Babban Kayan Aiki (Taimako)
● SA-210 Gr.C / EN10216-2 (ƙarfe mai carbon - sabis na tukunyar jirgi na gabaɗaya)
● SA-213 T91 (X10CrMoVNb9-1 / 1.4903 – ƙarfe mai jure wa tarkace)
Rufin CRA:
● TP304L (1.4306) – bakin ƙarfe mai austenitic don juriya ga tsatsa gaba ɗaya
● UNS N08028 (1.4563 / Alloy 28) – babban ƙarfe mai ƙarfi na Cr/Ni/Mo/Cu don yanayin acidic da chloride
● UNS N08825 (2.4858 / Incoloy 825) – ƙarfe mai tushen nickel don iskar gas mai tsami, H₂S/CO₂/chlorides
Hanyar Tsarin:Fitar da zafi → kammala sanyi → maganin zafi → tsinken tsinkewa. Cikakken tsari, babu walda mai tsayi. Ƙarfin yankewar ƙarfe ≥300 MPa.
Gwaji & Takaddun shaida:Gwajin hydrostatic 100%, gwajin ultrasonic bisa ga ASTM E213 da ISO 10893-10. Bin ƙa'idodin ASME Sashe na II Sashe na A, EN12952-2 (gami da Sashe na C). Takaddun shaida na injin niƙa EN 10204 Nau'in 3.1 (Nau'in 3.2 tare da shaidar ɓangare na uku zaɓi ne).
Aikace-aikace:Bangon ruwan tukunya, na'urorin dumama ruwa, na'urorin sake dumama ruwa, na'urorin musanya zafi mai matsin lamba, na'urorin dawo da zafi mai shara, na'urorin dumama ruwa na tukunyar ruwa, na'urorin canja wurin zafi na matatar mai.
Karfe Mai Kyauyana samar da cikakken bututun da aka saka wanda ba shi da matsala wanda aka ƙera bisa ga lambobin Turai da ASME. Zaɓi haɗin rufin ku na asali + na rufi. Ana iya duba wasu mutane da gwajin shaidu. Tuntuɓe mu don takaddun bayanai na fasaha da ƙimar isarwa.
1. Bayanin Samfura - Bututun ƙarfe mara sumul ta hanyar fitar da zafi
Bututun da aka lulluɓe da ƙarfe mara sumul ya bambanta da bututun da aka lulluɓe da injina ko bututun da aka lulluɓe da walda. Tushen da rufin suna haɗuwa har abada ta hanyar yaduwar atomic yayin fitar da zafi, wanda ke haifar da haɗin da ba zai iya rabuwa ba yayin zagayowar zafi, bugun matsin lamba, ko lanƙwasawa.
Me yasa babu matsala (babu walda mai tsayi)?
Dinkin walda mai tsayi suna iya zama wuraren da za su iya lalacewa a yanayin zafi mai yawa, da kuma yanayin aiki mai matsin lamba mai yawa. Ginawa mara sumul yana kawar da wannan haɗarin gaba ɗaya. Tsarin fitar da zafi yana kuma inganta tsarin hatsi, yana inganta ƙarfin rarrafe da juriya ga gajiya.
Me yasa ake fitar da zafi + sanyi + maganin zafi + tsinken tsami?
●Fitar zafi:Yana cimma haɗin ƙarfe a matsin lamba da zafin jiki mai tsanani, yana rage sashe na giciye da >8:1 – yana tabbatar da haɗin sauti.
● Kammalawa cikin sanyi (zanen sanyi / yin pilgering):Yana ba da daidaiton juriya ga OD da kauri bango, kyakkyawan kammala saman, da kuma ƙara yawan kayan aikin injiniya ta hanyar taurare aiki (bayan haka kuma maganin zafi mai dacewa).
● Maganin zafi:Yana dawo da sassauci, yana rage damuwa, kuma yana haɓaka tsarin da ake buƙata (misali, daidaita + tempering don SA-210 Gr.C da T91; annealing na mafita don yadudduka na CRA).
● Tsami:Yana cire ma'aunin oxide (magnetite, hematite) da ya rage daga aikin zafi da kuma maganin zafi. Sakamakon haka shine saman da ke da tsabta, mara amfani, wanda ba shi da ma'aunin da aka haɗa - wanda yake da mahimmanci ga tsawon rai na injin dumama da musayar zafi.
Haɗin yana samar da bututun da ya cika ƙa'idodi mafi tsauri na ASME Sashe na I, EN12952, da PED 2014/68/EU.
2. Haɗuwar Kayan Aiki - Core + Cladding
An yi cikakken bayani game da haɗakar da aka fi nema daga ayyukan samar da wutar lantarki da na man fetur a ƙasa. Kowannensu yana magance takamaiman yanayin sabis.
2.1 Haɗuwa A: SA-210 Gr.C + TP304L (1.4306)
| Sigogi | Core (Baya baya) | Rufe (CRA) |
| Kayan Aiki | SA-210 Gr.C / EN10216-2 | TP304L (1.4306) |
| Daidaitacce | ASME Sashe na II Kashi na A / EN10216-2 | ASME SA-213 / EN10088-3 |
| Amfani na yau da kullun | Bangon ruwan tukunya, masu tattalin arziki, masu dumama mai ƙarancin zafi | Kariyar tsatsa gaba ɗaya daga ruwan da ke ɗauke da iskar oxygen mai ɗan acidic |
| Matsakaicin zafin aiki | ~450°C | ~400°C (a cikin kafofin watsa labarai masu lalata) |
| Kauri na rufi | – | 1.5 – 3.0 mm |
| Fa'idodi | Kyakkyawan walda, matsakaicin farashi, akwai shi sosai | Ƙarancin carbon yana hana ji; juriya ga iskar shaka da kuma tsatsa gaba ɗaya |
Mafi kyau ga:Bututun bango na ruwa na boiler mai amfani da kwal inda saman ciki ke hulɗa da ruwa/tururi tare da tsaftace acid lokaci-lokaci ko gurɓataccen abu mai sauƙi.
2.2 Haɗin B: SA-213 T91 (1.4903) + UNS N08028 (Alloy 28 / 1.4563)
| Sigogi | Core (Baya baya) | Rufe (CRA) |
| Kayan Aiki | SA-213 T91 Nau'i na 1 (X10CrMoVNb9-1) | UNS N08028 (Alloy 28) |
| Daidaitacce | ASME Sashe na II Sashe na A / EN10216 2 | SB 668 / EN10088-3 |
| Amfani na yau da kullun | Masu dumama zafi mai zafi / masu sake dumamawa, boilers na zafi mai sharar gida | Iskar gas mai ɗauke da sinadarin acid (sulfuric/phosphoric acid), mai yawan chlorides |
| Matsakaicin zafin aiki | 650°C (kewayon rarrafe) | 450°C (a cikin aikin lalata) |
| Kauri na rufi | – | 2.0 – 3.5 mm |
| Fa'idodi | Kyakkyawan ƙarfi na fashewa, juriya ga iskar shaka | PREN 38-40; yana tsayayya da tsatsa, tsatsa mai kauri, da tsatsa mai ƙarfi a cikin chlorides |
Mafi kyau ga:Sassan superheater na ƙarshe na tukunyar jirgi mai ƙarfi, tukunyar dawo da zafi mai sharar gida da ke ƙasa da tsire-tsire masu sinadarin sulfuric acid, tukunyar biomass mai yawan chlorine a cikin iskar gas mai ƙarfi.
2.3 Haɗawa C: SA-210 Gr.C + UNS N08825 (Incoloy 825 / 2.4858)
| Sigogi | Core (Baya baya) | Rufe (CRA) |
| Kayan Aiki | SA-210 Gr.C / EN10216-2 | UNS N08825 (Incoloy 825) |
| Daidaitacce | ASME Sashe na II Sashe na A / EN10216 2 | SB 163 / VdTUV 432 |
| Amfani na yau da kullun | Masu dumama ruwa na tukunyar ruwa, masu musayar zafi na matatar mai | Sabis mai tsami (H₂S + CO₂ + chlorides), rage acid |
| Matsakaicin zafin aiki | ~450°C | ~450°C (a cikin ruwan tsami) |
| Kauri na rufi | – | 2.0 – 3.5 mm |
| Fa'idodi | Tushen mai inganci, mai kyau tauri | Mai bin ƙa'idar NACE MR0175; yana tsayayya da SSC, HIC, da tsatsa gabaɗaya a cikin H₂S mai danshi |
Mafi kyau ga:Na'urorin dumama ruwa a masana'antun sarrafa iskar gas, na'urorin musanya zafi da ke sarrafa ruwan da aka samar ko maganin amine, duk wani aiki da ke buƙatar babban aminci daga tsatsa mai tsami.
3. Tsarin Kerawa - Daga Billet zuwa Tube Mai Cikakke
Ana sarrafa hanyar samarwa sosai don tabbatar da amincin haɗin gwiwa da kuma bin diddigin sa.
| Matakin mataki | Aiki | Maɓallan Maɓalli | Dubawa |
| 1 | Haɗaɗɗen taron billet | An gaji da gindi, an saka layin CRA, an rufe injin tsotsa (≤10 Pa) | Na gani, girma |
| 2 | Fitar zafi | 1150-1250°C, rabon raguwa ≥8:1, sarrafa gudu | Rikodin zafin jiki, na gani na saman da aka fitar |
| 3 | Kammalawa cikin sanyi | Zane mai sanyi ko aikin haƙowa (wuce-wuce da yawa tare da matsakaicin zubar da ruwa) | Duba girma a kowane wucewa |
| 4 | Maganin zafi | Daidaita + zafin jiki don core; annealing na maganin CRA (ya danganta da matakin) | An rubuta jadawalin zafin jiki na lokaci, gwajin tauri |
| 5 | Pickling | Nutsewa a cikin baho na HNO₃+HF, sannan a wanke da ruwa | Gwajin gani a saman, gwajin danshi, tabbatar da babu sikelin |
| 6 | Daidaitawa da yankewa | Daidaita daidai, a yanka zuwa tsawon da aka tsara | Duba madaidaiciyar laser (≤1.5mm/m) |
| 7 | NDT & gwajin ruwa | A kowane Sashe na 4 | Rahotanni da aka bayar |
| 8 | Ƙarshen ƙarewa da marufi | Ƙarshen bevel (idan an ƙayyade), mai, murfi na filastik | Jerin gani, marufi |
4. Shirin Dubawa da Gwaji - Cimma Ka'idojin ASME da EN
Duk bututun da aka lulluɓe ba tare da matsala ba za a yi musu gwaje-gwaje masu zuwa, waɗanda aka yi la'akari da su bisa ga ƙa'idodin da abokin ciniki ya ƙayyade: ASTM E213, ISO 10893-10, EN12952-2 (gami da sashi na C), da ASME SA-450.
| Gwaji | Daidaitacce | Faɗin | Karɓa |
| Gwajin Ultrasonic 100% (kurakurai na tsayi) | ASTM E213, ISO 10893-10 | Tsawon bututun cikakken tsayi, nutsewa ta atomatik ko hanyar tuntuɓar juna | Babu wata nakasa da ta wuce matakin tunani; lahani na layi > an ƙi tsawon da aka yarda |
| Gwajin Hydrostatic | ASME SA-450 / EN12952-2 | Kowace bututu, matsin lamba ≥ 1.5× matsin lamba na ƙira, riƙe ≥10s | Babu ɓuya, faɗaɗawa ta dindindin a cikin iyaka |
| Gwajin tensile (ainihin kayan) | SA-210 / SA-213 / EN10216-2 | Kowace zafi / rukuni | Tsarin gamuwa da yawa, tensile, elongation |
| Gwajin lanƙwasawa | ASME SA-450 | Ɗaya ga kowane zafi / girma | Babu tsagewa har sai an sami nisa tsakanin faranti = 2/3 OD (ko kuma kamar yadda aka saba) |
| Gwajin tauri | EN12952-2 C | Core da cladding (zaɓi ne don yankin haɗin) | Tsarin ≤, rufin ≤ takamaiman bayani |
| Na gani & girma | SA-450 / EN12952-2 | 100% | OD, kauri bango, tsayi, kammala saman, yanayin bevel |
Karin gwaje-gwaje idan an buƙata:
● Ƙarfin yanke haɗin gwiwa (gwajin turawa) ga kowane API 5LD
● Tsatsa tsakanin tsatsa (ASTM A262 Practice E don rufin austenitic)
● Tasirin Charpy (cibiya a yanayin zafi da aka ƙayyade)
● NACE TM0177 / TM0284 don yin amfani da tsami (a kan bututun Incoloy 825 masu rufi)
● Gano kayan da aka yi da XRF (PMI) mai kyau
Takaddun shaida:EN 10204 Nau'i na 3.1 (daidaitacce). Nau'i na 3.2 tare da shaida na ɓangare na uku (SGS, BV, DNV, TÜV, ABS, LR) ana samunsa akan ƙarin farashi.
5. Girman Girma & Juriya
Bututun ƙarfe mara sumul ta hanyar extrusion mai zafi + ƙarewa mai sanyi yawanci ana samun su a:
| Sigogi | Kewaya / Juriya |
| Diamita na waje (OD) | 25 mm – 168 mm (1″ – 6″). Ana iya samun manyan diamita ta hanyar wani tsari daban (misali, an haɗa shi da hot birgima + an haɗa shi da walda) – tuntuɓi don ƙarin bayani. |
| Kauri a tsakiyar bango | 3 mm - 15 mm (ya dogara da OD da ƙimar matsin lamba) |
| Kauri na rufi | 1.5 mm – 3.5 mm (mafi ƙarancin 1.5 mm don ingantaccen haɗin haɗi) |
| Tsawon | 6 m - 15 m na musamman; ya fi tsayi akan buƙata ta musamman |
| Juriyar OD | ±0.5 mm ga OD <100mm; ±0.75% ga OD ≥100mm |
| Juriyar kauri bango | ±10% (cibiya kawai; an auna rufin daban) |
| Daidaito | ≤1.5 mm a kowace mita |
Ana iya tattauna ma'auni na musamman.
6. Aikace-aikace dalla-dalla
6.1 Bango da Masu Inganta Tattalin Arziki na Ruwan Boiler (Haɗin A – SA-210+304L)
●Aiki:Ruwa yana shan zafi daga iskar gas mai gurbata muhalli. A saman ciki na iya ganin nau'ikan da ke lalata muhalli daga ruwan abinci ko kuma tsaftace acid lokaci-lokaci. Rufin 304L yana hana tafiye-tafiyen pH mai ƙarancin yawa kuma yana hana ramuka.
● Fa'ida akan ƙarfe mara hayaniya:Yana kawar da buƙatar allurar sinadarai ko rage yawan tsatsa, yana ba da damar yin sirara da kuma ginawa mai sauƙi.
6.2 Na'urorin dumama da na'urorin sake dumama (Haɗin B – T91+Alloy 28)
● Kalubale:Iskar gas ta gefen tururi, da kuma iskar gas ta waje da ke ɗauke da sulfur da chlorides suna haifar da tsatsa mai zafi. T91 yana ba da ƙarfin rarrafe; Alloy 28 yana tsayayya da tsatsa mai zafi a lokacin farawa/kashewa.
● Fa'idar filin:Tsawon lokacin da bututun ke ɗauka tsakanin lokacin da ba a cika aiki ba, rage haɗarin toshewar bututun da ke gefen tururi.
6.3 Na'urorin dumama ruwa na abinci masu tsami (Haɗin C – SA-210+Incoloy 825)
Muhalli:Babban H₂S, CO₂, chlorides a gefen ruwa/tururi. Karfe mai ɗauke da carbon zai lalace ta hanyar fashewar damuwa ta sulfide cikin watanni. Bututun Incoloy 825 mai rufi yana ba da cikakken tabbacin aikin tsatsa tare da rage farashi mai yawa idan aka kwatanta da ƙarfe 825 mai ƙarfi.
6.4 Masu Canja Zafi Mai Matsi Mai Yawa (duk haɗuwa)
Masu musayar zafi na Shell & Tubeinda ruwan gefen bututun yake da lalata amma gefen harsashi ba ya da illa. Bututun da aka lulluɓe suna ba da damar amfani da takardar bututun ƙarfe na carbon (tare da rufin CRA) da kuma cikakken rufin a cikin bututun.6.5 Maido da Zafin Shara (musamman tsire-tsire masu sinadarin sulfuric acid)
Gefen mai mai zafi:har zuwa 600°C; T91 na waje (ko SA-210 tare da isasshen sanyaya). Abubuwan da suka shafi saman ciki suna rage yawan acid - Alloy 28 ko 304L yana tsayayya da hari. Tsarin da ba shi da sumul yana hana zubewa ta hanyar walda mai tsayi wanda zai zama bala'i a cikin aikin acid.
Yanayin Fuskar - An yi wa ado da kuma an yi wa ado da kyau
Sharaɗin isarwa na yau da kullun ga dukkan haɗuwa uku shinean yayyanka kuma an cire.
●Gyada:Yana cire ma'aunin zafi (ƙarfe mai kauri) da aka samar yayin fitar da zafi da kuma maganin zafi. Ruwan acid (HNO₃ + HF) yana narkar da ma'aunin ba tare da ya kai hari ga ƙarfen tushe ba sosai.
● Rashin yarda:Bayan an cire ɗanɗanon, wani siririn fim mai ɗauke da sinadarin chromium yana fitowa kwatsam a saman bakin ƙarfe da kuma ƙarfen nickel, wanda hakan ke ƙara juriya ga tsatsa.
● Fa'ida:A shirye don shigarwa - babu buƙatar ƙarin tsaftacewa ko harbin bindiga. Ya dace da ruwa mai tsafta da ayyukan sinadarai masu mahimmanci.
● Zaɓaɓɓun hanyoyin gyaran fuska:Man shafawa don hana tsatsa na ɗan gajeren lokaci (a kan ƙarfen carbon da aka fallasa a ƙarshensa) - ƙayyade idan akwai buƙata.
● Idan ana buƙatar wani tsari daban na gogewa (misali, gogewa, fashewar harbi, babu ɗanɗano), da fatan za a nemi a lokacin yin oda.
8. Takardu Masu Inganci & Bibiya
Kowace jigilar kaya ta ƙunshi cikakken fayil mai inganci:
● Takardar shaidar EN 10204 Type 3.1(binciken sinadarai na tsakiya da rufin rufi, sakamakon tensile na tsakiya, tabbatar da gwajin hydrostatic, taƙaitaccen rahoton UT)
●Rahoton dubawa na girma(OD, WT, tsawon da aka rubuta a kowane fakiti)
●Cikakken rajistan ayyukan gwajin ultrasonic(ko taƙaitaccen bayani tare da sanarwar karɓa)
●Jadawalin maganin zafi(launuka na zafin jiki na lokaci) don rukuni
●Bayanan tsarin girbi(yawan sinadarin acid, zafin jiki, tsawon lokaci)
●Jerin shiryawa da lissafin kasuwanci
●Zaɓi:Takardar shaidar nau'in EN 10204 3.2 tare da shaida ta ɓangare na uku (ƙarin kuɗi)
Duk takardu suna da alaƙa da lambobin zafi da aka buga a kan kowace bututu (tambarin mutu mai ƙarancin damuwa ga kowace ASME SA-450).
9. Isarwa da Kayan Aiki
●Marufi na yau da kullun:Murfin ƙarshen roba, wanda aka ɗaure a cikin maƙullan ƙarfe tare da na'urorin ɗiban katako (don ƙananan OD) ko kuma kujerun ɗaiɗaikun mutane (don manyan OD). Murfin da ba ya hana ruwa shiga don jigilar kaya a teku.
●Sharuɗɗan jigilar kaya:FOB Shanghai/Tianjin (wanda aka fi sani da FOB), CFR, CIF zuwa kowace babbar tashar jiragen ruwa. Muna shirya kwantena ko kuma mu karya babban abu.
●Lokacin jagora (kimantawa):
● Haɗin A (SA-210+304L):Makonni 12-14 bayan tabbatar da oda (ya danganta da kayan da aka yi amfani da su)
● Haɗakar B (T91+Alloy 28):Makonni 16-20 (sayen ƙarfe na musamman)
● Haɗin C (SA-210+Incoloy 825):Makonni 16-20 (Incoloy 825 tushe)
Rage lokacin jagora da zai yiwu don sake yin oda.
●Mafi ƙarancin adadin oda:Babu tsauraran MOQ don adadin gwaji (misali, mita 100-200). Tuntuɓi don ƙaramin farashin rukuni.
10. Tambayoyin da Ake Yawan Yi (Tambayoyin da Ake Yawan Yi) - Fasaha da Kasuwanci
T1: Me yasa za a ƙayyade bututun da aka lulluɓe ba tare da lanƙwasa ba maimakon bututun da aka lulluɓe da walda?
A: Bututun da aka lulluɓe da sumul yana dababu kabu na walda mai tsayia cikin ko dai cikin zuciyar ko kuma a cikin rufin. Wannan yana kawar da yiwuwar lalacewar wurin aiki a ƙarƙashin gajiyar zafi, sabis na hydrogen, ko matsin lamba mai yawa. Hakanan yana guje wa duk wani haɗarin yankewa a ƙarƙashin walda ko rashin haɗuwa wanda zai iya haifar da tsatsa. Ga bututun mai dumama da na musanya zafi waɗanda dole ne su wuce ƙa'idodin lamba masu tsauri (Sashe na ASME I, EN12952), sau da yawa dole ne sumul.
T2: Za ku iya samar da bututun da aka lulluɓe da CRA a waje maimakon ciki?
A: Eh. Ana iya mayar da tsarin fitar da iskar: sanya CRA a kan OD da kuma ƙarfen carbon/alloy a kan ID. Da fatan za a fayyace a lokacin da aka tambaya.
T3: Menene ƙarfin haɗin rufin?
A: Ƙarfin yankewa da aka auna daga gwaje-gwajen turawa shine ≥300 MPa. Wannan ya wuce buƙatun API 5LD ko kowane ma'auni da aka sani. Ga bututun da aka ɗaure da extrusion, ana ɗaukar haɗin haɗin da ba za a iya raba shi ba a ƙarƙashin nauyin sabis na yau da kullun.
T4: Shin kuna yin gwajin ultrasonic zuwa ASTM E213 ko ISO 10893-10?
A: Muna da kayan aiki don gwadawa bisa ga ƙa'idodi biyu. Yawanci muna bayar da ISO 10893-10 don oda da aka nufa a Turai da kuma ASTM E213 don bin ƙa'idodin ASME. Da fatan za a faɗi abin da kuka fi so; za mu iya yin gwaji tare.
T5: Yaya game da EN12952-2 sashi na C - shin maganin zafi da gwajin ku sun dace?
A: Eh. Ana sarrafa kuma ana rubuta zagayowar daidaitawa da zafin jiki kamar yadda EN12952-2 C ta buƙata. Yawan gwajin injina, daidaitawa, da gwajin hydrostatic ya cika ko ya wuce ƙa'ida. Za mu iya samar da matrix na bin ƙa'ida.
T6: Shin saman tsinken ya dace da aikin iskar oxygen / hydrogen / tururi mai tsabta?
A: Pickling yana cire oxides amma yana iya barin alamun acid ko danshi. Don amfani mai tsafta, muna ba da shawarar ƙarinrage mai da kuma passivation(ba a haɗa shi cikin tsarin girki na yau da kullun ba). Da fatan za a fayyace wannan buƙatar.
Q7: Ta yaya zan ƙayyade ainihin ma'auni don kowane haɗin gwiwa?
A: Bayar da:
● Diamita na waje (OD) na bututun da aka gama
● Kauri daga bangon tsakiya (ƙarfe mai goyan baya)
● Kauri na rufin (CRA)
● Tsawonsa ɗaya (misali, mita 6, mita 12) da jimillar tsawonsa (m) a kowace haɗuwa
T8: Za ku iya samar da waɗannan bututun da aka lulluɓe a cikin tsarin U-bent?
A: Eh, za mu iya lanƙwasa bututun da aka gama da tsinken (lanƙwasa mai sanyi tare da mandrel) sannan a biyo baya da maganin zafi mai rage damuwa da kuma NDT 100% na ɓangaren lanƙwasa. Da fatan za a nemi ƙiyasin daban don U-bends.
T9: Waɗanne zaɓuɓɓukan dubawa na ɓangare na uku ne ke akwai?
A: Muna aiki akai-akai tare da SGS, BV, DNV, TÜV, ABS, da LR. Mai duba zai iya shaida duk gwaje-gwajen da aka zaɓa ko aka zaɓa (hydro, UT, tensile, dimensional). Sannan za mu bayar da takaddun shaida na EN 10204 Type 3.2.
T10: Shin kuna adana waɗannan bututun da aka lulluɓe da su?
A: Kullum muna samarwa ne bisa ga oda. Duk da haka, kayayyaki na yau da kullun kamar SA-210+304L a cikin diamita masu shahara (misali, 63.5×4.88×1.65mm, tsawon 6m) na iya samuwa daga rukunin da ya gabata - don Allah a tambaya.
Q11: Menene kwatancen farashi idan aka kwatanta da bututun ƙarfe mai ƙarfi?
A: Don irin wannan matsi, bututun da aka lulluɓe (misali, T91+Alloy 28) yawanci yana kashe kuɗiKashi 40-50% ƙasa da hakafiye da bututun Alloy 28 mai ƙarfi wanda yake daidai da OD da kauri na bango. Ga SA-210+Incoloy 825, tanadi na iya zama kashi 50-60% idan aka kwatanta da 825 mai ƙarfi. Daidaiton tattalin arziki ya dogara ne akan kauri na rufin da kayan ciki.
T12: Shin kuna da gogewa tare da takardar shaidar VdTUV (misali, don Incoloy 825 ga kowane VdTUV 432)?
A: Eh. Mun samar da bututun da aka lulluɓe ga masu sarrafa masana'antar Jamus waɗanda ke buƙatar amincewar VdTUV. Za mu iya ɗaukar mai binciken ƙasa mai izini don karɓar kayan VdTUV tare da samar da takaddun da ake buƙata.
Q13: Ta yaya ƙarshen bututun yake ƙarewa?
A: Daidaitacce: yanke murabba'i mai sauƙi, an cire shi. A zaɓi: yanke (30-35°), zare (don haɗin injina), ko tsagi. Ana iya samar da ƙarshen yanke tare daMan shafawa na CRA(wani Layer na ƙarfe mai kama da ƙarfe mai walda a kan fuskar bevel) don hana narkewa yayin walda a filin. Da fatan za a ƙayyade.
T14: Menene mafi ƙarancin kauri na rufin don ingantaccen haɗin extrusion?
A: 1.5 mm shine mafi ƙarancin aminci ga bututun da aka saka a ciki wanda ba shi da matsala. Don kauri na rufin da bai kai mm 1.5 ba, ingancin haɗin yana raguwa; za mu ba da shawarar bututun da aka saka a ciki wanda aka saka a welded maimakon. Ga yawancin abubuwan da ke hana tsatsa, 2.0 2.5 mm abu ne da aka saba gani.
Q15: Akwai iyaka ta matsakaicin tsayi ga bututun da aka lulluɓe da sumul?
A: Ƙarfin matsewar fitarwa yana iyakance tsawon guda ɗaya zuwa kimanin mita 15 ga diamita ƙasa da mm 100. Ga manyan diamita, matsakaicin tsawon yakan yi gajere (mita 12). Idan ana buƙatar tsayi masu tsayi (misali, don jujjuyawa), za mu iya bincika yuwuwar zana dogon sassa na sanyi daga bututun uwa da aka fitar.
11. Tuntuɓi Womic Steel don samun ƙimar fasaha
Don tambayoyi kan bututun ƙarfe mara sulke - wanda aka fitar da zafi, an gama da sanyi, an yi masa magani da zafi, kuma an yayyanka - da fatan za a aiko da jerin abubuwan da ake buƙata (core + cladding, girma, yawa, tsayi, matakin takaddun shaida). Za mu amsa tare da cikakken tayin fasaha, lokacin isarwa, da farashi.
Yanar Gizo: www.womicsteel.com
Imel: sales@womicsteel.com
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Jack: +86 18390957568
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