S275J2 H-beamsyog cov qauv European uas tsis yog- alloy structural steel seem txhais raws li EN 10025-2. Raws li cov kws tshaj lij steel chaw tsim khoom, GNEE Steel tsim thiab muab S275J2 H-beams nrog kev tswj cov tshuaj muaj pes tsawg leeg, kev ua haujlwm ruaj khov, thiab kev ua haujlwm zoo ib yam rau kev tsim kho thiab kev lag luam.
S275J2 H-beams
Hauv thawj 100 lo lus, nws yog ib qho tseem ceeb kom paub meej tias peb yog cov chaw tsim khoom, tsis yog tus muag khoom lossis tus muag khoom. GNEE tswj kev ua steelmaking, dov, txiav, thiab tshuaj xyuas cov txheej txheem hauv -tsev, kom ntseeg tau tias txhua txhua S275J2 H-beam structural steel khoom ua tau raws li European tus qauv yuav tsum tau ua thiab cov xwm txheej tiag tiag.
Kev nkag siab txog lub npe "S275J2" pab engineers thiab buyers xaiv qhov tseeb H-beam qib rau load- bearing qauv.
S275J2 Steel Qib Lub ntsiab lus thiab cov khoom faib
Lub npe S275J2 precisely txhais cov khoom siv txhua yam tus cwj pwm.
- "S" sawv cev rau cov qauv hlau
- "275" qhia qhov tsawg kawg nkaus lub zog ntawm 275 MPa
- "J2" qhia txog qhov ua tau zoo ntawm 27J ntawm -20 degree
Qhov no tau lees paub tias S275J2 haum rau cov ntawv thov uas xav tau lub zog nruab nrab thiab txhim khu kev qha qis - qhov kub thiab txias. Nws raug cais raws li tsis yog- alloy structural steel raws li EN 10025-2.
Tshuaj muaj pes tsawg leeg ntawm S275J2 H-Beam Steel
Cov tshuaj muaj pes tsawg leeg ntawm S275J2 H-beam steel yog nruj me ntsis tswj kom lav lub zog ruaj khov, weldability, thiab ntev - lub sij hawm kev nyab xeeb ntawm cov qauv.
| Element | Cov ntsiab lus siab tshaj (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.21 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.50 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035 |
| Copper (Cu) | Tsawg dua los yog sib npaug li 0.55 |
Cov yam ntxwv ntawm tus qauv S275J2 H-Beams
H-beams muaj qhov dav -flange cross-section uas muaj lub vev xaib nruab nrab thiab ob qho tib si flanges nrog ze li qhov dav dav. Piv nrog rau ib txwm I-beams, H-beams muab qhov sib txawv ntawm kev ntxhov siab ntau dua.
Cov yam ntxwv tseem ceeb ntawm S275J2 H- kab teeb suav nrog:
- Ntau dua load- bearing efficiency nyob rau hauv ob qho tib si ntsug thiab kab rov tav cov lus qhia
- Txhim kho khoov thiab compression kuj
- Kev ruaj ntseg zoo dua rau cov kab thiab cov ncej hnyav
Qhov dav flange tsim ua rau H- kab teeb tshwj xeeb yog tsim rau txhua kab, portal thav duab, thiab cov qauv loj -span.
Kev siv tseem ceeb ntawm S275J2 H-Beams Structural Steel
Raws li lub zog, toughness, thiab seem efficiency, S275J2 H-beams yog dav siv nyob rau hauv:
- Industrial cog lub ntsiab ncej thiab kab
- Warehouse and logistics center structures
- Secondary thiab auxiliary choj qauv
- Cov cuab yeej siv tshuab siv lub hauv paus thiab kev txhawb nqa ncej
- Tsis yog- qhov tseem ceeb thauj khoom- cov khoom muaj nyob hauv cov tsev
Lawv tsim nyog rau cov loads zoo li qub thiab cov khoom siv hluav taws xob dav dav, muab tus nqi - zoo thiab txhim khu kev qha.
Txoj Kev Txiav rau S275J2 H-Beams Steel Sections
Standard H-beam lengths feem ntau yog 6 m lossis 12 m. Thaum qhov project qhov ntev sib txawv, kev txiav yog ib qho tsim nyog ua cov kauj ruam.
Txoj Kev Txiav Feem Ntau rau S275J2 H-Beams
- Nplaim Txiav: Haum rau tuab H- kab teeb. Cov cuab yeej siv qis tab sis cov cua sov loj dua - thaj chaw cuam tshuam thiab nruab nrab qhov tseeb.
- Plasma Txiav: Txiav nrawm dua nrog cov npoo huv dua rau nruab nrab - tuab H- kab teeb, txo cov thermal deformation.
- Pom Txiav (Band Saw / Circular Saw): Txias txiav nrog qhov tseeb qhov tseeb thiab qhov kawg du. Zoo tagnrho rau welded los yog bolted pob qij txha.
- Dej dav hlau txiav: Tsis muaj kev cuam tshuam thermal thiab siab precision, feem ntau yog siv rau kev txiav tshwj xeeb lossis nyuaj.
Kev txiav txim siab tseem ceeb thaum lub sij hawm H-Beams Cutting Process
Txhawm rau kom muaj kev ncaj ncees, kev txiav yuav tsum ua raws li kev tswj hwm nruj:
- Dimensional raug: Yam kam rau ua ± 1-3 hli raws li ib daim duab kos
- Txiav nto zoo: tiaj tus, ntsug, thiab tsis pub dhau slag
- Kev tiv thaiv seem: Tsis txhob flange puas thiab nto overheating
- Cov txheej txheem xaiv: Raws li thickness, precision xav tau, thiab downstream fabrication
Kev ntxuav txiav xaus yog qhov tseem ceeb rau kev sib koom ua ke lub zog thiab kev sib dhos ua haujlwm.
Retail Sourcing Guide for S275J2 H-Beams
Rau cov haujlwm me me, kho, lossis kev tsim khoom hauv zos, kev muag khoom muag yog qhov ntau.
Kev lees paub H-Beam Specifications
European H-beams feem ntau muab rau hauv HEA, HEB, thiab HEM series. Specifications yog txhais los ntawm qhov siab, flange dav, web thickness, thiab flange thickness. Kev xaiv yuav tsum ua raws li kev suav cov qauv es tsis yog kev kwv yees pom.
Txheeb xyuas cov ntaub ntawv pov thawj
Rau kev siv cov qauv, cov neeg yuav khoom yuav tsum thov daim ntawv pov thawj Mill Test (MTC) lees paub cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab ua raws li tus qauv S275J2.
S275J2 H-beams structural steel muab kev sib xyaw ua ke ntawm lub zog, toughness, thiab kev lag luam zoo. Los ntawm kev txhais qib rau kev txiav, kev muag khoom muag, thiab kev siv nyab xeeb, txhua kauj ruam ua rau txoj haujlwm ua tiav.
Raws li cov chaw tsim khoom lag luam, GNEE Steel muab EN 10025-2 raws S275J2 H-beams nrog ruaj khov zoo, tag nrho cov lus qhia, thiab kev txhawb nqa.
Tiv tauj peb rau qhov tseeb S275J2 H- kab kab nqes npe thiab cov kev daws teeb meem.
Qhov txawv ntawm S275JR thiab S275J2 yog dab tsi?
Qhov sib txawv tseem ceeb ntawm peb S275 steel nyob rau hauv lawv qhov kub thiab txias: 20℃ntawm S275JR steel, -20℃ntawm S275J2 steel thiab 0℃ntawm S275J0 steel. Dab tsi yog cov khoom siv S275J2? S275J2 yog cov pa roj carbon tsawg, siab tensile lub zog cov qauv hlau uas tuaj yeem nkag tau yooj yim welded rau lwm cov hlau weldable.
S235J2 cov khoom sib npaug yog dab tsi?
EN10025 S235J2 yog qib carbon steel nrog cov yam ntxwv zoo. Qee cov ntaub ntawv sib npaug sib npaug rau EN10025 S235J2 carbon steel phaj suav nrog: ASTM A36: Cov qauv siv dav siv hauv Asmeskas uas muaj cov khoom zoo sib xws ntawm lub zog tensile thiab lub zog tawm los.
Lub ntsiab lus ntawm s275j2 yog dab tsi?
"S" txhais tau hais tias nws yog cov qauv hlau, thaum "275" qhia qhov tsawg kawg nkaus lub zog ntawm 275 megapascals. "J2" txhais tau hais tias cov hlau muab ib qho kev cuam tshuam tsawg kawg nkaus ntawm 27 joules ntawm -20 degree, ua rau nws haum rau cov huab cua txias.
JR sawv cev rau dab tsi hauv S235JR?
Cov tsiaj ntawv S txhais tau hais tias cov hlau phaj yog cov qauv. Tus naj npawb 235 txhais tau tias, steel lub zog tawm los. Lo lus JR sawv cev rau cov qib steel tau dhau los ntawm Charpy cuam tshuam kev xeem thiab yog qhov zoo. S235JR yog qhov tshwj xeeb muab rau nws, nrog rau txhua lub cim qhia qee yam txawv.
Dab tsi yog qhov sib npaug rau s235jr2?
EN 10025-2 S235JR yog sib npaug rau ASTM A283 Gr C, DIN ST37-2, JIS SS330, thiab GB Q235B, nrog rau lub zog nruab nrab thiab weldability rau kev tsim kho.