwe na chloride nyinshi n'ubushyuhe bugera kuri 200°C. NACE MR0175 yujuje ibisabwa.

●Gukonjesha amazi yo mu nyanja (ubushyuhe buri hejuru):Sisitemu z'amazi akonjesha mu nganda zitunganya amazi no mu nganda zitanga amashanyarazi aho ubushyuhe bw'amazi yo mu nyanja burenze 45°C (aho 2205 ndetse na super duplex bishobora gukurura). N08825 irwanya gushyuha kugeza kuri 80°C.

●Imiyoboro y'amazi asohoka mu ifuru (FGD):Munsi y'ibinyabutabire bigabanya umwuka aho haba hari imyuka itose irimo aside nyinshi muri korode. Alloy 825 ni yo ikoreshwa mu gusohora imiyoboro y'amazi n'imiyoboro ifunganye.

●Amato y'ibinyabutabire:Imiyoboro y'imizigo ku binyabutabire bikomeye birimo aside sulfuriki, aside phosphoriki, na aside organic. N08825 yemewe n'ibigo bikomeye bitwara abagenzi mu by'imiti.

●Ibimera byo gusya no kuvugurura aside:Aside hydrochloric (igabanya ubushyuhe) n'imirongo yo gukusanya aside ivanze kugira ngo ikoreshwe mu byuma bitangiza ibyuma.

●Gutunganya amazi yanduye:Imyanda yo mu nganda ihumanya cyane iva mu nganda zikora imiti (aside ivanze, ibyuma biremereye, kloride).

9. Gupakira no Kohereza – Umuyoboro wa ASTM B705 UNS N08825 Welded Nickel Alloy Pipe

Gupfunyika:

●Ubwirinzi bwo kurwanya ingese:Igipfunyika cya pulasitiki cyangwa impapuro za VCI. Ku bijyanye n'imiti, nta bisigazwa by'amavuta byemewe (gupfunyika neza).

●Ingofero z'inyuma:Udupfundikizo twa pulasitiki dukomeye (dufite ibara ry'umuhondo - ubusanzwe ni ibara ry'umuhondo kuri N08825).

●Guhuza (Ubugari buto):Buri muyoboro upfunyitse ukwawo, hanyuma ugahambirwa imigozi itari iy'icyuma (wirinde ko imigozi y'icyuma ikoraho kugira ngo wirinde kwanduzanya).

●Udupaki twihariye (Ubugari bunini):Igipfunyika cya pulasitiki kirimo impeta za foam hagati y'imiyoboro.

●Amasanduku y'ibitiku bikorwa by'ingenzi (nk'ingufu za kirimbuzi, imiti).

Kohereza:

● Ibikoresho bifite uburebure bwa ≤ 610mm, bigabanya ubunini bw'umurambararo munini.

●Inyandiko:MTC 3.1/3.2 (EN 10204), raporo y'ibizamini bya hydrotest, raporo za UT/RT, raporo ya PMI, raporo y'ibizamini bya corruption (ASTM G28 niba byavuzwe), raporo y'ibipimo, urutonde rw'ibipakiye, COO. Uburyo bwose bwo gukurikirana kuva ku mubare w'ubushyuhe kugeza ku muyoboro warangiye.

10. Ibyiza n'Ibibazo Bikunze Kubazwa mu byuma bya Womic Steel – ASTM B705 UNS N08825 Umuyoboro wa Nickel Alloy Welded

Kuki wafatanya na Womic Steel mu gukwirakwiza umuyoboro wa N08825?

● Ingano yuzuye: ERW 1/4″ – 24″, EFW/LSAW 8″ – 48″.

● Gufunga byuzuye nyuma yo gusudira (980-1040°C, amazi yo kuzimya).

● Gupima ingese hagati y’udukoko kuri ASTM G28 birahari (ni ngombwa kugira ngo serivisi ya aside ikoreshwe).

● Icyemezo cya NACE MR0175 cy'uko serivisi ishyushye.

● Kugenzura neza ubuziranenge - nta feri mu byuma bisudira.

● Igihe cyo guhatana ku miyoboro ya nikeli: iminsi 60-75 kuri ERW, iminsi 75-90 kuri EFW.

Ibibazo Bikunze Kubazwa (Ibibazo Bikunze Kubazwa) - Umuyoboro wa ASTM B705 UNS N08825 Usudiye

Q: Ni irihe tandukaniro riri hagati ya Incoloy 825 (N08825) na Alloy 20 (N08020)?
A: Byombi bikoreshwa mu gutanga serivisi ya aside sulfuriki. Alloy 20 (N08020) ifite nikeli nkeya (32-38%) na chromium nyinshi (19-21%) hamwe n'umuringa. N08825 ifite nikeli nyinshi (38-46%) na molybdenum (2.5-3.5%) hamwe no gukomeza titanium. N08825 ifite ubudahangarwa bwiza ku bidukikije na chloride SCC kandi ikwiriye gutanga serivisi ya sour (H₂S). Alloy 20 ihendutse cyane kuri aside phosphoric kandi igabanya aside sulfuriki idafite chloride. N08825 ikunze kugenwa mu bihe bikomeye.

Q: Ese N08825 irwanya aside sulfuriki ku rugero rwose?
A: No. N08825 ni nziza cyane kuri aside sulfurike kugeza kuri 60% ku bushyuhe bugera kuri 100°C, no ku bushyuhe buri hagati ya 85-96% ku bushyuhe bw'icyumba. Mu gipimo cyo hagati (60-85%) no ku bushyuhe bwinshi, igipimo cya corruption gishobora kuba kinini. Ku bushyuhe bwinshi H₂SO₄ (> 90%, > 150°C), hashobora kuba ngombwa gukoresha alloys zidasanzwe nka Hastelloy C-276. Buri gihe reba imbonerahamwe ya corruption kugira ngo umenye imiterere yihariye.

Q: Ese N08825 ikenera kuvurwa ubushyuhe nyuma yo gusudira nyuma yo gusudira?
A: Ku bikorwa byinshi, N08825 ishobora gukoreshwa mu buryo bwo gusudira kuko guhagarara kwa titaniyumu bibuza kumva neza. Ariko, ASTM B705 isaba gusudira ubushyuhe (gutunganya ubushyuhe) kugira ngo imiyoboro isukuye ihuze n'imiterere ya mekanike no kurwanya ingese. Womic ikora gusudira ku miyoboro yose isumiye. Ku gusudira mu murima, nta PWHT ikenewe kuri N08825.

Q: Ni ubuhe buryo bwo gusudira busabwa kuri N08825?
A: AWS A5.14 ERNiCrMo-3 (Inconel 625) cyangwa ERNiCrMo-10 (Inconel 622) zikunze gukoreshwa mu gusudira N08825. Imashini ihuza nayo ni ERNiCrMo-3. Womic ikoresha ERNiCrMo-3 mu gutunganya EFW. Ku gusudira mu murima, ni byiza gukoresha icyuma kimwe.

Q: Ese N08825 ishobora gukoreshwa mu gutanga serivisi zo mu mazi yo mu nyanja?
A: Yego. N08825 ifite ubushobozi bwo kurwanya ingese n'ibihombo mu mazi yo mu nyanja, ndetse no mu bushyuhe buri hejuru (kugeza kuri 80°C). Ikunze gukoreshwa mu buryo bwo gukonjesha amazi yo mu nyanja mu nganda zitunganya amabuye y'agaciro no mu nganda zitanga amashanyarazi zo ku nkengero z'inyanja aho super duplex (2205) ishobora guhura n'ibihombo mu bushyuhe bwinshi. Ariko, ku ikoreshwa ry'amazi yo mu nyanja, duplex cyangwa super duplex irahagije kandi ihendutse. N08825 isanzwe igenewe sisitemu z'amazi yo mu nyanja zifite imiti y'inyongera ihumanya (urugero: amazi yo mu nyanja afite chlorine, kwanduzwa n'aside).

Q: Ese N08825 ikwiriye serivisi ya sour (H₂S)?
A: Yego. N08825 yujuje ibisabwa hakurikijwe NACE MR0175/ISO 15156 mu gutanga serivisi y’ubushyuhe hamwe n’umuvuduko wa H₂S ugera kuri bar 1 (15 psi) no hejuru, bitewe n’uburyo bwo kugenzura ubukana. Ikunze gukoreshwa mu miyoboro yo mu mazi, inzira z’amazi, no mu miyoboro yo gutunganya mu mirima ya peteroli na gaze aho duplex 2205 idahagije bitewe na H₂S nyinshi cyangwa chloride.

Q: Ni ryari igihe gisanzwe cyo gukoresha umuyoboro wa UNS N08825 uhujwe?
A: Iminsi 60-75 kuri ERW (ubugari buto kugeza ku buringanire), iminsi 75-90 kuri EFW/LSAW (ubugari bunini). Igihe cy'ubugari ni kirekire kurusha icy'ibyuma bitagira umugese kuko agace k'icyuma/isahani gakorwa mu bwinshi buto hamwe n'igihe kirekire cy'ubugari. Igenzura ry'abandi ritanga iminsi 7-14. Gutumiza vuba (iminsi 45-60) bishobora gushoboka ku bunini busanzwe niba ibikoresho biri mu bubiko.

Q: Ni ubushyuhe ntarengwa bwo gukora kuri N08825 ni ubuhe?
A: N08825 ishobora gukoreshwa mu buryo buhoraho kugeza kuri 550°C (1020°F) mu bintu bitarimo aside. Ku bijyanye no kwangiza, ubushyuhe ntarengwa bugengwa na corrodent. Muri aside sulfurike, serivisi ikunze kugengwa na <100°C; muri aside phosphoric kugeza <150°C. Ku bijyanye no gukora oxidizing mu bushyuhe bwinshi, alloys zifite chromium nyinshi (nka Alloy 600, 601, cyangwa 625) zirasabwa.

Icyitonderwa cy'umushinga - Imashini ihindura ibimera bya aside sulfuriki yo muri Amerika y'Amajyaruguru n'imiyoboro isimbura

Igihugu:Leta Zunze Ubumwe za Amerika (Louisiana, ikigo cy’ibinyabutabire cyo ku nkombe ya Gulf Coast)
Igipimo n'Icyiciro:ASTM B705 UNS N08825 (Incoloy 825)
Ingano n'ingano:

● OD 219.1mm (8″) × Gahunda ya 40S (8.18mm WIT) – metero 600 (hafi toni 20) – Uburyo bwa EFW

● OD 168.3mm (6″) × Gahunda ya 40S (7.11mm WIT) – metero 400 (hafi toni 10) – Uburyo bwa EFW

● OD 88.9mm (3″) × Gahunda 40S (5.49mm WIT) – metero 800 (hafi toni 8) – Uburyo bwa ERW

● OD 60.3mm (2″) × Gahunda 80S (5.54mm WIT) – metero 1.000 (hafi toni 6) – Uburyo bwa ERW
Igiteranyo:Metero 2.800, hafi toni 44

Ibisobanuro:Ingano z'umuti wa ASTM B705 UNS N08825 zakuwemo amazi n'ibinyampeke, zikozwe mu mitobe. Isuzuma rya Hydrostatic. 100% UT ku miyoboro ya EFW, umuyoboro wa eddy + UT kuri ERW. PMI kuri buri muyoboro. Isuzuma rya corruption ritegetswe hagati y'uduce duto kuri ASTM G28 Practice A (uburyo bwa aside sulfate-sulfuric) – igipimo cya corruption kiri munsi ya 10 mpy (mil ku mwaka). Isuzuma rya aside hydrofluoric rirwanya (umukiriya wihariye). Isuzuma rya gatatu ryakozwe na SGS USA.

Porogaramu:Gusimbuza imiyoboro ya aside reboiler n'imirongo ijyanye nayo mu ruganda ruvugurura aside sulfurike. Uruganda rugarura aside sulfurike yakoreshejwe mu byuma bya alkylation (refinery) binyuze mu kubora no kongera kuyihindura. Imiyoboro ikora aside sulfurike ishyushye (85-95% H₂SO₄) kuri 150-200°C mu gice cyo kongeramo, no gusya aside (5-10% H₂SO₄) kuri 80-100°C mu gice cyo kuzimya. Imiyoboro ya Alloy 20 (N08020) yabanje kwangirika nyuma y'imyaka 4 bitewe no kwangirika no gucika kw'ibinure. N08825 yatoranijwe kubera ko irwanya aside ikomeye n'iyoroheje, ndetse no gutuma ikomeza gukora neza kwa titanium.

Ibibazo bya tekiniki n'ibisubizo:

●Aside sulfuriki yiganjemo ubushyuhe bwinshi (85-95%, 150-200°C)– Alloy 20 irangirika ku gipimo kiri hejuru ya 50 mpy muri ubu buryo. N08825 ifite imiterere ya annealed y'umuti n'icyuma gikwiye yatanze igipimo cya corruption < 5 mpy mu igeragezwa rya ASTM G28 no mu gisubizo cy'umukiriya cyakozwe mu buryo bwa simulated (85% H₂SO₄ kuri 180°C, amasaha 336). Womic yatanze raporo z'ibizamini by'uruganda na coupons zo gupima corruption.

●Ingaruka zo kwangirika hagati y'ibice by'ibumba nyuma yo gusudira– Nubwo N08825 idahinduka, ubushyuhe budahagije mu gihe cyo gukora bushobora gutera imvura ya chromium carbide ku mbibi z'ingano. Ubushyuhe bwa Womic bugenzurwa na weld bugera kuri ≤ 1.2 kJ/mm kandi bukora isuzuma ryuzuye ry'umuti nyuma yo gusudira. Ikizamini cya ASTM G28 ku bipimo byo gusudira cyagaragaje ko igipimo cya corrosion kiri hagati ya 4-7 mpy (munsi cyane y'umupaka wa 10 mpy).

●Impamyabushobozi yo gusudira mu murima– Itsinda rishinzwe kubungabunga uruganda ryagombaga gukora imirimo yo gusana imirima. Womic yatanze ama-coupons 20 yo gusudira ya santimetero 6 ya Schedule 40S hamwe na WPS isabwa: GTAW hamwe na ERNiCrMo-3 filler, 100% argon backing, interpass ≤ 150°C. Ama-coupons yatsinze ikizamini cya radiography, PT, na ASTM G28. Itsinda rishinzwe gusudira ry’umukiriya ryagaragaje uburyo bwo gukora.

●Igenzura rya PMI - gutandukanya N08825 n'ibishushanyo byo hasi– Ingaruka zo kuvanga N08825 na Alloy 825 (UNS imwe) ugereranije na Alloy 625 (ibiyigize bitandukanye). Womic yakoze XRF kuri buri muyoboro kandi buri muyoboro yandikaho ibirango by'amabara (orange kuri 825). Nta ruvange rwabayeho.

●Ibikoresho mu gihe cy'impinduka ziteganyijwe (gufunga ibyumweru 4)– Imiyoboro yoherejwe iva i Shanghai ijya i New Orleans, hanyuma ijyanwa mu gace ka Louisiana. Toni 44 zose zatanzwe iminsi 10 mbere y’uko igikorwa cyo kuyitunganya gitangira. Womic yatanze ibyemezo byemewe by’inganda (EN 10204 Type 3.2) na raporo z’ibizamini bya corruption mbere y’igihe kugira ngo byemezwe n’umukiriya.

Ibisubizo:Uruganda ruvugurura aside rwongeye gutangira gukora neza nyuma yo kuvugurura. Nyuma y'amezi 12 rukora, igenzura ry'imiyoboro ya N08825 ryagaragaje ko nta kwangirika gushoboka, nta gucikagurika, kandi nta n'igitero kiri hagati y'udusimba. Umukiriya yavuze ko imiyoboro mishya izamara imyaka irenga 15 (ugereranije n'imyaka 4 kuri Alloy 20). Womic Steel yongewe ku rutonde rw'ibikoresho byemewe n'uruganda kugira ngo bihabwe serivisi zo gusimbuza aside mu gihe kizaza.

Umuntu wo kuvugana nawe:
Urubuga: www.womicsteel.com
Imeri: sales@womicsteel.com

Terefone / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568

Womic Steel – Umufatanyabikorwa wawe wizeye w’imiyoboro ya nickel ya ASTM B705 UNS N08825 ikoreshwa mu nganda za aside sulfuriki na fosiforike, gutunganya no gutunganya ibyuma bya nyukiliya, serivisi yo gukamura amazi mu mazi, ndetse n’ikoreshwa ry’amazi yo mu nyanja mu bushyuhe bwinshi ku isi.