Kev Sib Piv Ntawm 304H thiab 304 Cov Kav Hlau Stainless
— Womic Steel lub peev xwm tsim khoom & kev daws teeb meem khoom
1. Txheej txheem cej luam ntawm cov khoom
Womic Steel yog cov chaw tsim khoom ua cov kav dej hlau tsis xeb zoo tshaj plaws, muab ob qho tib si304Hthiab304Cov kav dej hlau tsis xeb raws li cov qauv thoob ntiaj teb tseem ceeb, suav nrog:
lASTM A312 / A213 / A269 / A358 / ASTM A312 / A213 / ASTM A312 / A213 / A269 / A358 / ASTM A312 / A213 / A269 / A358 / ASTM A312 / A213 / A269 / A358)
lASME SA312 / SA213
lEN 10216-5 / EN 10297-2
lJIS G3459 / ISO 9329-4
lGB/T 14976 / GB/T 13296
304H thiab 304 yog ob qho tib si austenitic stainless hlau, tab sis lawv tau tsim los rau cov chaw ua haujlwm sib txawv -304H ua tau zoo heev rau kev pabcuam kub siab, thaum304 muab kev tiv thaiv corrosion zoo dua thiab weldabilityhauv cov ntawv thov dav dav.
2.Cov Tshuaj Lom Zem
| Khoom | 304 Cov Hlau Stainless | 304H Stainless Hlau |
| Cov pa roj carbon (C) | ≤ 0.08% | 0.04% – 0.10% |
| Chromium (Cr) | 18.0% – 20.0% | 18.0% – 20.0% |
| Nickel (Ni) | 8.0% – 11.0% | 8.0% – 11.0% |
| Manganese (Mn) | ≤ 2.00% | ≤ 2.00% |
| Silicon (Si) | ≤ 1.00% | ≤ 1.00% |
| Phosphorus (P) | ≤ 0.045% | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% | ≤ 0.030% |
| Nitrogen (N) | ≤ 0.10% | ≤ 0.10% |
| Hlau (Fe) | Qhov Nyiaj Tshuav | Qhov Nyiaj Tshuav |
Lubcov pa roj carbon ntau duanyob rau hauv 304H ua rau cov carbide precipitation (Cr₂₃C₆), txhim khokev tiv thaiv creep thiab lub zog kub siab. Cov ntsiab lus carbon qis dua 304 yog qhov zoo tagnrho raucov qauv vuamxav tau kev tiv thaiv corrosion zoo intergranular.
3. Qhov Loj thiab Hom Khoom
Womic Steel muaj ntau yam kav dej stainless hlau uas tsim los rau kev lag luam, kev tsim vaj tsev, thiab kev siv siab:
Cov Kav Dej Tsis Muaj Qhov Txuas:
Txoj kab uas hla sab nraud: 6mm - 610mm
Phab ntsa tuab: 0.5 hli - 50 hli
Welded Pipes (ERW / TIG / Laser):
Txoj kab uas hla sab nraud: 8mm - 1219mm
Phab ntsa tuab: 0.5 hli - 30 hli
Lwm Cov Kev Xaiv:
Cov raj xa cua sov sib pauv, cov raj U-bent, cov raj txhuam ci, thiab cov raj phab ntsa hnyav uas ua raws li tus neeg xav tau.
Ntev: Ntev ruaj khov los yog txog li 18 meters
Qhov Tiav Ntawm Qhov Chaw: Pickled, annealed, polished, brushed
4. Cov Khoom Siv Kho Tshuab
| Vaj tse | 304 Cov Hlau Stainless | 304H Stainless Hlau |
| Lub zog Tensile (MPa) | ≥ 515 | ≥ 590 |
| Lub zog tawm los 0.2% (MPa) | ≥ 205 | ≥ 235 |
| Kev ntev (%) | ≥35 | ≥ 35 |
| Qhov nyuaj (HBW) | ≤192 | ≤192 |
| Lub zog tawg (650 ℃, 100,000 teev) | ~55 MPa | ~80 MPa |
Kev Nkag Siab Tseem Ceeb:
304H ua tau zoo dua 304 nyob rau hauv kev ua haujlwm kub siab ntev (saum toj no 550 ℃), ua rau nws zoo tagnrho raucov chaw tsim hluav taws xob rov ua kom sov, cov chaw kho dua tshiab petrochemical, thiab cov tshuab ua kom sov thermal.
5. Kev Kho Mob Kub thiab Kev Vuam Yuav Tsum Tau Ua
| Cov Qauv | 304 | 304H |
| Kev Kho Mob Kub Hnyiab | 1010 – 1065 ℃ | ≥ 1080 ℃ |
| Kev Ua Haujlwm Txias | Zoo heev | Kev ua haujlwm siab ua kom tawv |
| Kev vuam tau | Zoo heev | Yuav tsum muaj cov hlau uas muaj cov pa roj carbon ntau dua |
| Kev Kho Mob Kub Tom Qab Weld | Xaiv tau | Pom zoo rau cov pob qij txha tseem ceeb |
Cov Lus Qhia Txog Kev VuamRau 304H, Womic Steel qhia tiasER308H vuam hlau, nrog kev tswj hwm qhov kub nkag mus rau hauv thiab kev annealing tom qab vuam rau cov pob qij txha muaj kev ntseeg siab hauv cov kav dej siab.
6. Kev Sib Piv Txog Kev Tiv Thaiv Kev Xeb
Hauv cov chaw uas muaj chloride,304 muaj kev tiv thaiv pitting siab dua.
Lub peev xwm pitting ntawm 304H yog li ntawmqis dua 50mV, ua rau muaj kev tawm tsam hauv zos ua ntej.
| Kev Ntsuas Mob | 304 | 304H |
| Cl⁻ Kev Ntsuas 180ppm, 2 xyoos | Tsis muaj qhov xau | Pom muaj qhov tho qhov |
| Tus Nqi Xeb Txhua Xyoo (hli/xyoo) | ~0.015 hli/xyoo | ~0.020 hli/xyoo |
Siv304nyob rau hauv cov chaw ib puag ncig uas xav tau kev tiv thaiv xeb zoo heev thiab hauv zos xws licov tshuab cua txias hauv dej hiav txwv, kev ua zaub mov, los yogcov thoob tshuaj lom neeg.
7. Kev Ntsuas thiab Daim Ntawv Pov Thawj Zoo
Womic Steel ua yeeb yamkev tshuaj xyuas zoo tag nrhothiab ua raws li cov txheej txheem QA/QC nruj heev:
lKev Tshuaj Xyuas TshuajCov Khoom Siv: Optical Emission Spectrometer (OES), ICP-MS
lKev Ntsuas TshuabKev nyuaj siab (HBW), kev cuam tshuam (Charpy V-notch)
lKev Ntsuas Tsis Ua Rau Puas Tsuaj (NDT)Kev siv: eddy tam sim no, ultrasonic, radiographic, kua nkag mus
lKev Ntsuas Kev XebASTM A262 IGC, Tshuaj Tsuag Ntshav, Kev Ntsuas Pitting
Tag nrho cov kav dej tuaj yeem muab nrog:
EN 10204 3.1 / 3.2 Daim ntawv pov thawj
ISO 9001, PED, SGS, TUV, BV Kev Pom Zoo
8. Cov txiaj ntsig ntawm kev ntim khoom thiab kev thauj mus los
Kev Ntim Txheem:
Cov pob khoom hexagonal nrog lub hau kawg, yas qhwv, daim ntaub tsis dej, cov thawv ntoo, lossis cov khib hlau.
Cov Cim:
Txhua lub yeeb nkab yoglaser-engravednrog tus lej cua sov, qib khoom siv, qhov loj me, thiab hom Womic Steel. Lub logo kev cai lossis QR traceability xaiv tau.
Kev Thauj Khoom:
Womic Steel koom tes ncaj qha nrog cov kab xa khoom thiab cov neeg xa khoom. Cov txiaj ntsig zoo ntawmAsia - South America, Middle East, thiab Southeast Asiakev xa khoom sai FOB/CIF/DDP.
9. Kev Kho Mob Nto thiab Kev Ua Haujlwm
lTxiav, slotting, bending, beveling
lKev txhuam (Ra < 0.4μm rau kev siv hauv qib zaub mov)
lCov Cheebtsam Sib XwsHom: Lub luj tshib, tees, flanges, li qub
Womic Steel kuj muajcov kev pab cuam ua ntej tsim khoomrau cov khoom siv modular pipeline sib dhos.
10. Muaj Peev Xwm Ntau Lawm thiab Lub Sijhawm Ua Tau
Kev Tsim Khoom Txhua Xyoo:30,000+ tons
Cov Kab Ntau Lawm:
24 Lub Rooj Zaum Txias
10 Kab Vuam Tsis Siv Neeg
3 Lub Qhov Cub Ci Ntxuam
Cov Khoom Siv Raw:
Dhau1,200 tons ntawm 304 / 304H coils thiab billets
Lub Sijhawm Xa Khoom:
15 - 25 hnub ua haujlwm rau cov xaj txheem; kev xa khoom sai sai muaj nyob rau hauv 7 hnub rau cov haujlwm ceev.
11.Cov Xwm Txheej Thov thiab Cov Lus Qhia Xaiv Khoom Siv
| Thaj Chaw Thov | Qib Pom Zoo | Kev Ua Phem |
| Cov khoom siv hauv chav ua noj, cov cuab yeej kho mob, cov qauv phab ntsa ntaub thaiv | 304 | Kev tiv thaiv corrosion zoo heev thiab formability |
| Cov raj xa dej rauv roj av, cov menyuam kho cua sov, cov tshuab cua sov fais fab boiler | 304H | Lub zog kub siab thiab kev tiv taus nkag mus |
12. Vim li cas ho xaiv Womic Steel?
lKhoom Siv Raw Ruaj KhovKev koom tes zoo nrog Baosteel, TISCO, Zhangpu ua kom cov khoom siv txuas ntxiv mus
lKev Siv Tshuab Siab Tshaj PlawsKev kho cua sov hauv tsev, NDT online, kev tswj qhov ntev tsis siv neeg
lKev Kho Kom Haum Xeeb: OD loj, phab ntsa tuab, cov kav dej zoo li tus, thiab MOQ qis txais
lKev Paub Txog Qhov Project Thoob Ntiaj TebMuab rau Codelco Chile, Total, Qatar Energy, Malaysian Petrochem, thiab lwm yam
Yog xav paub ntxiv txog kev siv tshuab, nqe, lossis kev sab laj txog qhov project, thov hu rauPab Pawg Muag Khoom Thoob Ntiaj Teb ntawm Womic Steel — koj tus khub hlau tsis xeb uas koj ntseeg siab tau.
Lub Vas Sab: www.womicsteel.com
Email: sales@womicsteel.com
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Lub sijhawm tshaj tawm: Plaub Hlis-18-2025