Paịpụ ígwè X65MS+Incoloy 825 nke ígwè bimetal | Ọrụ gbara ụka CRA nke e ji ígwè rụọ maka gburugburu ebe obibi H₂S na CO₂ – Foto a na-egosi na ígwè Womic

Paịpụ ígwè X65MS+Incoloy 825 nke ígwè bimetal | Ọrụ gbara ụka CRA nke e ji ígwè rụọ maka gburugburu ebe obibi H₂S na CO₂ – Womic Steel

Nkọwa Dị Mkpirikpi:

Paịpụ Mpụta (Ígwè Ndabere):API 5L X65MS (PSL2) - ọkwa ọrụ gbara ụka, obere carbon, obere sọlfọ, ike a na-achịkwa, SSC na-eguzogide

Ihe mkpuchi ime (CRA Cladding):Incoloy 825 (UNS N08825) – nickel iron chromium alloy nwere molybdenum, copper, titanium; ezigbo iguzogide H₂S, CO₂, chlorides, na acid ndị na-ebelata acid

Oke nha:OD 219mm – 1016mm (8″ – 40″); Okpukpu mgbidi ígwè dị n'azụ 10mm – 30mm; Okpukpu mkpuchi 2.0mm – 3.5mm; Ogologo otu ruo 18m (omenala 24m dị)

Usoro Mmepụta:Njikọ mpịakọta ọkụ + nhazi JCOE - ike ịkpụ njikọ njikọ metallurgical ≥200 MPa; mkpuchi njikọta na akwa

Ụkpụrụ na Asambodo:API SPEC 5LD (Ọkpọkọ ígwè CRA Clad), DNV-OS F101, NACE MR0175 / ISO 15156 (dabere na SSC/HIC), ISO 13623. Asambodo igwe EN 10204 Ụdị 3.1/3.2. Nnyocha nke ndị ọzọ (SGS, BV, DNV, TÜV, ABS, LR) dị.

Ngwa:Paịpụ gas mmiri mmiri, sistemụ nchịkọta gas H₂S dị elu, olulu mmiri a na-etinye gas acid (ebe mmiri na-asọfe n'elu), eriri nri osisi Claus sulfur, nnukwu nrụgide nke mkpofu mmiri CO₂−H₂S.

Womic Steelna-enye paịpụ X65MS+Incoloy 825 nke ejiri ígwè kpụọ - ihe ngwọta a nwapụtara maka ọrụ siri ike. Ígwè nkwado na-ezute ike siri ike nke NACE MR0175 ≤248 HV; Ígwè mkpuchi Incoloy 825 na-eguzogide nchara SSC, HIC, na H₂S/CO₂/Cl⁻ izugbe. Edebere ya nke ọma ma dị njikere inyocha ndị ọzọ.

Zitere anyị ozi-e Nkọwapụta Ngwaahịa

Nkọwa Ngwaahịa

Akara Ngwaahịa

1. Nchịkọta - Ihe kpatara X65MS+Incoloy 825 ji arụ ọrụ Sour

Mmiri mmiri mmiri - nke nwere hydrogen sulfide (H₂S), carbon dioxide (CO₂), na ọtụtụ mgbe chlorides - bụ otu n'ime gburugburu ebe kacha sie ike maka paịpụ ígwè carbon. Ígwè X65 nkịtị na-ada ngwa ngwa n'ihimgbawa nrụgide sulfide (SSC)naMgbawa nke hydrogen induced (HIC).

Paịpụ bimetal nke X65MS+Incoloy 825emebere ya kpọmkwem maka ọnọdụ ndị dị otu a:

● Mpụta X65MS azụ ígwèbụ ụdị X65 nke agbanwere ka ọ dị nro. O nwere obere carbon (≤0.10%), obere sulfur (≤0.002%), na ike a na-achịkwa (≤248 HV) iji guzogide SSC na HIC dịka NACE MR0175 / ISO 15156 siri chọọ.

●Ihe mkpuchi Inner Incoloy 825 (UNS N08825)bụ alloy nke dabere na nickel nwere 38-46% Ni, 19-23% Cr, 2.5-3.5% Mo, tinyere ọla kọpa na titanium. Ọ na-eguzogide H₂S, CO₂, nnukwu chlorides, elemental sulfur, na organic acid n'ofe oke pH na oke okpomọkụ.

Njikọ ígwè na-ejikọ akwa abụọ ahụ mgbe niile site na njikọ ígwè (njikọ mpịakọta ọkụ na-ekpo ọkụ + nhazi JCOE). N'adịghị ka paịpụ e ji ígwè rụọ, e nwereenweghị ihe egwu nke mgbawa liner, mkpụkọ, ma ọ bụ mmebi oghere na interface ahụ.

Nchikota a bụ ọkọlọtọ ụlọ ọrụ makanchịkọta gas na-esi ísì ụtọ n'ime mmiri,usoro mgbasa ozi nke injection gas acid (AGI),Ahịrị nri osisi Claus, naolulu mmiri mkpofu nrụgide dị elu.

2. Isi Atụmatụ na Uru

atụmatụ	Uru
Nkwado ọrụ X65MS gbara ụka	NACE MR0175 kwekọrọ - ike siri ike ≤248 HV, SSC/HIC na-eguzogide
Ihe mkpuchi Incoloy 825	Na-eguzogide H₂S, CO₂, chlorides, sọlfọ, na asịd organic - PREN 30 35
Njikọ ọla zuru oke	Enweghị mgbawa / mmebi nke liner - ike ịkpụ ≥200 MPa
Ndụ ọrụ ogologo oge	Ọtụtụ mgbe, afọ 25-30 na-arụ ọrụ gas sour gas
Nchekwa ọnụ ahịa	40-60% dị ọnụ ala karịa ọkpọkọ siri ike nke Incoloy 825 ma ọ bụ Alloy 625
Akwụkwọ zuru oke	EN 10204 3.1/3.2; Akụkọ NACE; UT, MT, ndekọ nnwale mmiri

3. Data Teknụzụ na Nkọwapụta Ihe

3.1 Ihe mejupụtara kemịkalụ (%)

Ihe	Nkwado X65MS (kachasị)	Nkpuchi Incoloy 825 (ihe a na-ahụkarị)
Kabọn (C)	0.10	≤0.05
Silikọn (Si)	0.45	≤0.50
Manganese (Mn)	1.35	≤1.00
Fọshọrọs (P)	0.020	≤0.030
Sọlfọ (S)	0.002	≤0.015
Chromium (Cr)	0.30	19.5 – 23.5
Nickel (Ni)	0.30	38.0 – 46.0
Molybdenum (Mo)	0.15	2.5 – 3.5
Kọpa (Cu)	0.20	1.5 – 3.0
Titanium (Ti)	0.04	0.6 – 1.2
Vanadium (V)	0.08	—
Niobium (Nb)	0.05	—

3.2 Njirimara Mechanical

Akụ na ụba	Nkwado X65MS	Nkpuchi Incoloy 825
Ike Mmepụta (min, MPa)	450	240 (a gbapụrụ agbapụ)
Ike nrụgide (min, MPa)	535	550
Ogologo (nkeji, %)	18	30
Ike siri ike (kachasị, HV10)	248 kwa NACE	240
Mmetụta (Charpy, 0°C, nkeji J)	100 (nkezi)	—

3.3 Njikọta Njikọta na Nrubeisi Njehie

Paramita	Ihe achọrọ	Ihe ndetu
Ike ịkwa akwa	≥200 MPa	API 5LD
iguzosi ike n'ezi ihe nke njikọ UT	Enweghị mwepụ ike > 50mm	Nyocha 100%
Nguzogide SSC	Ígwè nkwado: NACE TM0177 Usoro A	Enweghị mgbawa na 80% SMYS
Nguzogide HIC	Ígwè azụ: NACE TM0284	CLR ≤15%, CTR ≤5%, CSR ≤2%
Incoloy 825 na-agba ọsọ	PREN = Cr+3.3Mo+16N ≈ 30-35	Na-eguzogide okpomọkụ ruo 150°C na nnukwu chlorides

3.4 Oke nha (Nkịtị)

OD (inch/mm)	WT Nkwado (mm)	WT mkpuchi (mm)	Ogologo Kachasị (m)
8″ (219.1)	10.0 – 18.0	2.0 – 2.5	18
10″ (273.1)	10.0 – 20.0	2.0 – 2.5	18
12" (323.9)	12.0 – 22.0	2.0 – 3.0	18
16" (406.4)	12.0 – 25.0	2.5 – 3.0	18
20″ (508.0)	12.0 – 28.0	2.5 – 3.0	18
24″ (609.6)	14.0 – 30.0	2.5 – 3.0	18
30″ (762.0)	14.0 – 30.0	3.0 – 3.5	18
40″ (1016.0)	16.0 – 32.0	3.0 – 3.5	18

Nha omenala dị ma ọ bụrụ na achọrọ ya.

4. Usoro Mmepụta - Njikọta Mpịakọta Na-ekpo Ọkụ + JCOE

Usoro nrụpụta maka ọkpọkọ X65MS+Incoloy 825 a na-eji eme ihe na-agbaso nkwa ọrụ dị mma nke ọma:

●Nhọrọ ihe na nkwenye– A na-esi n'ụlọ ọrụ igwe e ji eme ihe akwadoro enweta efere X65MS na efere Incoloy 825. A na-enyocha kemịkalụ na ike OES.

● Nkwadebe elu– A na-ehicha efere abụọ ahụ ma gwerie ha iji wepụ ihe dị na scale na oxide.

● Ịkwakọba ihe mkpofu– A na-agbakọta efere ndị ahụ (Incoloy 825 n'ime), a na-emechi nsọtụ ha n'okpuru oghere ikuku (≤10 Pa) iji gbochie oxidation n'oge okpomọkụ.

● Ịkpụgharị ọkụ– A na-ekpo ọkụ ruo 1180-1250°C, a na-atụgharị ya na oke mbelata dị elu (≥5:1). Njikọ ọla na-etolite site na mgbasa atọm.

● Nnyocha efere mkpuchi- Nyocha ultrasound 100% maka iguzosi ike n'ezi ihe nke njikọ.

● Ịmepụta JCOE– A na-eji ihe e ji ekpuchi efere kpuchie ya nke ọma, e wee jiri ihe e ji agagharị agagharị nke JCO kpụọ ya ka ọ bụrụ ọkpọkọ mepere emepe.

● Ịgbado nkwonkwo ogologo oge– Ngafe njikọta dị n'ime nwere ihe mkpuchi Incoloy 625; ngafe mpụga nwere ihe mkpuchi ígwè carbon dị ala. Usoro njikọta nke ruru eru na NACE/API 5LD.

● Ihe mkpuchi njikọta (nhọrọ mkpuchi)– Enwere ike iji Incoloy 625 kpuchie nkwonkwo njikọta dị n'ime maka iguzogide nchara ka mma.

● Ọgwụgwọ okpomọkụ- Mbelata nrụgide (PWHT) ma ọ bụrụ na koodu nhazi chọrọ; ma ọ bụghị ya, enweghị ọgwụgwọ okpomọkụ iji nọgide na-enwe njirimara ọrụ utoojoo ígwè.

● NDT na nnwale– Lee Nkebi nke 5.

● Mmecha njedebe– Ngwụcha Bevel + mmanụ mgbochi nchara + mkpuchi plastik.

5. Njikwa na Nnwale Ogo - Isi Ọrụ Dị Mma

A na-anwale paịpụ X65MS+Incoloy 825 nke e ji ihe mkpuchi kpuchie iji hụ na ọrụ ya siri ike.

Ule	Usoro / Ọkọlọtọ	Oke	Nnabata
Kemịstrị na ike siri ike (nkwado)	OES + HV10	Okpomọkụ ọ bụla	Nkọwapụta X65MS; ike siri ike ≤248 HV
Isi ike (mkpuchi)	HV10	Ogbe ọ bụla	≤240 HV
Njikọ UT	Ahụ zuru oke, shear na ebili mmiri longitudinal	100%	Enweghị mwepụ >50mm; mkpokọta <2%
Njikọ njikọta UT	Usoro nhazi akpaka akpaghị aka	100%	API 5LD / DNV F101
Njikọ Weld MT / PT	Ihe ndọta magnetik / agba na-abanye n'ime	Mmalite mmalite nke ịgbado ọkụ, ogologo zuru oke	Enweghị ihe ngosi ahịrị
Nnwale nrụgide na ịgbagọ	Njikọ transverse + njikọ shear	Kwa otu (≤ paịpụ 50)	Ọdịda n'èzí weld / njikọ
Mmetụta dị egwu (nkwado)	-20°C ma ọ bụ -40°C	Kwa okpomọkụ	≥100 J nkezi
Ule SSC (nkwado)	Usoro NACE TM0177 A (nrụgide)	Kwa okpomọkụ / kwa ọrụ	Enweghị mgbawa na 80% SMYS
Ule HIC (nkwado)	NACE TM0284	Kwa okpomọkụ / kwa ọrụ	CLR ≤15%, CTR ≤5%, CSR ≤2%
Nnwale Hydrostatic	Nrụgide imewe 1.5 ×	Paịpụ ọ bụla	Enweghị ntapu mmiri
Akụkụ na anya	Laser / calipers / ihe nlele anya	100%	OD, WT, ogologo, bevel

Ule ndị ọzọ a rịọrọ:

● Nguzogide nrụgide (CPT / CCT) maka Incoloy 825

● Nchaji dị n'etiti granular (ASTM A262) maka mkpuchi njikọta

● Ọdịnaya Ferrite (maka igwe ịgbado ọkụ)

6. Ngwa Ndị A Na-ahụkarị na Ahụmịhe Ọrụ

6.1 Nchịkọta Gas dị elu n'ụsọ oké osimiri

Ọnọdụ:Mpaghara Sichuan, China (H₂S 8-15%, CO₂ 5-8%, chlorides dị mma)
Nkọwapụta ọkpọkọ:X65MS+Incoloy 825, OD 323.9mm, WT azụ 14.3mm, mkpuchi 2.5mm
Ebumnuche ndụ ọrụ:Afọ 30. Enyere m kilomita 47 gaa na nnukwu NOC. Ọ nọ na-arụ ọrụ kemgbe 2019 - enweghị nsogbu metụtara nchara.

6.2 Usoro Mmiri Acid Gas (AGI)

Ọnọdụ:Oke osimiri Middle East (H₂S + CO₂ + kọlorid dị elu)
Ihe ịma aka:Mmiri gbakọtara agwakọta na-emebi ihe nke ukwuu.
Ngwọta:Paịpụ X65MS+Incoloy 825 nke e ji ihe mkpuchi kpuchie, OD 406.4mm, ihe mkpuchi ya bụ 3.0mm.
Nsonaazụ:E tinyere ya dị ka usoro mmiri mmiri n'elu-ruo-isi; gafere asambodo NACE TM0177 na TM0284.

6.3 Ahịrị nri osisi Claus (Ọrụ sọlfọ nke Elemental)

Ọnọdụ:Ụlọ ọrụ mmepụta ihe dị n'ụsọ oké osimiri Gulf, USA
Nsogbu:Mmiri sọlfọ + ihe ndị na-egosi na HCl kpatara mwakpo ngwa ngwa n'ahụ ígwè carbon.
Ngwọta:Paịpụ X65MS+Incoloy 825 nke e ji ihe mkpuchi kpuchie (12″ OD, mkpuchi 2.8mm).
Nsonaazụ:Afọ 8 na-arụ ọrụ na-enweghị ihe mkpuchi ma ọ bụ mmebi ígwè n'azụ.

7. Gịnị mere ị ga-eji họrọ Womic Steel maka ọrụ gbara ụka?

Ihe Mere	Nkọwa
Pụrụ iche na ihe ndị na-esi ísì ụtọ	Ahụmịhe sara mbara na-enweta efere X65MS siri ike dị ala na Incoloy 825
Ahụmịhe NACE n'ime ụlọ	Ndị otu teknụzụ nwere ike ịkwadebe akwụkwọ ndekọ NACE zuru oke
Nchọta zuru oke	Site na ọnụọgụ okpomọkụ nke oyi akwa abụọ ahụ ruo na nnwale mmiri ikpeazụ
Obere oge ndu	Izu iri na abụọ ruo iri na isii maka nha ọkọlọtọ (iwu ugboro ugboro izu iri ruo iri na abụọ)
Nkwado nke ndị ọzọ zuru ụwa ọnụ	Soro DNV, BV, TÜV, SGS rụọ ọrụ maka nnyocha ndị akaebe na asambodo 3.2
Ọnụahịa asọmpi	40-60% obere karịa ọkpọkọ siri ike nke Alloy 825 ma ọ bụ Inconel 625

8. Ajụjụ Ndị A Na-ajụkarị (Ajụjụ Ndị A Na-ajụkarị)

Ajụjụ 1: Kedu ihe dị iche n'etiti X65 na X65MS?
A: X65MS bụ mgbanwe "ọrụ gbara ụka" nke X65. O nwere obere carbon (≤0.10%), obere sulfur (≤0.002%), njikwa siri ike siri ike (≤248 HV), yana nnwale SSC/HIC nke a na-amanye dịka NACE MR0175 si kwuo. X65 ọkọlọtọ adabaghị maka H₂S mmiri mmiri.

Q2: Gịnị mere e ji eji Incoloy 825 kama iji 316L ma ọ bụ duplex mee ihe dị ka mmiri ara ehi?
A: Incoloy 825 nwere nickel dị elu (38-46%), nke na-enye ezigbo iguzogide SCC na SSC nke chloride kpatara. Ọ na-eguzogidekwa mbelata asịd (dịka ọmụmaatụ, HCl) na sọlfọ elemental - ọnọdụ ebe 316L na duplex agaghị arụ ọrụ nke ọma. Maka ọrụ utoojoo siri ike (H₂S dị elu + chloride dị elu + elemental S), Incoloy 825 na-abụkarị CRA kacha nta a na-anabata.

Q3: Enwere ike iji ihe mkpuchi Incoloy 825 dụkọta ya ma ọ bụ jiri ígwè carbon?
A: Ee. GTAW (TIG), GMAW (MIG), na SMAW nwere ike ịgbado Incoloy 825. Maka ijikọ mkpuchi na mkpuchi, jiri ígwè filler Alloy 82 / 82i (ERNiCr-3) ma ọ bụ Alloy 625 (ERNiCrMo-3). Maka ijikọ mkpuchi na ígwè carbon (dịka ọmụmaatụ, njikọta weld), jiri oyi akwa etiti nke Alloy 309L ma ọ bụ 625 iji zere ịgbawa na mgbawa.

Q4: Njikọta nke seam ogologo oge ọ na-eguzogidekwa ọrụ utoojoo?
A: Ee. Ejiri ihe mkpuchi Incoloy 625 (Ni, Cr, Mo karịa 825) dụkọta ngafe dị n'ime ya. Ihe mkpuchi a na-enye ike iguzogide nchara nhata ma ọ bụ nke ka mma karịa ihe mkpuchi 825. A na-enyocha 100% NDT na ike a nwalere.

Q5: Kedụ asambodo enyere maka ọrụ utoojoo?
A: Anyị na-enye asambodo EN 10204 Ụdị 3.1/3.2 nke gụnyere nyocha okpomọkụ ígwè nkwado, ike siri ike, akụkọ ule SSC na HIC (ọ bụrụ na emee ya), yana nyocha ike ịgbado ọkụ. Mgbe a rịọrọ ya, anyị na-enye akwụkwọ ikike NACE MR0175.

Q6: Kedu oge ndu nkịtị maka ọkpọkọ X65MS+Incoloy 825 a kpụrụ akpụ?
A: Iwu mbụ: izu 14-18 (gụnyere ịzụta ihe ndị na-esi ísì ụtọ na asambodo). Iwu ọzọ: izu 10-12. Nnyocha nke ndị ọzọ nwere ike ịgbakwunye izu 1-2.

Q7: Womic Steel ò nwere ike inye paịpụ Inconel 625 a kpara akpa kama Incoloy 825?
A: Ee. Maka ọnọdụ ndị ka njọ (oke okpomọkụ, oke H₂S, oke chlorides), anyị na-enye paịpụ X65MS+Inconel 625 (UNS N06625). Inconel 625 nwere ike dị elu ma nwee ike iguzogide ọkpọkọ (PREN >45). Kpọtụrụ anyị maka mpempe akwụkwọ data dị iche.