Kev sib piv ntawm 304H thiab 304 Stainless hlau kav
- Womic Steel's Manufacturing Capabilities & Product Solutions
1. Cov Khoom Muag Khoom
Womic Steel yog cov chaw tsim khoom lag luam zoo tshaj plaws-qib stainless hlau kav, muab ob qho tib si3 04hthiab304stainless hlau kav raws li cov qauv loj thoob ntiaj teb, 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 kho rau qhov chaw ua haujlwm sib txawv -304H ua tau zoo hauv kev pabcuam kub kub, thaum304 muab superior corrosion kuj thiab weldabilitynyob rau hauv kev siv lub hom phiaj.
2.Tshuaj muaj pes tsawg leeg
| Element | 304 Stainless hlau | 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) | Tshuav | Tshuav |
Covcov ntsiab lus carbon ntau duahauv 304H txhim kho carbide nag lossis daus (Cr₂₃C₆), txhim khocreep kuj thiab high-temperature zog. 304 cov ntsiab lus qis carbon yog zoo tagnrho rauwelded qauvxav tau zoo intergranular corrosion kuj.
3. Qhov ntau thiab tsawg thiab hom khoom
Womic Steel muaj ntau yam ntawm cov kav dej stainless hlau tsim rau kev lag luam, kev tsim vaj tsev, thiab kev siv siab:
Seamless Yeeb Nkab:
Sab nraud txoj kab uas hla: 6mm - 610mm
Phab ntsa Thickness: 0.5mm-50mm
Welded Pipes (ERW / TIG / Laser):
Sab nraud txoj kab uas hla: 8mm - 1219mm
Phab ntsa Thickness: 0.5mm-30mm
Lwm Txoj Kev Xaiv:
Thaum tshav kub kub exchanger raj, U-khoov raj, polished tubing, thiab hnyav-wall customized kav.
Ntev: Tsau ntev lossis txog li 18 meters
Deg tiav: Pickled, annealed, polished, txhuam
4. Mechanical Properties
| Khoom | 304 Stainless hlau | 304H Stainless hlau |
| Tensile zog (MPa) | ≥ 515 | ≥ 590 |
| Yield zog 0.2% (MPa) | ≥ 205 | ≥ 235 |
| Elongation (%) | ≥35 | ≥ 35 |
| Hardness (HBW) | ≤192 | ≤192 |
| Creep Repture Strength (650 ℃, 100,000 teev) | ~ 55 MPa | ~ 80 MPa |
Ntsiab kev pom:
304H outperforms 304 nyob rau hauv lub sij hawm ntev ua hauj lwm kub siab (siab tshaj 550 ℃), ua rau nws zoo tagnrho raufais fab nroj tsuag reheaters, petrochemical reformers, thiab thermal ua tshuab.
5. Kev kho cua sov thiab vuam xav tau
| Parameter | 304 | 3 04h |
| Kev daws Annealing | 1010-1065 ℃ | ≥1080 ℃ |
| Txias ua hauj lwm teb | Zoo heev | Siab ua hauj lwm hardening tus nqi |
| Weldability | Zoo heev | Yuav tsum muaj cov pa roj carbon ntau dua hlau |
| Kev kho cua sov tom qab Weld | xaiv tau | Pom zoo rau cov pob qij txha tseem ceeb |
Kev pom zoo vuam: Rau 304H, Womic Steel qhiaER308H vuam hlau, nrog rau kev tswj xyuas cov cua kub kom meej thiab tom qab vuam annealing rau cov pob qij txha muaj kev ntseeg siab nyob rau hauv high-pressure piping systems.
6. Corrosion Resistance piv
Hauv ib puag ncig uas muaj chloride,304 muaj ntau dua pitting kuj.
Lub peev xwm pitting ntawm 304H yog hais txog50mV qis, ua rau muaj kev tawm tsam yav dhau los.
| Kev kuaj mob | 304 | 3 04h |
| Cl⁻ Concentration 180ppm, 2 xyoos | Tsis muaj dej paug | Perforation pom |
| Txhua xyoo Corrosion Rate (mm / xyoo) | ~ 0.015 hli / xyoo | ~ 0.020 hli / xyoo |
Siv304nyob rau hauv ib puag ncig yuav tsum tau zoo heev generalized thiab localized corrosion kuj xws limarine cua txias systems, kev ua zaub mov, los yogchemical tanks.
7. Kev xeem thiab ntawv pov thawj zoo
Womic Steel uaKev tshuaj xyuas zoothiab ua raws li QA / QC cov txheej txheem nruj:
lTshuaj ntsuam xyuas: Optical Emission Spectrometer (OES), ICP-MS
lMechanical Testing: Tensile, hardness (HBW), cuam tshuam (Charpy V-notch)
lKev kuaj tsis yog kev puas tsuaj (NDT): Eddy tam sim no, ultrasonic, radiographic, kua penetrant
lKev kuaj CorrosionASTM A262 IGC, ntsev tsuag, Pitting Test
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 pom zoo
8. Ntim thiab Thauj Khoom Zoo
Txheem Ntim:
Hexagonal bundles nrog lub kaus mom kawg, qhwv yas, ntaub tsis muaj dej, lub thawv ntoo, lossis steel racks.
Cov cim:
Txhua lub raj yoglaser-engravednrog cov xov tooj cua sov, cov khoom siv qib, qhov loj me, thiab Womic Steel branding. Kev cai logo lossis QR traceability yeem.
Logistics:
Womic Steel koom tes ncaj qha nrog shipping kab thiab freight forwarders. Muaj zog zoo ntawmAsia-South America, Middle East, thiab Southeast Asiatxoj kev. Fast FOB / CIF / DDP kev xaiv xa khoom.
9. Kev kho qhov chaw thiab kev ua haujlwm
lTxiav, slotting, dabtsi yog khoov, beveling
lPolishing (Ra <0.4μm rau kev siv zaub mov qib)
lSib piv Cov Cheebtsam: Lub luj tshib, tees, flanges, li qub
Womic Steel kuj muajkev pab cuam ua ntejrau modular pipeline sib dhos.
10. Muaj Peev Xwm Ntau Lawm thiab Lub Sijhawm Lead
Kev tsim tawm txhua xyoo:30,000+ tons
Cov kab ntau lawm:
24 Lub Caij Nplooj Ntoos Hlav
10 Tsis Siv Neeg Vuam Kab
3 Ci ntsa iab Annealing Rauv
Raw Material Stock:
Tshaj1,200 tons ntawm 304 / 304H coils thiab billets
Lub sij hawm xa tuaj:
15 - 25 hnub ua haujlwm rau cov qauv txiav txim; Kev xa khoom sai sai muaj nyob rau hauv 7 hnub rau cov haujlwm ceev.
11.Daim Ntawv Thov Scenarios thiab Phau Ntawv Qhia Xaiv Cov Khoom
| Daim ntawv thov cheeb tsam | Pom zoo Qib | Kev ncaj ncees |
| Cov khoom siv hauv chav ua noj, cov cuab yeej kho mob, cov ntaub thaiv phab ntsa | 304 | Zoo heev corrosion kuj thiab formability |
| Petrochemical furnace tubes, cua sov kho chais, fais fab boiler reheaters | 3 04h | Superior high-temperature zog thiab creep kuj |
12. Vim li cas thiaj xaiv Womic Steel?
lRuaj khov Raw Material Supply: Kev koom tes nrog kev koom tes nrog Baosteel, TISCO, Zhangpu kom cov khoom txuas ntxiv mus
lAdvanced Technology: In-house annealing, online NDT, automated dimensional control
lYooj yim Customization: Loj OD, tuab phab ntsa, zoo li cov kav dej, thiab MOQ qis txais
lKev Paub Txog Ntiaj Teb Ntiaj Teb: Muab rau Codelco Chile, Tag Nrho, Qatar Zog, Malaysian Petrochem, thiab lwm yam
l Yog xav paub ntxiv txog kev qhia tshwj xeeb, tus nqi, lossis kev sib tham txog qhov project, thov hu rauWomic Steel's International Muag Pab Pawg - koj tus khub uas ntseeg siab stainless hlau.
Lub vev xaib: www.womicsteel.com
Email: sales@womicsteel.com
Tel/WhatsApp/WeChat: Victor: +86-15575100681 los yog Jack: +86-18390957568
Lub sij hawm xa tuaj: Plaub Hlis 18-2025