ASTM A240 UNS S32760 Super Duplex Stainless Hlau Phaj
Kev Piav Qhia Luv:
ASTM A240 UNS S32760 super duplex stainless hlau phaj muaj lub zog siab thiab zoo heev chloride corrosion tsis kam rau offshore, marine, siab hlab ntsha thiab cov khoom siv tshuaj. Kev cai tuab, txiav, polishing, MTC thiab EN 10204 3.1 muaj.
UNS S32760 Super Duplex Stainless Steel Plate yog lub zog siab super duplex stainless steel phaj qib feem ntau hu ua F55, EN 1.4501 thiab Zeron 100 hom khoom siv. Nws ua ke ferritic-austenitic duplex microstructure nrog cov chromium, molybdenum, nitrogen, tungsten thiab tooj liab ntxiv rau offshore, marine, pressure equipment, twj tso kua mis, valve thiab cov khoom siv phaj txheej txheem tshuaj lom neeg.
SAKY STEEL muab ASTM A240 / ASME SA240 UNS S32760 stainless hlau phaj thiab txiav phaj hauv No.1, pickled, polished lossis kev cai nto mob. Thickness, dav, ntev, txiav, ntug npaj, polishing, PMI, dimensional kev tshuaj xyuas, MTC thiab EN 10204 3.1 cov ntaub ntawv tuaj yeem muab thaum teev tseg.
Cov Khoom Siv
| Khoom | Cov Lus Qhia Txog Khoom |
|---|---|
| Lub Npe Khoom | UNS S32760 Super Duplex Stainless Steel Phaj |
| Qib | UNS S32760 / F55 / 1.4501 |
| Tsev neeg khoom siv | Super duplex stainless hlau |
| Cov duab ntawm cov khoom | Phaj, daim ntawv thiab phaj txiav |
| Qhov Loj Ntau Yam | Cov phaj loj li qub thiab cov phaj raws li kev txiav txim |
| Qhov tuab | Kev cai tuab raws li qhov project xav tau |
| Qhov Chaw Tiav | No.1, pickled, 2B, polished |
| Kev Xa Khoom | Cov tshuaj annealed thaum xav tau |
| Tus Qauv | ASTM A240 / ASME SA240 |
| Kev kam rau siab | Kev kam rau siab tus qauv lossis kev kos duab tshwj xeeb |
| Cov Kev Pabcuam Muaj | Txiav, txhuam, npaj ntug, ua tshuab |
| Daim Ntawv Pov Thawj | MTC, EN 10204 3.1, daim ntawv qhia PMI |
Cov Tshuaj Lom Zem
UNS S32760 muaj cov chromium, molybdenum thiab nitrogen ntau nrog rau kev ntxiv tungsten thiab tooj liab. Cov tshuaj lom neeg no txhawb nqa tus nqi PREN siab, muaj zog tiv taus pitting thiab kev ua tau zoo hauv ntau qhov chaw muaj chloride.
| Khoom | Cov Ntsiab Lus Siv Ib Txwm Muaj | Kev Ua Haujlwm Txog Kev Siv Tshuab |
|---|---|---|
| Cov pa roj carbon | ≤ 0.03% | Txhawb kev sib txuas thiab kev tiv thaiv corrosion |
| Chromium | 24.0–26.0% | Txhim kho passivation thiab pitting tsis kam |
| Nickel | 6.0–8.0% | Sib npaug duplex microstructure thiab toughness |
| Molybdenum | 3.0–4.0% | Txhim kho qhov tawg thiab chloride pitting tsis kam |
| Nitrogen | 0.20–0.30% | Ua kom muaj zog thiab ruaj khov austenite |
| Tooj liab | 0.50–1.00% | Txhawb kev tiv thaiv hauv cov xov xwm acidic xaiv |
| Tungsten | 0.50–1.00% | Txhim kho qhov kev tiv thaiv xeb hauv zos |
| Manganese | ≤ 1.00% | Tswj rau kev yaj thiab kev sib npaug ntawm cov qauv |
| Silicon | ≤ 1.00% | Kev tswj hwm deoxidation thiab kev ua tiav |
| Hlau | Qhov Nyiaj Tshuav | Cov hlau matrix puag |
Cov tshuaj lom neeg tiag tiag yuav tsum tau lees paub los ntawm cov lus qhia tshwj xeeb ntawm cov khoom siv thiab MTC.
Cov Khoom Siv Kho Tshuab thiab Kev Sib Tsoo
Cov nqi hauv qab no yog cov ntaub ntawv siv rau ASTM A240 / ASME SA240 UNS S32760 phaj hauv cov tshuaj annealed mob ntawm chav tsev kub. Cov nqi tiag tiag nyob ntawm lub phaj tuab, kev kho cua sov, kev taw qhia sim thiab cov lus qhia siv tau.
| Vaj tse | Cov Lus Qhia Txog Ib Txwm Muaj | Mob | Lub ntsiab lus ntawm kev tsim kho vaj tse |
|---|---|---|---|
| Lub zog tensile | ≥ 750 MPa siv | Cov phaj annealed daws teeb meem | Muaj peev xwm ua tau ntau yam |
| Lub Zog Tawm | ≥ 550 MPa siv | Cov phaj annealed daws teeb meem | Muaj zog dua li ntau cov hlau tsis xeb austenitic |
| Kev ntev | ≥ 25% siv | Kub hauv chav tsev | Tswj tau qhov ductility uas muaj txiaj ntsig |
| Qhov nyuaj | ≤ 310 HBW siv | Cov lus qhia tshwj xeeb ntawm phaj | Pab txheeb xyuas qhov xwm txheej ntawm kev xa khoom |
| Qhov Ceev | Kwv yees li 7.8–8.0 g/cm³ | Kev siv lub cev ib txwm muaj | Siv rau kev xam qhov hnyav ntawm phaj |
| PREN | Kwv yees li 40+ tus neeg ib txwm muaj | Nyob ntawm seb muaj pes tsawg yam khoom sib xyaw | Qhia txog kev tiv thaiv xeb hauv zos muaj zog |
| Kev Tiv Thaiv Kev Xeb | Kev tiv taus siab rau chloride pitting thiab SCC | Nyob ntawm ib puag ncig | Muaj txiaj ntsig zoo rau cov khoom siv hauv hiav txwv thiab dej hiav txwv |
Rooj Loj Sib Xws
| Qhov tuab | Dav | Ntev | Nto | Kev Ua Haujlwm Ib Txwm Muaj |
|---|---|---|---|---|
| 1–6 hli | Kev dav dav | Qhov ntev ntawm daim ntawv los yog qhov ntev ntawm daim ntawv txiav | 2B / Kua txob | Kev tsim cov ntawv thiab cov phaj nyias |
| 8–20 hli | Kev dav dav | Txiav kom ntev | No.1 / Kua txob | Cov khoom siv siab thiab cov phaj qauv |
| 22–50 hli | Kev dav dav | Kev cai ntev | No.1 / Tshuab | Valve, flange thiab cov khoom siv machined |
| 55–100 hli | Ua raws li kev txiav txim | Txiav phaj | Tshuab / Av | Cov khoom siv hnyav |
| Saum toj no 100 hli | Kev tshuaj xyuas txog kev siv tshuab | Qhov project tshwj xeeb | Raws li tau teev tseg | Cov ntawv thov phaj tuab tshwj xeeb |
Kev Sib Piv Txog Cov Lus Qhia Sib Txawv
Kev Sib Piv ntawm Qhov Nto thiab Kev Ua Haujlwm ntawm Phaj
| Mob | Lub Ntsiab Lus Tseem Ceeb | Kev Siv Pom Zoo | Cov Lus Qhia Txog Kev Yuav Khoom |
|---|---|---|---|
| Phaj No.1 | Kub dov, cua sov kho thiab pickled | Kev tsim khoom lag luam dav dav | Feem ntau rau cov phaj tuab dua |
| Daim Ntawv 2B | Qhov tiav du thiab txias | Daim ntawv nyias nyias thiab cov khoom tsim | Paub meej tias muaj qhov tuab |
| Phaj Pickled | Cov nplai raug tshem tawm tom qab kev kho cua sov | Cov khoom siv vuam thiab cov khoom siv ua haujlwm | Haum rau kev tsim khoom ntxiv |
| Phaj Polished | Kev ua kom du ntawm qhov chaw zoo dua | Cov khoom uas pom tseeb lossis tsom mus rau kev ntxuav kom huv | Qhia qhov yuav tsum tau ua kom du los yog ntxhib |
| Txiav Phaj | Kev npaj qhov loj me thiab ntug kev cai | Cov khoom siv machined thiab cov khoom seem tsim tawm | Paub meej tias kev kam rau siab txiav |
Kev Sib Piv Nrog Cov Qib Duplex Sib Xws
| Qib | Lub Zog Tseem Ceeb | Kev Txwv Txheeb Ze | Kev Xaiv Ib Txwm Muaj |
|---|---|---|---|
| UNS S32205 / 2205 | Lub zog zoo thiab kev ua tau zoo duplex dav dav | PREN qis dua li cov qib super duplex | Kev pabcuam chloride nruab nrab |
| UNS S32750 | Kev tiv thaiv pitting siab thiab lub zog | Tsis muaj kev ntxiv W thiab Cu xws li S32760 | Kev pabcuam dej hiav txwv thiab cov tshuaj chloride hnyav |
| UNS S32760 | Lub zog siab nrog W thiab Cu alloying | Yuav tsum tau tswj tus nqi thiab kev tsim khoom ntau dua | Cov khoom siv hauv hiav txwv, marine thiab tshuaj lom neeg |
| UNS S32550 | Kev tiv thaiv corrosion super duplex | Cov khoom sib txawv thiab muaj | Kev xaiv phaj duplex tshwj xeeb rau qhov project |
Cov Qauv Sib Npaug thiab Cov Npe Thoob Ntiaj Teb
| Lub kaw lus | Lub Npe | Kev Sib Raug Zoo |
|---|---|---|
| UNS | S32760 | Lub npe UNS tseem ceeb |
| Lub Npe Feem Ntau | Super Duplex F55 | Kev siv ua lag luam thiab kev siv ua project sib xws |
| EN / W.Nr. | 1.4501 | Cov ntaub ntawv siv los ntawm cov khoom siv hauv Tebchaws Europe |
| Lub Npe Lag Luam | Hom Zeron 100 | Kev siv rau tsev neeg ua lag luam alloy |
| Phaj Txheem | ASTM A240 / ASME SA240 | Cov lus qhia ntawm phaj, daim ntawv thiab kab txaij |
| Kev Siv Forging | ASTM A182 F55 | Qib forging cuam tshuam, tsis yog tus qauv phaj |
Cov Txheej Txheem Tsim Khoom
Cov khoom sib xyaw ua ke yog npaj raws li S32760 chemistry requirements.
Kev tshuaj lom neeg, kev huv thiab kev tswj nitrogen raug tswj hwm thaum lub sijhawm yaj.
Cov slabs raug npaj rau kev dov kub lossis kev ua tiav ntxiv.
Lub slab yog dov rau hauv phaj lossis daim ntawv tuab.
Kev siv tshuaj annealing yog siv thaum xav tau los ntawm cov lus qhia.
Kev tshem tawm cov nplai, kev txhuam kom du lossis kev ua tiav ntawm qhov chaw tiav lawm.
Qhov ntev, qhov chaw, PMI thiab cov ntaub ntawv pov thawj raug kuaj xyuas.
Kev cim tus lej cua sov thiab kev ntim khoom xa tawm tau npaj tiav.
Kev Tshuaj Xyuas Khoom
| Kev Tshuaj Xyuas | Txoj Kev | Lub Hom Phiaj |
|---|---|---|
| Kev Tshuaj Xyuas Tshuaj | Kev tshuaj xyuas hauv chaw kuaj mob lossis kev tshuaj xyuas MTC | Paub meej tias UNS S32760 chemistry |
| PMI | Kev txheeb xyuas cov khoom zoo | Muaj thaum teev tseg; tsis yog ib qho hloov pauv rau cov tshuaj lom neeg tag nrho |
| Kev Tshuaj Xyuas Qhov Ntev | Kev ntsuas qhov tuab, qhov dav thiab qhov ntev | Xyuas kom meej qhov loj ntawm daim phaj thiab qhov kam rau ua |
| Kev Tshuaj Xyuas Nto | Kev tshuaj xyuas pom thiab tiav | Tshawb xyuas qhov tsis zoo ntawm qhov chaw thiab qhov zoo ntawm qhov tiav |
| Kev Ntsuas Tshuab | Kev ntsuam xyuas tensile thiab elongation | Paub meej tias cov yam ntxwv ntawm daim phaj tau teev tseg |
| Kev Ntsuas Qhov Nyuaj | HBW los yog txoj kev sib npaug | Xyuas kom meej qhov xwm txheej ntawm kev xa khoom |
| Kev Ntsuas Ultrasonic | UT thaum teev tseg | Soj ntsuam qhov ruaj khov sab hauv kom paub meej tias daim phaj tuab npaum li cas |
| Kev Tshuaj Xyuas Kev Taug Qab | Tus lej cua sov thiab daim ntawv lo xyuas | Txuas cov khoom mus rau MTC thiab EN 10204 3.1 |
Khoom Ntim Khoom
Cov phaj tuaj yeem tiv thaiv nrog daim ntawv tsis muaj dej, zaj duab xis PVC lossis roj tiv thaiv thaum xav tau.
Cov khoom sib cais, cov ntawv ua npuas ncauj thiab cov khoom tiv thaiv ntug txo qhov kev puas tsuaj los ntawm kev tuav.
Cov pallets xa tawm, cov thawv ntoo lossis cov thav hlau raug xaiv raws li qhov loj thiab qhov hnyav.
Qib, qhov loj me, tus lej cua sov thiab cov cim xa khoom ntawm cov neeg siv khoom tuaj yeem khaws cia.
Daim ntawv teev cov khoom ntim, MTC, EN 10204 3.1 thiab cov ntaub ntawv tshuaj xyuas raug npaj raws li qhov xav tau.
Cov Ntawv Thov, Kev Ua Haujlwm Corrosion thiab Kev Tsim Khoom
Cov Ntawv Thov Tseem Ceeb
- Offshore platforms thiab cov khoom siv subsea
- Cov qauv dej hiav txwv thiab cov khoom siv tswj dej hiav txwv
- Cov khoom siv twj tso kua mis, lub valve thiab cov khoom siv siab
- Cov phaj hloov pauv cua sov thiab cov khoom siv ua haujlwm
- Cov khoom siv tshuaj lom neeg thiab petrochemical
- Cov txheej txheem desalination thiab chloride-muaj cov txheej txheem
Kev Ua Haujlwm Corrosion
S32760 phaj yog siv rau qhov chaw uas xav tau kev tiv thaiv xeb siab hauv thaj chaw uas muaj chloride. Ntxiv chromium, molybdenum, nitrogen, tungsten thiab tooj liab ua rau muaj kev tiv thaiv xeb zoo rau qhov pitting thiab crevice piv rau cov qib duplex txheem.
Kev Tsim Khoom
S32760 tuaj yeem txiav, tsim thiab tshuab nrog cov cuab yeej tsim nyog thiab kev tswj hwm cov txheej txheem. Vim nws lub zog siab thiab cov qauv duplex, cov khoom tsim yuav siab dua li cov hlau tsis xeb austenitic, thiab cov txheej txheem vuam yuav tsum tswj cov cua sov nkag thiab qhov kub ntawm qhov sib tshuam.
Kev vuam
Kev vuam tuaj yeem ua tiav nrog cov txheej txheem tsim nyog thiab cov hlau sib xws. Thaj chaw vuam tiav yuav tsum tswj hwm qhov sib npaug ntawm ferrite-austenite thiab kev tiv thaiv corrosion. Kev ntxuav tom qab vuam, pickling lossis passivation yuav tsum tau ua nyob ntawm cov xwm txheej kev pabcuam.
Kev Kho Mob Kub
S32760 feem ntau yog muab los ntawm cov tshuaj annealed. Nws tsis raug xaiv rau kev ua kom tawv tawv. Kev raug cua sov tsis raug yuav ua rau muaj kev puas tsuaj rau cov hlau sib xyaw ua ke, yog li kev kho cua sov thiab kev tsim khoom kub yuav tsum ua raws li cov lus qhia thiab cov txheej txheem siv tau.
Vim li cas thiaj xaiv SAKY STEEL?
Thickness, dav, ntev, nto thiab txiav yuav tsum tau muab raws li cov duab kos.
Kev txheeb xyuas cov khoom siv tuaj yeem khaws cia txij li cov ntaub ntawv tsim khoom mus txog rau daim ntawv lo kawg.
MTC (Daim Ntawv Pov Thawj Xeem Zeb / 质保书) tuaj yeem muab tau raws li daim ntawv xaj yuav khoom.
Cov ntaub ntawv pov thawj EN 10204 3.1 muaj thaum teev tseg.
PMI, qhov ntev, kho tshuab, qhov nyuaj thiab UT kev tshuaj xyuas tuaj yeem npaj tau thaum teev tseg.
Cov pallets, cov thawv ntoo, cov thav hlau thiab cov cim xa khoom ntawm cov neeg siv khoom tuaj yeem npaj tau.
Cov Lus Nug Feem Ntau
UNS S32760 stainless hlau phaj yog dab tsi?
UNS S32760 yog qib super duplex stainless hlau phaj nrog lub zog siab thiab zoo heev chloride corrosion tsis kam. Nws feem ntau siv rau hauv offshore, marine thiab tshuaj lom neeg siv khoom siv.
Tus qauv twg siv rau S32760 phaj?
ASTM A240 thiab ASME SA240 feem ntau siv rau S32760 phaj, ntawv thiab kab txaij. Daim ntawv xaj yuav tsum lees paub qhov yuav tsum tau ua tus qauv, tuab, nto, kev kuaj thiab daim ntawv pov thawj.
S32760 puas zoo ib yam li F55?
S32760 feem ntau cuam tshuam nrog F55 thiab EN 1.4501. Txawm li cas los xij, qhov tseeb ntawm cov khoom lag luam yuav tsum tau lees paub vim tias cov qauv phaj, cov qauv forging thiab cov kev xav tau ntawm qhov project yuav txawv.
Puas yog S32760 phaj tuaj yeem vuam tau?
Yog, S32760 phaj tuaj yeem vuam tau nrog cov txheej txheem vuam tsim nyog. Kev nkag mus rau cua sov, qhov kub ntawm qhov hla, kev xaiv cov khoom sau thiab kev ntxuav tom qab vuam yuav tsum tau tswj kom tswj tau qhov kev tiv thaiv xeb thiab qhov sib npaug ntawm theem.
Muaj cov qhov chaw tiav dab tsi?
Cov xim tiav feem ntau suav nrog No.1, pickled, 2B thiab cov nplaim ci. Qhov muaj zaum kawg nyob ntawm qhov tuab, txoj kev tsim khoom thiab cov neeg siv khoom xav tau.
Puas muaj PMI rau S32760 phaj?
PMI tuaj yeem npaj tau thaum teev tseg los pab txheeb xyuas qhov tseeb ntawm cov hlau ua ntej xa khoom. Nws yuav tsum siv ua ke nrog kev tshuaj xyuas MTC, tsis yog hloov pauv tag nrho rau kev tshuaj xyuas tshuaj hauv chaw kuaj mob.
Puas muab tau MTC thiab EN 10204 3.1?
SAKY STEEL tuaj yeem muab cov ntaub ntawv MTC thiab EN 10204 3.1 raws li daim ntawv yuav khoom. Cov ntawv qhia ntxiv txog qhov ntev, PMI, kho tshuab lossis UT kuj tseem tuaj yeem npaj tau thaum teev tseg.
