Paịpụ ígwè bimetal nke e ji ígwè rụọ | Paịpụ CRA nke e ji ígwè rụọ maka mmanụ na gas, hydrogen na ọrụ mmiri miri emi

Paịpụ ígwè bimetal nke e ji ígwè rụọ | Paịpụ e ji ígwè rụọ nke CRA maka mmanụ na gas, hydrogen na ọrụ mmiri miri emi

Nkọwa Dị Mkpirikpi:

Oke nha:OD 60mm – 1800mm (2″ – 72″), ọkpụrụkpụ mkpuchi 0.5 – 3.5mm (dịka ọ dị mkpa), ọkpụrụkpụ mgbidi ígwè dịka API 5L ma ọ bụ nkọwapụta ndị ahịa si dị, ogologo otu enweghị usoro ruo 15m, ogologo omenala dị.

Ihe eji echekwa ígwè:API 5L X52, X60, X65, X70, X80; X65MS (ọrụ gbara ụka); ASTM A106 Gr.B, A333 Gr.6, A335 P5/P11/P22; ígwè carbon na obere ọkwa ígwè alloy.

Ihe mkpuchi CRA:Ígwè anaghị agba nchara Austenitic 304/304L, 316/316L, 904L; Duplex / Super Duplex 2205, 2507; Inconel 625, Incoloy 825, Hastelloy C-276; Ígwè anaghị agba nchara Martensitic Super 13Cr; Nhọrọ dabere na ọnọdụ ọrụ H₂S/CO₂/Cl⁻.

Usoro Mmepụta:Njikọta ígwè site na njikọ mpịakọta ọkụ / njikọta mpụga / mkpuchi mgbawa; ike ịkwa ákwà n'etiti >300MPa; na-ezute API SPEC 5LD na GB/T 37701. Ígwè nkwado na-enye ike igwe; mkpuchi CRA na-enye iguzogide nchara.

Ụkpụrụ na Asambodo:API SPEC 5LD, SY/T 6623, GB/T 37701, DEP 31.40.20.32 (Shell), NACE MR0175 / ISO 15156, DNV, ABS, Ndebanye aha Lloyd, EN 10204 Ụdị 3.1/3.2.

Ngwa:Nnyefe mmanụ na gas n'ime mmiri miri emi, ụzọ nchịkọta gas sour, paịpụ nnyefe hydrogen, ahịrị ntinye CCUS-EOR CO₂, paịpụ refinery, ụlọ ọrụ kemịkalụ, mmepụta ike (gụnyere ọkpọkọ boiler na ahịrị slurry coal), mbufe slurry nke ndị na-egwupụta ihe. A na-ejikarị ya eme ihe n'ọrụ ndị dị n'èzí, paịpụ hydrogen pilot, na ọrụ ngosipụta njide carbon. Nnyocha nke ndị ọzọ (SGS, BV, DNV, TÜV, ABS, LR) dị ma ọ bụrụ na a rịọ ya.

Womic Steelna-enye ọkpọkọ bimetal dị elu nke ejiri ígwè rụọ - na-ejikọta ike ígwè carbon na iguzogide nchara nke CRA. Na-enye nchekwa ego 30-50% ma e jiri ya tụnyere ọkpọkọ CRA siri ike. Dabara adaba maka ọrụ dị oke njọ, mmiri miri emi, na ngwa hydrogen. ISO 9001, PED, API 5LD dị njikere. Kpọtụrụ anyị maka nkwado injinia na ngwọta ọkpọkọ a kpara kpọmkwem maka ọrụ.

Zitere anyị ozi-e Nkọwapụta Ngwaahịa

Nkọwa Ngwaahịa

Akara Ngwaahịa

1. Nkọwa Ngwaahịa - Gịnị bụ Paịpụ Bimetal Metallurgical Clad?

Paịpụ ígwè bimetal clad (a makwaara dị ka paịpụ CRA clad, paịpụ ígwè metallically resistant corrosion alloy) bụ paịpụ ngwakọta arụmọrụ dị elu nke usoro njikọ ígwè dị elu na-ejikọta oyi akwa dị n'ime nke na-eguzogide corrosion alloy (CRA) ruo na carbon steel siri ike ma ọ bụ obere alloy metal dị n'èzí na ọkwa atọm. Nhazi a na-ahụkarị bụ "CRA inner cladding + elu-ike-mpụta nkwado ígwè".

Nhazi a nke "nguzogide nchara dị n'ime + ike igwe dị n'èzí" na-edozi nsogbu dị mkpa nke injinia: otu esi ebufe mmiri mmiri siri ike (H₂S dị elu, CO₂ dị elu, chloride dị elu) n'okpuru nrụgide dị elu na ọnọdụ miri emi na-ejighị paịpụ alloy siri ike dị oke ọnụ.

Teknụzụ a malitere ọrụ na China na 2004 site na mmekorita dị n'etiti Xinxing Ductile Iron Pipe, Panzhihua Steel na Mahadum Sayensị na Teknụzụ Beijing, yana ihe ndị ọzọ CNPC BSS, Ansteel Group, na Baoshi Pipe Industry mepụtara. Mmepe ndị a mere ka mmepụta nke ọkpọkọ e ji ígwè rụọ maka mmanụ na gas miri emi, ubi gas siri ike, nnyefe hydrogen, na ọrụ CCUS.

Womic Steel, nke dabere na teknụzụ paịpụ a a ma ama n'ụwa niile, na-ejikọta njikọ vacuum hot roll, centrifugal casting + hot extrusion, na usoro ịgbado ọkụ dị elu nke na-ejikwa njikọ ígwè dị iche iche n'etiti nickel alloy na pipeline steel. Anyị na-enye paịpụ a kpuchiri ekpuchi site na 60mm ruo 1800mm OD yana nhazi ọkpụrụkpụ mgbidi na-agbanwe agbanwe, na-emezu ụkpụrụ mba ụwa kachasị achọ.

Nhazi Ngwaahịa - Nkwadebe ígwè na mkpuchi CRA

Akụkụ	Ihe Nlereanya Ihe Ndị Dị na Ya	ọrụ
Ígwè Akwado (Oyi akwa mpụta)	API 5L X52/X60/X65/X70/X80; Ọrụ utoojoo X65MS; A106 Gr.B; A333 Gr.6; A335 P5/P11/P22	Na-enye ike igwe, njide nrụgide, ike, na ịgbado ọkụ
CRA Cladding (Ime oyi akwa dị n'ime)	316L, 904L, 2205, 2507, Inconel 625, Incoloy 825, Hastelloy C 276, Super 13Cr	Na-enye nguzogide nchara megide H₂S, CO₂, chlorides, na asịd organic

Ihe atụ nhazi nkịtị maka itinye mmiri miri emi:OD 610mm (24"), ọkpụrụkpụ mgbidi ígwè dị n'azụ 16.9mm (ọkwa ọrụ gbara ụka X65MS), ọkpụrụkpụ mkpuchi CRA 2.0mm (Inconel 625). Oke ọkpụrụkpụ mgbidi nwere ike iru 38mm, ọkwa nrụgide ruo 38.8 MPa, okpomọkụ ọrụ ruo 120°C.

2. Gịnị mere ị ga-eji họrọ ọkpọkọ ígwè bimetal metallurgical clad?

atụmatụ	Uru teknụzụ	Uru Azụmaahịa
Ezigbo Njikọ Metallurgical	Ike ịkwa akwa n'etiti >300MPa (karịa API SPEC 5LD). Enweghị ihe egwu nke ịda, ịchafụ ma ọ bụ delamination nke liner.	Na-ewepụ ihe egwu ọdịda dị egwu; dabara na okpomọkụ na ọrụ nrụgide dị elu
Njikọta CRA + Carbon Steel	Naanị elu ime ụlọ na-eji alloy dị oke ọnụ; ígwè nkwado na-enye ikike ibu ibu.	Mbelata ọnụ ahịa 30-50% ma e jiri ya tụnyere ọkpọkọ siri ike nke CRA
Emebere maka Ọrụ Dị Oke Oke	Ngwakọta zuru oke nke ihe CRA kwekọrọ na H₂S, CO₂, Cl⁻, pH, okpomọkụ na nrụgide.	Arụmọrụ a pụrụ ịtụkwasị obi na ọrụ gas sour, mmiri miri emi, na hydrogen
Ụzọ Mmepụta A Kwadoro	Njikọta igwe ọkụ na-ekpo ọkụ / ihe nkedo centrifugal + ihe mkpuchi ọkụ / ihe mkpuchi mgbawa + mmecha oyi.	Ịdị mma na-adịgide adịgide, ikike dayameta buru ibu, mmepụta a na-agbanwe agbanwe
Nkwadebe Ọgwụ Mgbochi Weld	Ihe mkpuchi nke CRA stripe cladding (bọta mmanụ) na paịpụ bevels; mgbanwe igwe.	Ịgbado ọkụ ubi dị mfe, na-ejigide iguzogide nchara na welds girth
Nleba anya zuru oke na asambodo zuru ụwa ọnụ	Asambodo EN 10204 3.1/3.2. Nnyocha nke ndị ọzọ (DNV, BV, SGS, TÜV, ABS, LR) dị.	Ndị isi EPC, NOC, na ndị ọrụ mba ofesi nabatara ya

3. Nkọwapụta Teknụzụ na Nduzi Nhọrọ Ihe

3.1 Nhọrọ Ihe mkpuchi CRA site na Gburugburu Ebe Obibi

Gburugburu Ọrụ	Akwa mkpuchi CRA akwadoro	Ihe Nlereanya Ngwa
CO₂ dị oke, obere chlorides	316L igwe anaghị agba nchara	Ọkpọkọ gas n'elu mmiri, ọrụ dị mma
CO₂ + klorid dị ala	Igwe anaghị agba nchara duplex 2205/2507	Ntụtụ mmiri n'oké osimiri, ọkpọkọ n'elu
H₂S + CO₂ + Cl⁻ (ọrụ gbara ụka)	Inconel 625, Incoloy 825, Alloy 028	Ọgba mmanụ nwere sọlfọ dị elu, olulu mmanụ acidic
Mmiri miri emi, H₂S dị elu, nrụgide dị elu	Inconel 625 / Alloy 825 kpuchie	Ọwara mmiri dị n'okpuru osimiri, ịrị elu mmiri, ọrụ miri emi mmiri
Nnyefe hydrogen / CCUS	316L, duplex, ma ọ bụ nickel alloys	Paịpụ hydrogen, ahịrị ntinye CO₂

3.2 Nhọrọ ígwè nkwado

Ụkpụrụ Ihe Ntọala	Ọkwa nkịtị	Ọnọdụ Kwesịrị Ekwesị
API 5L PSL1/PSL2	X52, X60, X65, X70, na X80	Nnyefe mmanụ na gas dị elu
Ọrụ utoojoo API 5L	X65MS, X52NS	Ọrụ H₂S mmiri mmiri (gas gbara ụka)
ASTM A106	Gr.B, Gr.C	Ọrụ okpomọkụ dị elu, ọrụ mmepụta ihe
ASTM A333	Gr.6	Okpomọkụ dị ala (-45°C)
ASTM A335	P11, P22	Uzuoku dị elu, petrochemical
Akara ule DNV nke mba ofesi	DNV450, DNV500	Ọkpọkọ mmiri dị n'okpuru mmiri, ihe ndị na-arịgo mmiri miri emi

3.3 Ụkpụrụ na Asambodo Ndị Dị Mkpa

●Ụkpụrụ ndị bụ isi:API SPEC 5LD (n'ụwa niile), SY/T 6623 (China), GB/T 37701, Shell DEP 31.40.20.32

● Nrubeisi ihe na mmebi:NACE MR0175 / ISO 15156 maka ọrụ H₂S

●N'akụkụ mmiri / nhazi:DNV, ABS, LR, CCS (Ụlọ Ọrụ Nhazi China)

● Akwụkwọ dị mma:EN 10204 Ụdị 3.1 (ọkọlọtọ) ma ọ bụ 3.2 (onye nke atọ kwadoro)

4. Usoro Mmepụta - Paịpụ Ejiri Metallic Banye

Womic Steel na-eji ụzọ mmepụta paịpụ a kpara akpa nke ụwa eme ihe iji hụ na njikọ ígwè na nhazi nha ya na-aga n'ihu.

Usoro Usoro (Njikọ Mpịakọta Ọkụ + Mmecha Oyi):

1. Nkwadebe nke slab mejupụtara- Hichaa ma mechie efere CRA + efere ígwè nkwado iji wepụ oxygen; mpịachi ọkụ na oke mbelata dị elu na-emepụta njikọ metallurgical na oyi akwa mgbasa ozi.

2.Mgbagharị ọkụ / mmịpụta na ụdị ọkpọkọ– A na-atụgharị slab ahụ n'ime efere wee mepụta ya ma gwakọta ya (paịpụ LSAW a kpara akpa) ma ọ bụ tinye ya n'ime paịpụ a kpara akpa nke na-enweghị ntụpọ site na iji usoro nhazi centrifugal + extrusion.

3. Ịse ihe n'oyi / ịtụgharị oyi- Na-ebelata dayameta na ọkpụrụkpụ mgbidi, na-eme ka njedebe elu na izi ezi nke akụkụ dịkwuo mma ma na-ejigide iguzosi ike n'ezi ihe nke njikọ.

4. Ọgwụgwọ okpomọkụ– Ime ka ihe dị mma, ime ka ihe dị mma + ime ka ihe dị mma, ma ọ bụ ime ka ihe dị mma + ime ka ihe dị mma (Q&T) dị mma iji nweta ihe ndị dị mkpa maka igwe na iwepụ nrụgide.

5.Nnyocha NDT– Nnwale ultrasonic 100% maka iguzosi ike n'ezi ihe nke njikọ na ntụpọ laminar; nnwale eddy current na rediographic dịka ọ dị mkpa.

6.End finishing & CRA buttering– A na-akwado bevels njedebe nke weld; a na-etinye ihe mkpuchi alloy na-eguzogide nchara n'ihu bevel iji gbochie ịgbaze CRA n'oge ịgbado ọkụ n'ọhịa.

7. Nnyocha ikpeazụ na akwụkwọ- Nlele nha zuru oke, nyocha anya, nha siri ike, na nkwakọ ngwaahịa dịka ọkọlọtọ mbupụ si dị

5. Uru Ndị Dị Mkpa - Teknụzụ na Akụ na Ụba

●Dozie nsogbu nchara nke pipeline– Na-eme ka ntụkwasị obi dị na gburugburu H₂S, CO₂, Cl⁻, na acidic dịkwuo mma nke ukwuu; na-egbochi ntapu nchara na ọdịda tupu oge eruo.

● Ọnụ ego ndụ dị ala- Ruo 30-50% nchekwa ihe onwunwe ma e jiri ya tụnyere ihe alloy nickel siri ike ma ọ bụ paịpụ alloy dị elu.

● Mbelata akara ukwu nke carbon na oriri alloy– Ọ dị mma maka ọrụ akụ na ụba hydrogen na ọrụ CCS ebe a na-eji ihe ndị na-adịgide adịgide akpọrọ ihe.

● Oke nha dị iche iche na ọkọnọ kwụsiri ike- OD site na 60mm ruo 1800mm; enwere ike ịhazi ọkpụrụkpụ na ogologo mgbidi maka ogologo ogwe osisi na ntinye nke reel mmiri miri emi.

● Nkwado asambodo kpọmkwem maka ọrụ– Nye API 5LD, DNV, ABS nkwenye ngwaahịa, ndekọ asambodo usoro ịgbado ọkụ (WPQR), na atụmatụ nyocha nrụpụta dịka ndị ahịa chọrọ.

6. Ngwa Ndị Isi - Ebe Clad Pipe Na-eme nke Ọma

●Paịpụ mmanụ na gas nke dị n'ime mmiri miri emi- Ahịrị mmiri dị n'okpuru mmiri, ihe ndị na-ebili elu, na ahịrị ndị na-achịkwa mmiri mmiri na-emebi emebi ma na-enwe nrụgide dị elu.

● Sistemụ nchịkọta gas siri ike n'ụsọ oké osimiri– Ubi H₂S/CO₂ dị elu (dịka ọmụmaatụ, mpaghara Sichuan, Middle East) nke chọrọ nchekwa CRA a pụrụ ịtụkwasị obi.

● Nnyefe hydrogen na CCUS– Ahọpụtala paịpụ ígwè a na-eji ígwè eme ihe maka paịpụ hydrogen na ọrụ CO₂-EOR (gụnyere CNPC na Daqing CCUS) n'ihi iguzogide hydrogen na arụmọrụ ọnụ ahịa ya.

● Ụlọ ọrụ mmepụta ihe na petrochemical– Ngalaba mgbake sọlfọ dị elu, ọgwụgwọ mmiri, na iyi usoro chlorine.

● Mmepụta ike na igwu ala– Paịpụ mmiri ọkụ coal, eriri ihe nhicha FGD, na ibuga ọdụdụ ndị na-emebi emebi nke ukwuu.

7. Nkwakọ ngwaahịa na ngwa ọrụ - Nnyefe zuru ụwa ọnụ

7.1 Nchedo Elu na Mkpuchi Ọgwụgwụ

● Mkpuchi mpụta: praịma epoxy ojii ma ọ bụ nke na-acha ntụ ntụ (ọkpụrụkpụ na agba nke ihe nkiri dịka nkọwapụta onye ahịa si dị).

● Mkpụcha ọkpọkọ: mmanụ mgbochi nchara + mkpuchi njedebe plastik/ọla ma ọ bụ mgbaaka ígwè iji gbochie mmebi na mmetọ.

7.2 Nchikota, Nchekwa na Njikwa Mmiri

● Obere dayameta: ejiri eriri ígwè kee ya ma kewaa ya site na ihe mkpuchi osisi iji zere mmebi ígwè na ígwè.

● Nnukwu dayameta: a na-etinye ya n'otu n'otu n'ime akpa ma ọ bụ n'elu ihe ndị dị larịị nwere ihe nkwado a kpuchiri ekpuchi.

● Nchekwa mmiri: tarpaulin mmiri na-adịghị amị amị + ihe na-ekpo ọkụ maka ibu ibu mmiri dị ogologo.

7.3 Ngwugwu Akwụkwọ Mbupu

● Asambodo igwe EN 10204 Ụdị 3.1/3.2 (kemistri, nrụgide, mmetụta, ike siri ike, ike ịkpụ njikọ)

● Akụkọ NDT (UT, MT, PT)

● Akụkọ nyocha na akụkụ ikpeazụ

● Ndepụta ihe eji echekwa ihe nwere foto (n'ime akpa/ụgbọ mmiri)

● Usoro ịgbado ọkụ na ndekọ asambodo (ọ bụrụ na achọrọ)

● Chaatị ọgwụgwọ okpomọkụ na nchọcha nke ogbe

7.4 Ụdị Njem

● E tinyere akpa (20'/40') maka OD ruo ~800mm

● Ebe a na-adọba ụgbọala / ebe a na-emeghe maka dayameta buru ibu

● Gbajie ibu buru ibu ma ọ bụ ibu ọrụ maka ọkpọkọ dị arọ nke e ji mgbidi kpuchie ogologo oge

8. Ntụaka na Asambodo Ọrụ

8.1 Ọrụ Ndị Nnọchiteanya

● CNOOC "Mmiri Mmiri Nke 1"– Ngwakọta mbụ nke "paịpụ ígwè dị omimi nke nwere dayameta na-enweghị ntụpọ + paịpụ bimetal nke nwere ọkpọkọ mmiri miri emi" (ihe dị ka kilomita 114 nke ọkpọkọ mkpuchi).

●Ụlọ ọrụ Baoshi Pipe / CNPC BSS (Qinhuangdao)– Emepụtara paịpụ N06625 / X65MS nke ọma (OD 610mm) yana nkwenye zuru oke nke otu nhazi ọkwa (CCS).

●Òtù Ansteel– Enyere paịpụ DNV450 nke e ji ihe mkpuchi mmiri mee nke nwere oyi akwa ime Inconel 625 maka ọrụ gas dị n'ụsọ oké osimiri Abu Dhabi (Hail & Ghasha).

●Sayensị na Teknụzụ Ụgbọelu China– E tinyere akwụkwọ maka usoro nnwale nnyefe hydrogen nke CNPC na ọkpọkọ injection nke Daqing CCUS-EOR site na iji ọkpọkọ bimetal clad..

8.2 Asambodo Ndị E Ji/Dị

●Ikikere ngwaahịa API 5LD (dị ma ọ bụrụ na achọrọ ya)

●ISO 9001: 2015, PED 2014/68/EU

●Nkwenye NACE MR0175 / ISO 15156

●Nkewa ndị akaebe nke atọ: DNV, ABS, LR, BV, CCS, SGS, TÜV

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

Q1: Gịnị bụ ọdịiche dị mkpa n'etiti paịpụ ígwè na paịpụ ígwè?

A: Paịpụ e ji ígwè rụọ na-adabere na nnyonye anya iji jide ihe mkpuchi ahụ - n'okpuru usoro okpomọkụ na nrụgide nrụgide, ihe mkpuchi ahụ nwere ike ịfụkọta, daa ma ọ bụ kewaa. Paịpụ e ji ígwè kpụọ nke ejiri ígwè kpụọ na-emepụta oyi akwa mgbasa ozi na njikọ ahụ (ike ịkpụ ya karịrị 300 MPa). Enweghị ihe egwu nke mmebi nke ihe mkpuchi ahụ, nke na-eme ka ọ bụrụ iwu maka ọrụ miri emi, hydrogen na okpomọkụ dị elu.

Q2: Womic Steel nwere ike ịkwado mkpuchi CRA kpọmkwem maka ọrụ mmebi m?
A: Ee. Ndị otu injinia anyị na-enyocha ihe mejupụtara mmiri mmiri gị (H₂S, CO₂, Cl⁻, pH, asịd organic), okpomọkụ na nrụgide ọrụ - wee kwado CRA kachasị ọnụ ahịa site na 316L → duplex → nickel alloys. Maka ọrụ hydrogen, anyị na-agbakwunye nyocha hydrogen embrittlement ọzọ.

Q3: Kedu oge nnyefe nkịtị maka ọkpọkọ mkpuchi API 5LD asambodo?
A: Maka asambodo nke edemede mbụ na mmepụta nnwale otu ihe dị ka ọnwa 6-8 (gụnyere nkwenye ụdị na nnwale akaebe). Maka iwu mmegharị ọkọlọtọ: ụbọchị 60 120 dabere na ihe OD, ihe CRA na ihe ndị ọzọ chọrọ maka nyocha.

Q4: Kedu ka Womic Steel si eme ka njikọ ubi ghara ịdị irè n'ihe gbasara nchara?
A: Anyị na-etinye ihe mkpuchi CRA (bọta) n'elu bevels paịpụ abụọ ahụ tinyere mgbanwe igwe. Nke a na-egbochi ịgbaze CRA site na ígwè nkwado n'oge ịgbado ọkụ ubi. Usoro ịgbado ọkụ maka njikọ girth ruru eru site na ígwè filler Alloy 625 / 825 iji nọgide na-arụ ọrụ nchara nke dabara na ahụ paịpụ ahụ.

Q5: Ego ole ka paịpụ bimetal clad nwere ike ịchekwa ma e jiri ya tụnyere paịpụ siri ike nke CRA?
A: Dabere na ọmụmụ ihe ndị a, paịpụ e ji ígwè rụọ nke ọma na-azọpụta 30-50% nke ọnụ ahịa ihe niile ma e jiri ya tụnyere ihe nickel siri ike ma ọ bụ paịpụ alloy dị elu nke nwere otu ọkwa nrụgide. Nchekwa na-abawanye ka dayameta na ọkpụrụkpụ mgbidi na-abawanye.

Q6: Paịpụ a na-eji akwa kpuchie ọ dị mma maka ọrụ mmiri ara ehi (H₂S) ma NACE kwadoro ya?
A: Ee. A pụrụ inye ihe mkpuchi CRA (dịka ọmụmaatụ 625, 825, 2205, 316L) yana ígwè nkwado kwesịrị ekwesị (dịka ọmụmaatụ X65MS, X52NS) nke kwekọrọ na NACE MR0175 / ISO 15156 na API 5L Annex H. Enwere ike ime ma dekọọ ule siri ike, SSC na HIC.

10. Rịọ maka ọnụahịa

Womic Steel na-enye ngwọta ọkpọkọ ígwè bimetal nke a na-eji ígwè eme ihe nke ọma - site na iji ike nke ígwè carbon na iguzogide nchara nke CRA. Anyị na-enye mmanụ na gas miri emi, ubi mmiri dị n'okpuru ala, pipeline hydrogen na ngwa CCUS EOR n'ụwa niile.

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Womic Steel – Onye mmekọ gị a pụrụ ịtụkwasị obi maka teknụzụ paịpụ e ji ígwè kpụọ, nke na-akwado ọrụ mgbanwe ike dị mkpa site na paịpụ ndị siri ike ma dị ọnụ ala.

Nke gara aga: T91+Alloy 28 Bimetal Metal Clad Paịpụ | Okpomọkụ dị elu + Tube Na-eguzogide Nrụgide – Womic Steel

Osote: Paịpụ ígwè bimetal X65+316L | Paịpụ ígwè CRA dị ọnụ ala maka ọrụ CO₂ – Womic Steel