Zvinhu Zvikuru (Chitsigiro)
● SA-210 Gr.C / EN10216-2 (simbi yekabhoni - sevhisi yebhoyira)
● SA-213 T91 (X10CrMoVNb9-1 / 1.4903 - simbi yesimbi inodzivirira kukambaira)
Kufukidza (CRA lining):
● TP304L (1.4306) - simbi isina ngura inonyungudika inodzivirira ngura zvakanyanya
● UNS N08028 (1.4563 / Alloy 28) – alloy ine Cr/Ni/Mo/Cu yakawanda yenzvimbo dzine acidic nechloride
● UNS N08825 (2.4858 / Incoloy 825) – alloy yakagadzirwa ne nickel ye gasi rinovava, H₂S/CO₂/chloride
Nzira Yekuita:Kupisa kunobuda → kupedzisa kunotonhora → kurapwa nekupisa → kusvina. Kunyatsobuda zvakanaka, hapana weld refu. Simba rekuchekerera resimbi ≥300 MPa.
Kuedzwa & Chitupa:100% hydrostatic test, ultrasonic test zvichienderana neASTM E213 uye ISO 10893-10. Kutevedzera ASME Chikamu II Chikamu A, EN12952-2 (kusanganisira Chikamu C). Chitupa chemugayo EN 10204 Rudzi 3.1 (Rudzi 3.2 nechapupu chechitatu chisingadiwi).
Mashandisirwo:Madziro emvura ebhoira, ma superheater, ma reheater, ma high pressure heat exchangers, ma waste heat recovery units, sour service boiler feedwater heaters, michina ye refinery heat transfer.
Simbi yeWomicinopa pombi dzakaputirwa zvakanaka dzinotevedzana dzakagadzirwa maererano nemakodhi eEurope neASME. Sarudza musanganiswa wako wepakati nepakati. Kuongorora kwevamwe vanhu uye kuongororwa kwevapupuri kuripo. Tibate kuti uwane mapepa eruzivo rwehunyanzvi uye mutengo wekutumira.
1. Pfupiso yeChigadzirwa - Pipe yesimbi isina musono neHot Extrusion
Pombi isina musono yesimbi yakasiyana zvikuru nepombi dzakarukwa nemakanika kana pombi dzakarukwa dzakasungirirwa. Pakati nepakati pepombi zvinobatanidzwa zvachose nekupararira kwemaatomu panguva yekupisa, zvichigadzira chisungo chisingakwanise kupatsanurwa pasi pekupisa, kumanikidzwa kwemhepo, kana kukotama.
Sei pasina musono (pasina weld refu)?
Misono ye weld yakareba inogona kukanganisa kana tembiricha yakakwira, uye pressure yakakwira. Kuvakwa kwacho kusina musono kunobvisa njodzi iyi zvachose. Maitiro ekupisa anonatsawo chimiro chegorosi, zvichivandudza simba re creep uye kuramba kuneta.
Sei kupiswa + kupedzisa kuchitonhora + kurapwa nekupisa + kusvina?
●Kupisa kwekunze:Inozadzisa chisungo chesimbi pakumanikidzwa kwakanyanya uye tembiricha, ichideredza chikamu chepakati ne >8:1 - inoita kuti ruzha ruvepo.
● Kupedzisa nechando (kudhirowa nechando / kukwira zvinhu):Inopa OD chaiyo uye kushivirira ukobvu hwemadziro, kupedzisa kwepamusoro kwakanaka, uye kuwedzera hunhu hwemakanika kuburikidza nekuomesa basa (zvinoteverwa nekupisa kwakakodzera).
● Kurapa kupisa:Inodzoreredza ductility, inoderedza kushushikana, uye inovandudza microstructure inodiwa (semuenzaniso, normalizing + tempering yeSA-210 Gr.C neT91; solution annealing yeCRA layers).
● Kusvina:Inobvisa oxide scale (magnetite, hematite) yasara kubva pakupisa uye pakupisa. Mugumisiro wacho unova nzvimbo yakachena ine makemikari, isina scale yakavharirwa - inokosha kuti boiler uye heat exchanger igare kwenguva refu.
Musanganiswa uyu unoburitsa chubhu inosangana nezvinodiwa zvakanyanya zveASME Section I, EN12952, uye PED 2014/68/EU.
2. Kusanganiswa kwezvinhu - Core + Cladding
Misanganiswa mitatu inonyanya kukumbirwa kubva kumapurojekiti emagetsi nemakemikari epetrochemical yakatsanangurwa pazasi. Imwe neimwe inotarisa mamiriro akasiyana ebasa.
2.1 Musanganiswa A: SA-210 Gr.C + TP304L (1.4306)
| Paramita | Core (Chitsigiro) | Kufukidza (CRA) |
| Zvinhu | SA-210 Gr.C / EN10216-2 | TP304L (1.4306) |
| Zvakajairika | Chikamu cheASME II Chikamu A / EN10216-2 | ASME SA-213 / EN10088-3 |
| Kushandiswa kwakajairika | Madziro emvura ebhoira, zvinochengetedza hupfumi, zvinopisa zvinodziya zvishoma | Dziviriro huru kubva mumvura ine acidic zvishoma, ine oxygen |
| Tembiricha yepamusoro yebasa | ~450°C | ~400°C (muzvinhu zvinopisa) |
| Ukobvu hwekufukidza | – | 1.5 - 3.0 mm |
| Zvakanakira | Kuchinjika kwakanaka, mutengo uri pakati nepakati, uye kunowanikwa zvakanyanya | Kabhoni shoma inodzivirira kunzwa; inodzivirira kuoxidation uye ngura yakawanda |
Zvakanakira:Machubhu emvura emuboiler anoshandiswa pamadziro echinyakare aishandiswa marasha apo mukati memvura yaibata mvura/utsi nekuchenesa asidhi dzimwe nguva kana kusvibiswa zvishoma.
2.2 Musanganiswa B: SA-213 T91 (1.4903) + UNS N08028 (Alloy 28 / 1.4563)
| Paramita | Core (Chitsigiro) | Kufukidza (CRA) |
| Zvinhu | SA-213 T91 Rudzi 1 (X10CrMoVNb9-1) | UNS N08028 (Alloy 28) |
| Zvakajairika | Chikamu cheASME II Chikamu A / EN10216 2 | SB 668 / EN10088-3 |
| Kushandiswa kwakajairika | Ma superheaters/ ma reheaters anodziya zvakanyanya, ma "removers" anodziya marara | Gasi rine acidic flue condensate (sulfuric/phosphoric acid), rine machlori akawanda |
| Tembiricha yepamusoro yebasa | 650°C (nzvimbo inokwira) | 450°C (iri mukushanda kwekupisa) |
| Ukobvu hwekufukidza | – | 2.0 – 3.5 mm |
| Zvakanakira | Simba rakanaka kwazvo rekuputika kwemvura, kuramba oxidation | PREN 38-40; inodzivirira kupwanyika kwegomba, kukuvara kwakatsemuka, uye kukuvara kwakakombama mumachloride |
Zvakanakira:Zvikamu zvekupedzisira zvekupisa zvine simba guru, mabhoyira ekudzoreredza kupisa kwakasviba ari pasi pemiti yesulfuric acid, mabhoyira ebiomass ane chlorine yakawanda mugasi reflue.
2.3 Musanganiswa C: SA-210 Gr.C + UNS N08825 (Incoloy 825 / 2.4858)
| Paramita | Core (Chitsigiro) | Kufukidza (CRA) |
| Zvinhu | SA-210 Gr.C / EN10216-2 | UNS N08825 (Incoloy 825) |
| Zvakajairika | Chikamu cheASME II Chikamu A / EN10216 2 | SB 163 / VdTUV 432 |
| Kushandiswa kwakajairika | Zvidziyo zvemvura zvinodziya mubhoyira, zvinochinja-chinja kupisa mufekitori | Basa resora (H₂S + CO₂ + chlorides), rinoderedza acids |
| Tembiricha yepamusoro yebasa | ~450°C | ~450°C (mubasa rakaoma) |
| Ukobvu hwekufukidza | – | 2.0 – 3.5 mm |
| Zvakanakira | Hunhu hwepakati hunoshanda zvakanaka, kusimba kwakanaka | NACE MR0175 inoenderana; inodzivirira SSC, HIC, uye ngura muH₂S yakanyorova |
Zvakanakira:Zvidziyo zvemvura zvinodziya mufekitori dzinogadzira gasi, zvidziyo zvinochinja-chinja kupisa zvinobata mvura kana amine zvinogadzirwa, chero basa rinoda kuvimbika kwakanyanya kubva mukuora.
3. Maitiro Ekugadzira - Kubva paBillet kusvika paPickled Tube
Nzira yekugadzira inodzorwa zvakasimba kuti ive nechokwadi chekuti bond yacho yakavimbika uye kuti inoteverwa zvakanaka.
| Danho | Kushanda | MaParamita Akakosha | Kuongorora |
| 1 | gungano re billet rinoumbwa nemafuta | Yakaboorwa nepakati, CRA liner yakaiswa, yakavharirwa vacuum (≤10 Pa) | Zvinoonekwa, zvine mativi |
| 2 | Kupisa kwekunze | 1150-1250°C, chiyero chekuderedza ≥8:1, kumhanya kunodzorwa | Kurekodha tembiricha, mufananidzo wenzvimbo yakaburitswa |
| 3 | Kupedzisa kunotonhora | Kudhonza kana kukweva zvinhu nechando (kupfuura kakawanda ne intermediate annealing) | Kutarisa saizi papasi rega rega |
| 4 | Kurapa kupisa | Kugadzirisa + kudziya kwepakati; kunyorovesa mhinduro yeCRA (zvichienderana negiredhi) | Chati yekupisa kwenguva yakanyorwa, bvunzo yekuomarara |
| 5 | Kusvuta | Kunyudzwa mubhavhu reHNO₃+HF, wozosukwa nemvura | Kuonekwa kwepamusoro, bvunzo yekunyorova, kusimbiswa kusina chikero |
| 6 | Kururamisa & kucheka | Kururamisa nemazvo, kucheka kusvika pakureba kwakarongeka | Kuongororwa kweLaser kwekutwasuka (≤1.5mm/m) |
| 7 | NDT & hydrotest | Pachikamu chechina | Mishumo yakabudiswa |
| 8 | Pedza kupedzisa & kurongedza | Migumo yebevel (kana yakatsanangurwa), mafuta ekuzora, zvivharo zvepurasitiki | Rondedzero yezvinoonekwa, yekurongedza |
4. Chirongwa cheKuongorora & Kuyedza - Kusangana neASME & EN Standards
Mapaipi ese akaputirwa musono anoedzwa zvinotevera, zvichienderana nezvinodiwa nemutengi: ASTM E213, ISO 10893-10, EN12952-2 (kusanganisira chikamu C), uye ASME SA-450.
| Bvunzo | Zvakajairika | Chikamu | Kugamuchira |
| Kuongororwa kweUltrasonic 100% (kusakwana kwenguva refu) | ASTM E213, ISO 10893-10 | Kureba kwechubhu yakazara, kunyudzwa otomatiki kana nzira yekubata | Hapana echo yekukanganisa inodarika nhanho yekunongedzera; zvikanganiso zvemutsetse > kureba kunogamuchirika kwakarambwa |
| Kuedzwa kwemvura | ASME SA-450 / EN12952-2 | Chubhu yega yega, kumanikidzwa ≥ 1.5× kumanikidzwa kwedhizaini, bata ≥10s | Hapana kubuda kwemvura, kuwedzera kusingaperi mukati memuganhu |
| Kuedza kwekukwesha (chinhu chikuru) | SA-210 / SA-213 / EN10216-2 | Pakupisa / batch | Kugohorera, kusimba, kureba zvinosangana nezvinodiwa |
| Bvunzo rekuti "flattening" | ASME SA-450 | Imwe pakupisa / saizi | Hapana mitswe kusvika daro remaplate = 2/3 OD (kana zvichienderana nezvinodiwa) |
| Kuedza kwekuoma | EN12952-2 C | Core necladding (zvingasarudzwa panzvimbo yechisungo) | Core ≤ spec, cladding ≤ spec |
| Zvinoonekwa uye zvine mativi | SA-450 / EN12952-2 | 100% | OD, ukobvu hwemadziro, kureba, kupedzisa pamusoro, mamiriro ebhevel |
Miedzo yekuwedzera kana yakumbirwa:
● Simba rekuchekerera chisungo (kuyedza kusundidzira) pa API 5LD imwe neimwe
● Kuora kwepakati pegranular (ASTM A262 Practice E yekuvhara jira re austenitic)
● Kukanganiswa kweCharpy (pakati pakupisa kwakatarwa)
● NACE TM0177 / TM0284 yekushandira sour (pamapombi ane clad eIncoloy 825)
● Kuzivikanwa kwezvinhu zvakanaka (PMI) kwekuvhara neXRF
Zvitupa:EN 10204 Rudzi 3.1 (yakajairwa). Rudzi 3.2 nechapupu chemumwe munhu (SGS, BV, DNV, TÜV, ABS, LR) inowanikwa nemutengo wekuwedzera.
5. Dimensional Range & Tolerances
Pombi isina musono yesimbi inopfekwa nesimbi inobuda nekupisa + kupedzisa nechando inowanikwa mu:
| Paramita | Rudzi / Kushivirira |
| Dhayamita yekunze (OD) | 25 mm – 168 mm (1″ – 6″). Dhayamita hombe dzinogoneka kuburikidza nemaitiro akasiyana (semuenzaniso, hot roll bonded + welded) - taura nesu kuti uwane rumwe ruzivo. |
| Ukobvu hwemadziro epakati | 3 mm - 15 mm (zvinoenderana neOD uye chiyero chekumanikidzwa) |
| Ukobvu hwekufukidza | 1.5 mm – 3.5 mm (zvishoma 1.5 mm kuti pave nechisungo chakavimbika) |
| Kureba | 6 m - 15 m imwe chete; yakareba kana wakumbirwa |
| Kushivirira kweOD | ± 0.5 mm yeOD <100mm; ± 0.75% yeOD ≥100mm |
| Kushivirira ukobvu hwemadziro | ±10% (pakati chete; cladding inoyerwa yoga) |
| Kururama | ≤1.5 mm pamita imwe neimwe |
Zviyero zvemhando yepamusoro zvinogona kukurukurwa.
6. Zvikumbiro Zvakadzama
6.1 Madziro Emvura Ebhoira & Zvinochengetedza Mari (Musanganiswa A – SA-210+304L)
●Basa:Mvura inonwisa kupisa kubva mugasi rinoyerera. Pamusoro pemvura inogona kukonzera ngura kana kucheneswa neasidhi dzimwe nguva. 304L cladding inodzivirira pH yakaderera uye inodzivirira kudonha kwemvura.
● Kubatsira pane simbi isina kabhoni:Inobvisa kudiwa kwekuyerwa kwemakemikari kana kuderedza ngura, zvichiita kuti madziro akatetepa uye kuvakwa kwakareruka.
6.2 MaSuperheaters & Reheaters (Musanganiswa B – T91+Alloy 28)
● Dambudziko:Kuoxidation kwemhepo, pamwe negasi rekunze rine sarufa nemachloridhi zvinokonzera ngura pakupisa kwakanyanya. T91 inopa simba rekukwira; Alloy 28 inodzivirira ngura yekudzikira kwegasi panguva yekutanga/kudzima.
● Kubatsirwa kwemunda:Nguva yakareba yekushanda kwemachubhu pakati pekudzima kwemvura, njodzi yekudzikira kwemhepo kubva mumhepo ine oxygen yakadzikira.
6.3 Mahita emvura anodziya (Musanganiswa C – SA-210+Incoloy 825)
Zvakatipoteredza:MaH₂S akawanda, CO₂, machloride ari parutivi rwemvura/mhepo. Simbi yekabhoni ingakundikana kana sulfide ikapwanyika mukati memwedzi yakati wandei. Chubhu yeIncoloy 825 clad inopa kushanda kwakasimba kwesimba uye inochengetedza mari yakawanda kana tichienzanisa ne825 yakasimba.
6.4 Zvishandiso zvekupisa zvine pressure yakakwira (musanganiswa wese)
Zvinochinja-chinja kupisa kweganda nechubhuuko mvura iri parutivi pechubhu inokuvadza asi rutivi rweganda haruna kukuvadza. Machubhu anovhara anobvumira kushandiswa kwechubhu yesimbi yekabhoni (ine CRA lining) uye kufukidza kwakazara mukati mechubhu.6.5 Kudzoreredza Kupisa Kwakaora (kunyanya zvirimwa zvine sulfuric acid)
Rutivi rwegasi rinopisa:Kusvika 600°C; T91 yekunze (kana SA-210 ine kutonhora kwakakwana). Kubata kwemukati kunosanganisa acid condensate - Alloy 28 kana 304L inodzivirira kurwiswa. Dhizaini isina musono inodzivirira kubuda kwemvura kuburikidza ne longitudinal welds izvo zvinogona kuva njodzi huru mukushanda kweacid.
Mamiriro Epamusoro - Yakabikwa & Yakanyungudutswa
Mamiriro ekutumira akajairika emusanganiswa wese mitatu ndeekutizvakabikwa uye zvisina kubikwa.
●Kusakura:Inobvisa chikero chekupisa (iron oxides) chinoumbwa panguva yekupisa uye kurapwa kwekupisa. Asidhi yekugezesa (HNO₃ + HF) inonyungudutsa chikero pasina kurwisa simbi yesimbi zvakanyanya.
● Kunzwa kusuruvara:Mushure mekusakura, firimu diki rine chromium yakawanda oxide rinongoerekana ravapo pamusoro pesimbi isingatsvi uye nickel alloy, zvichiita kuti ngura isarambe iripo.
● Kubatsirwa:Yagadzirira kuiswa - hapana chikonzero chekuwedzera kucheneswa kana kupfurwa nepfuti. Yakakodzera kushandiswa mumvura yakachena uye mishonga inokuvadza.
● Kurapa pamusoro pechinhu chimwe chete:Kuisa mafuta ekudzivirira ngura kwenguva pfupi (pakati pesimbi yekabhoni inoonekwa pamucheto) - taura kana zvichidikanwa.
● Kana zvichidikanwa kupedzisa kwakasiyana pamusoro (semuenzaniso, kupolisha, kupfura nepfuti, pasina kusvina), ndapota kumbirai panguva yekuraira.
8. Magwaro Emhando Yepamusoro uye Kutevedza Kwazvo
Kutumirwa kwega kwega kunosanganisira dossier yemhando yepamusoro yakazara:
● Chitupa cheEN 10204 Type 3.1(kuongorora kemikari kwepakati nepakati, mhedzisiro yekusimba kwepakati, kusimbiswa kwekuyedzwa kwehydrostatic, pfupiso yemushumo weUT)
●Mushumo wekuongorora wehukuru(OD, WT, kureba kwakanyorwa pabundle)
●Kuongorora kweUltrasonic kwakazara magwaro(kana pfupiso ine gwaro rekugamuchira)
●Machati ekurapa kupisa(nguva-tembiricha) yeboka
●Rekodhi yemaitiro ekunhonga(huwandu hweasidhi, tembiricha, nguva)
●Rondedzero yekurongedza uye invoice yekutengeserana
●Sarudzo:Chitupa cheEN 10204 Type 3.2 chine chapupu chemumwe munhu (mari yekuwedzera)
Magwaro ese akabatanidzwa nenhamba dzekupisa dzakadhindwa pachubhu yega yega (chitambi che low-stress pa ASME SA-450).
9. Kuendesa & Kutakura Zvinhu
●Kurongedza kwakajairika:Zvivharo zvepurasitiki, zvakasungirirwa muzvisungo zvakasungwa nesimbi zvine zvivharo zvematanda (zveOD diki) kana machira ega ega (zveOD hombe). Chifukidziro chisingapindi mvura chekutakura zvinhu mugungwa.
●Mashoko ekutumira:FOB Shanghai/Tianjin (inonyanya kuwanikwa), CFR, CIF kuenda kune chero chiteshi chikuru. Tinoronga midziyo kana kuputsa bulk.
●Nguva yekutungamira (fungidziro):
● Musanganiswa A (SA-210+304L):Mavhiki gumi nemaviri kusvika gumi nemana kubva pakusimbiswa kweodha (zvinoenderana nemidziyo yezvinhu)
● Musanganiswa B (T91+Alloy 28):Mavhiki 16-20 (kutenga alloy chaiyo)
● Combination C (SA-210+Incoloy 825):Mavhiki 16-20 (Incoloy 825 source)
Nguva shoma yekutumira zvinhu inokwanisika yekudzokorora maodha.
●Huremu hushoma hweodha:Hapana MOQ yakaoma yehuwandu hwekuyedza (semuenzaniso, 100-200 metres). Bata nesu kana uchida mitengo midiki.
10. Mibvunzo Inowanzo bvunzwa (Mibvunzo Inowanzo bvunzwa) - Zvehunyanzvi & Zvekutengeserana
Mubvunzo 1: Sei uchifanira kutaura pombi isina musono panzvimbo pepombi yakasungirirwa yakasungirirwa?
A: Pombi isina musono inehapana musono we weld weld wenguva refumukati kana mukati megomba. Izvi zvinobvisa mukana wekukundikana kana paine kuneta kwekupisa, hydrogen service, kana kumanikidzwa kwakanyanya. Zvinodzivirirawo chero njodzi yekuchekwa kweweld kana kushaya fusion iyo inogona kutanga ngura. Kune machubhu eboiler neheat exchanger anofanira kupasa zvinodiwa nekodhi yakasimba (ASME Section I, EN12952), kusabatana kunowanzo kuve kwakakosha.
Mubvunzo wechipiri: Unogona here kupa pombi yakaputirwa CRA kunze kwete mukati?
A: Ehe. Maitiro ekubvisa zvinhu anogona kudzoserwa shure: isa CRA paOD uye simbi yekabhoni/alloy paID. Ndapota tsanangurai pakubvunza.
Mubvunzo 3: Chii chinonzi simba rechisungo checladding?
A: Simba rekuchekwa kwesimbi rinoyerwa kubva mukuyedzwa kwekubuda kunze i ≥300 MPa. Izvi zvinopfuura zvakanyanya zvinodiwa neAPI 5LD kana chero chiyero chinozivikanwa. Kune chubhu yakasungirirwa ne extrusion-bonded, interface inoonekwa seisingaparadzaniswe pasi pemitoro yemazuva ese.
Mubvunzo wechina: Munoita bvunzo ye ultrasonic kuASTM E213 kana ISO 10893-10 here?
A: Takagadzirira kuyedza zvinoenderana nezvinodiwa zvese. Kazhinji tinopa ISO 10893-10 yemirairo yeEurope uye ASTM E213 yekutevedzera ASME. Ndapota taurai zvamunoda; tinogonawo kuita bvunzo yakabatana.
Mubvunzo 5: Ko EN12952-2 chikamu C - kurapwa kwenyu kwekupisa nekuongororwa kunotevedzera here?
A: Ehe. Maitiro edu ekudzora + ekudzikamisa anodzorwa uye anonyorwa sezvinodiwa neEN12952-2 C. Kuwanda kwekuyedza kwemuchina, kupatsanura, uye kuyedza kwehydrostatic kunosangana kana kupfuura mwero. Tinogona kupa matrix yekutevedzera mitemo.
Mubvunzo wechitanhatu: Nzvimbo yekusvinira yakakodzera here kushandiswa kwemhepo yakachena / hydrogen / steam?
A: Kusvuta kunobvisa ma oxide asi kunogona kusiya zvimwe zvinhu zvakaita se acid kana hunyoro. Pakushandisa zvinhu zvine hutsanana hwakawanda, tinokurudzira zvimwe zvinhu.kubvisa mafuta uye kusununguka(haisi mu pickling yakajairika). Ndapota tsanangurai zvinodiwa izvi.
Mubvunzo 7: Ndingatsanangura sei zviyero chaizvo zvemusanganiswa wega wega?
A: Ipa:
● Dhayamita yekunze (OD) yechubhu yakapedzwa
● Ukobvu hwemadziro epakati (simbi inodzosera kumashure)
● Ukobvu hwe cladding (CRA)
● Kureba kumwe chete (semuenzaniso, 6m, 12m) uye hurefu hwese (m) pamusanganiswa wega wega
Mubvunzo wechisere: Munogona here kupa machubhu aya akaputirwa muchimiro cheU-bent?
A: Ehe, tinogona kukotama chubhu yakakangwa yapera (kukotama nechando ne mandrel) zvichiteverwa nekurapwa kwekupisa kwekushushikana uye 100% NDT yechikamu chakakotama. Ndokumbirawo mukumbire mutengo wakasiyana weU-bends.
Mubvunzo 9: Ndedzipi sarudzo dzekuongorora dzevamwe dziripo?
A: Tinogara tichishanda neSGS, BV, DNV, TÜV, ABS, uye LR. Muongorori anogona kuona bvunzo dzese kana dzakasarudzwa (hydro, UT, tensile, dimensional). Tinobva tapa zvitupa zveEN 10204 Type 3.2.
Mubvunzo 10: Munochengeta here mapombi aya akaputirwa?
A: Tinowanzogadzira tichiita odha. Zvisinei, zvinhu zvakajairwa zvakaita seSA-210+304L mudhayamita dzakakurumbira (semuenzaniso, 63.5×4.88×1.65mm, kureba 6m) zvinogona kuwanikwa kubva kune imwe yekare - ndapota bvunzai.
Mubvunzo 11: Ndeipi kuenzanisa kwemutengo unoenderana nechubhu yakasimba ye alloy ine alloy yakawanda?
A: Pakumanikidzwa kwakafanana, chubhu yakaputirwa (semuenzaniso, T91+Alloy 28) inowanzodhura40-50% zvishomakupfuura chubhu yakasimba yeAlloy 28 ine ukobvu hwakaenzana hweOD nemadziro. Kune SA-210+Incoloy 825, kuchengetedza kunogona kuva 50-60% zvichienzaniswa neyakasimba 825. Kubudirira chaiko kunoenderana nekukora kwecladding uye zvinhu zvepakati.
Mubvunzo 12: Une ruzivo here neVdTUV certification (semuenzaniso, yeIncoloy 825 paVdTUV 432)?
A: Ehe. Takapa mapaipi akavharwa kune vanoshanda mumafekitori ekuGermany vanoda mvumo yeVdTUV. Tinogona kukumbira muongorori ane mvumo kuti abvumire zvinhu zveVdTUV uye kupa magwaro anodiwa.
Mubvunzo 13: Migumo yechubhu inopedzwa sei?
A: Yakajairika: yakachekwa sikweya isina chinhu, yakabviswa maburi. Zvingasarudzwa: yakachekwa (30-35°), yakarukwa (yekubatanidza michina), kana kuti yakakombamiswa. Migumo yakachekwa inogona kupihwa neCRA inoisa mafuta(rukoko rwesimbi inonamirana nesimbi inonamirana pamusoro pebevel) kudzivirira kusanganiswa kwesimbi panguva yekunamira. Ndapota tsanangura.
Q14: Ndeipi ukobvu hushoma hwekuvhara chisungo che extrusion chakavimbika?
A: 1.5 mm ndiyo nzira yedu yakachengeteka yekushandisa mapaipi akaputirwa asina musono. Pakukora kwepaipi pasi pe1.5 mm, kuvimbika kwepaipi kunoderera; tinokurudzira mapaipi akaputirwa akaputirwa. Kune akawanda mapombi anobvumira ngura, 2.0 kusvika 2.5 mm ndiyo yakajairika.
Mubvunzo 15: Pane muganho wehurefu hwakanyanya here wepombi yakaputirwa isina musono?
A: Kugona kudzvanya kweextrusion kunoganhurira kureba kwemunhu mumwe chete kusvika paanenge 15 m kune dhayamita dziri pasi pe100 mm. Kune dhayamita hombe, kureba kwakanyanya kunowanzova kupfupi (12 m). Kana kureba kwakareba kuchidikanwa (semuenzaniso, pakutenderedza), tinogona kuongorora kuti zvidimbu zvakareba zvinotorwa sei kubva mumachubhu emvura akaburitswa.
11. Bata Womic Steel kuti uwane Quotation yeTechnical
Kana muchida kubvunza nezve pombi yesimbi isina musono - inopisa yakabviswa, inotonhorera, yakapiswa, uye yakanyungudutswa - ndapota tumirai runyorwa rwemisanganiswa inodiwa (pakati + cladding, saizi, huwandu, kureba, nhanho yetifiketi). Tichapindura neruzivo rwakadzama rwehunyanzvi, nguva yekutumira, uye mutengo.
Webhusaiti: www.womicsteel.com
E-mail: sales@womicsteel.com
Nhare / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568
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