en 10217-7 1.4404 raj
2. Tus Qauv: EN 10217-7, tus qauv European uas tswj hwm cov kav hlau tsis xeb uas siv rau kev siv siab
3. Txheej Txheem: Kev vuam txuas ntxiv mus ncaj nraim los ntawm cov hlau phaj precision nrog kev kho kom zoo dua qub
4. Qhov Loj Ntau: Cov qauv metric sab nraud thiab cov qauv phab ntsa tshwj xeeb uas tau tsim los rau cov qauv kev lag luam corrosive
5. Kev Kho Mob Kub: Cov tshuaj sib xyaw ua ke tom qab vuam kub tshaj 1040 ° C ua raws li kev yuam kom txias sai sai
6. Qhov Chaw Tiav: Ua kom cov kua qaub thiab cov khoom siv passivated kom huv si, nrog rau sab hauv weld reinforcement leveled kom tiv thaiv cov kua dej sib txhuam
7. Daim Ntawv Thov: Cov chaw tsim dej hiav txwv, cov kav dej hauv marine, cov tes hauj lwm pov tseg dej phwj tuaj, thiab cov tshuaj lom neeg organic
8. Kev Pabcuam Zoo: Txhawb nqa 100% X-ray radiography testing (RT) lossis eddy tam sim no kev tshuaj xyuas, kev sib dhos PED tag nrho
9. Ntim: Cov pob khoom dej hiav txwv hexagonal khi nruj nrog cov hlua hlau siab thiab muaj cov hau kawg tiv thaiv
10. Qhov Zoo Tshaj Plaws: Kev tiv taus zoo heev rau cov chloride pitting hauv zos thaum tiv thaiv tag nrho cov kev lwj ntawm cov khoom sib xyaw tom qab vuam hauv thaj teb
EN 10217-7 1.4404 Raj - Cov Kev daws teeb meem kav dej siab qis-Carbon rau Marine & Chemical Industries
HEBEI ALL TRUST STEEL CO., LTD tshwj xeeb hauv kev tsim cov raj xa dej en 10217-7 1.4404 , tsim los rau cov qauv kav dej siab European nrog cov hlau tsis tshua muaj carbon molybdenum-enhanced metallurgy. Peb tsim cov raj xa dej stainless hlau welded nrog lub peev xwm tsim khoom txhua xyoo ntawm ntau dua 15,000 tons thiab qhov siab tshaj plaws sab nraud txog li 1016 hli, uas raug kuaj hydraulic 100% kom ntseeg tau tias muaj kev ntseeg siab hauv kev tshem dej hiav txwv corrosive, kev ua tshuaj thiab cov txheej txheem thauj tshuaj lom neeg hnyav. Cov khoom no muab kev tiv thaiv chloride siab thiab kev tiv thaiv tag nrho rau thaj chaw vuam nrog daim ntawv pov thawj EN 10204 3.1 / 3.2 Mill Test thiab PED 2014/68 / EU ua raws li.
Nkag Siab Txog EN 10217-7 1.4404 Lub Raj Mis
Cov khoom no yog ib lub raj xa dej stainless hlau uas muaj kev sib txuas zoo thiab ua raws li EN 10217-7, tus qauv European kawg rau cov raj xa dej puag ncig uas siv rau kev siab. Cov khoom siv yog 1.4404 (X2CrNiMo17-12-2) sib piv rau ASTM 316L, nrog cov pa roj carbon tsawg heev (C < 0.03%) thiab 2.0-2.5% molybdenum. Cov khoom sib xyaw tshwj xeeb no tshem tawm qhov ua tau ntawm kev xeb intergranular hauv thaj chaw vuam uas cuam tshuam los ntawm cua sov thiab muab kev tiv thaiv pitting zoo dua.
Lub raj no yog qhov tseem ceeb rau kev nyab xeeb, tsis yog lub raj kho kom zoo nkauj. Nws daws qhov teeb meem ntawm cov qauv tsis ua haujlwm thaum lub sijhawm kub siab, tswj qhov xau hauv cov xwm txheej nplua nuj chloride thiab ua tau raws li cov qauv ntawm Cov Lus Qhia Txog Cov Khoom Siv Siab.
Cov txheej txheem vuam ncaj nraim siv cov thev naus laus zis TIG lossis laser fusion. Cov tshuaj tom qab vuam annealing saum toj no 1040 ° C ua raws li kev yuam kom txias sai ua kom muaj cov qauv hlau sib xws thoob plaws hauv cov vuam seam thiab cov hlau hauv paus.
Kev Specifications
| parameter | specification |
|---|---|
| Standard | EN 10217-7 / ASTM A312 / ASTM A249 / EN 10357 |
| Cov Khoom Qib Kawm | 1.4404 (X2CrNiMo17-12-2 / 316L Sib npaug) |
| Raug Kev | Tsis Siv Neeg Longitudinal TIG / Laser Vuam |
| Sab nraud Diameter (OD) | 6.0 hli - 1219.2 hli |
| Phab ntsa Thickness (WT) | 0.5 hli - 30.0 hli |
| Length | 5.8 m / 6.0 m / 11.8 m / 12.0 m / Txiav raws li koj xav tau |
| Xaus Ntoo | Tshuaj Annealed & Pickled (W2A) / Bright Annealed (W2B) / Satin / Mirror Polish |
| Yield zog (Rp0.2) | ≥220 MPa |
| Tensile zog (Rm) | 500-700Mpa |
| elongation | ≥ 40% |
| Cov ntsiab lus carbon | ≤ 0.03% |
| Molybdenum Cov ntsiab lus | 2.0-2.5% |
| Kev khiav hauj lwm Kub | Txuas ntxiv mus txog 450 ° C |
| Kev kuaj tsis raug | 100% Eddy Tam Sim No / Hydrostatic / X-Ray RT |
| Mechanical Testing | Kev Sib Txuas Lus Transverse Weld Tension / Flattening / Hardness / PMI |
| Kev Tshuaj Ntsuam Kev Ntsuas | Kev Ntsuas Kev Sib Tsoo Intergranular (EN ISO 3651-2) |
| Certification | EN 10204 3.1 & 3.2 MTC / CE / PED 2014/68 / EU |
| Kev Txhawb Kev Tshawb Fawb | SGS / BV / TÜV / DNV / ABS |
| Ntim | Cov Pob Khoom Hexagonal / Cov Rooj Ntoo / Cov Hau Tiv Thaiv |
Cov txiaj ntsig tseem ceeb ntawm peb lub raj EN 10217-7 1.4404
Kev Zoo Tshaj Plaws ntawm Cov Khoom Siv & Kev Tiv Thaiv Kev Kub Ntxhov
Peb cov khoom siv cov khoom siv hlau molybdenum uas muaj cov pa roj carbon tsawg. Cov qauv carbon tsawg heev no tshem tawm tag nrho cov kev pheej hmoo ntawm kev ua xua thaum lub sijhawm ua ntau zaus. Kev txhim kho molybdenum muab kev tiv thaiv xeb zoo heev rau cov qhov thiab cov kab nrib pleb hauv cov kav dej ntug dej hiav txwv thiab cov voj voog ua zaub mov. Koj tau txais kev tiv thaiv zoo tiv thaiv kev tawm tsam chloride hauv zos uas rhuav tshem cov qib austenitic txheem.
Kev Tsim Khoom Zoo & Kev Ntsuas Kev Ntsuas Zoo
Peb ua cov hlau hnyav zoo tshaj plaws rau hauv qhov kev kam rau siab siv cov thev naus laus zis fusion vuam tsis siv neeg. Txhua pawg yuav tsum tau ua kom sov tom qab vuam cov tshuaj annealing ntawm qhov kub tshaj 1040 ° C. Peb qhov kev txheeb xyuas 100% ntawm txoj kev vuam suav nrog kev tshuaj xyuas tam sim no eddy, kev kuaj radiographic (RT), thiab kev kuaj hydrostatic leak. Cov neeg sawv cev tsim khoom ntsib kev sim tensile hnyav transverse weld, kev kuaj guided-bend joint, thiab Positive Material Identification (PMI) alloy validation.
Kev Yooj Yim thiab Kev Kho Kom Haum Rau Qhov Loj
Koj tau txais kev nkag mus rau ntau yam kev xaiv qhov ntev uas haum rau cov kav dej tshuaj lom neeg uas muaj kev pheej hmoo siab. Peb txhawb nqa cov tshuaj uas tau kho kom haum rau cov nplaim annealed thiab pickled (W2A) lossis cov nplaim annealed ci (W2B). Kev nce qhov ntev raws li qhov xav tau thiab cov hnab ntim khoom tiv thaiv dej tiv thaiv koj cov peev txheej thaum lub sijhawm xa khoom thoob ntiaj teb. Cov xov kawg uas ua tiav raws li NPT lossis BSPT taper cov qauv thiab ANSI butt-weld bevels muaj nyob rau hauv.
Kev siv tswv yim
Chemical & Petrochemical ua
Koj cov khoom siv hloov cua sov thiab cov kav dej ntsib kev raug rau cov organic thiab inorganic acids ntawm qhov kub siab. Lub raj en 10217-7 1.4404 tiv taus cov sulfuric thiab phosphoric acid ib puag ncig qhov twg cov hlau carbon thiab cov hlau tsis xeb qib qis dua ua tsis tiav sai. Cov ntsiab lus molybdenum ua kom muaj kev ncaj ncees ntawm cov qauv hauv qab kev hloov pauv thermal.
Kev Siv Tshuab Kho Mob thiab Khoom Noj
Cov khoom siv carbon tsawg 1.4404 txo cov hlau ua qias tuaj hauv High Purity Water (WFI) systems thiab cov kab ua haujlwm. Koj ua tau raws li cov kev cai huv huv thiab tiv taus cov tshuaj Clean-in-Place (CIP) uas hnyav. Cov seams weld yog cov uas tiv taus xeb zoo li cov hlau hauv paus yog li tsis muaj kev txhawj xeeb txog kev ua qias tuaj hauv kev tsim khoom biotech.
Marine & Offshore Engineering
Yuav tsum muaj kev tiv taus chloride zoo heev rau cov tshuab txias dej hiav txwv thiab cov chaw desalination. Peb cov raj dej no zoo heev rau kev siv cov kav dej hauv hiav txwv, cov tes hauj lwm rau kev pov tseg cov dej phwj hauv ntug dej hiav txwv thiab cov tshuaj lom neeg organic. Qhov no tshem tawm qhov tawg ntawm chloride uas ua rau muaj kev ntxhov siab corrosion uas feem ntau ua rau tsis ua haujlwm hauv qib 1.4301 (304) sib npaug.
FAQ
Q: Vim li cas cov khoom molybdenum uas tsis muaj carbon no thiaj li muab kev tiv thaiv zoo tshaj plaws hauv cov ntug dej hiav txwv?
A: Lub raj no sib xyaw ua ke nrog kev tswj hwm cov pa roj carbon tsawg nrog kev sib xyaw ua ke ntawm molybdenum hnyav, tshem tawm tag nrho cov kev nkag siab ntawm thaj chaw vuam thaum lub sijhawm ntau-pass fabrication thaum muab kev tiv thaiv xeb zoo heev thiab crevice.
Q: Nyob rau hauv qhov kev ua haujlwm siab npaum li cas yog qhov qis-carbon welded siab raj no nyiam thoob ntiaj teb?
A: Nws yog qhov zoo tshaj plaws rau cov kav dej loj ntawm ntug dej hiav txwv, cov txheej txheem ua zaub mov, kev thauj mus los ntawm cov tshuaj lom neeg uas muaj zog, thiab cov chaw ua haujlwm roj av uas tsis muaj zog uas ntsib kev tawm tsam ntawm cov hlwb xeb hauv zos.
Q: Kev sim ua kom lub cev hloov pauv li cas yog ua raws li daim ntawv cog lus kom ntseeg tau tias muaj kev nyab xeeb ntawm cov qauv sib koom ua ke ntawm cov khoom no?
A: Dhau li ntawm kev taug qab tam sim no eddy, cov neeg sawv cev tsim khoom raug kuaj xyuas qhov sib txuas ntawm cov vuam, kev sim sib koom ua ke, kev sim ua kom cov vuam sib txuas tiaj tus, thiab kev lees paub cov khoom siv zoo (PMI) alloy.
Q: Cov kev ntsuas qhov ntev ntawm cov koob metric qis no puas tuaj yeem hloov kho nrog cov qauv kawg txheem?
A: Yog, peb muab cov xov hlau uas muaj qhov tseeb thiab phim cov qauv NPT lossis BSPT taper, cov tshuaj uas tau kho kom haum rau annealed thiab pickled (W2A) lossis ci annealed (W2B), thiab ANSI butt-weld bevels.
Q: Koj cov en 10217-7 1.4404 welded tubing ntau puas tau txais kev pom zoo los ntawm cov koom haum tshuaj xyuas cov khoom siv siab thoob ntiaj teb ywj pheej?
A: Peb cov kab loj tag nrho ua raws li ISO 9001: 2015 cov qauv, ua raws li CE / PED, thiab txais tos cov neeg ua tim khawv ywj pheej los ntawm cov chaw ua haujlwm thib peb uas tau ntawv pov thawj xws li SGS, TÜV, thiab BV.
Hu Rau Peb
Tau txais koj cov kev daws teeb meem raj en 10217-7 1.4404 uas tau kho kom haum rau koj hnub no. Hu rau peb pab neeg tshaj lij ntawm info@hballtrust.com kom tau kev pab xaiv cov khoom siv, kev txheeb xyuas CAD, thiab kev hais nqe lus dav dav.
