GneeA992 H-Beamyog kev lag luam-ua dav- flange structural steel siv nyob rau hauv niaj hnub kev tsim kho, txuas hniav, thiab hnyav industrial tej yaam num.
Raws li lub siab - zog, qis- alloy (HSLA) steel, A992 H- kab teeb los ntawm Gnee xa tshwj xeeb weldability, formability, thiab mechanical kev ua tau zoo, ua rau lawv xaiv rau engineers, builders, thiab fabricators thoob ntiaj teb.
Gnee Manufacturing Excellence
Ntawm Gnee, peb siv cov thev naus laus zis thev naus laus zis thev naus laus zis (EAF) thiab precision dov mills los tsim A992 H-Beams nrog:
Kev sib xyaw tshuaj muaj pes tsawg leeg rau kev kwv yees kev siv tshuab ua haujlwm
Optimized mechanical zog: yield zog 345 MPa (50 ksi), tensile zog 450-650 MPa (65-95 ksi)
Tswj tau tawm los-rau-tensile ratio (tsawg dua los yog sib npaug rau 0.85) rau superior ductility thiab seismic kev ua tau zoo
Txhim kho cov qauv kev ncaj ncees los ntawm kev ua kom txias thiab dov txheej txheem
Chemical Composition (Maximum%)
| Element | Cov ntsiab lus siab tshaj (%) |
|---|---|
| Cov pa roj carbon (C) | 0.23 |
| Manganese (Mn) | 1.65 |
| Phosphorus (P) | 0.04 |
| Sulfur (S) | 0.05 |
| Silicon (Si) | 0.40 |
| Copper (Cu) | 0.60 |
| Carbon sib npaug (CE) | 0.47 |
Mechanical Properties of Gnee A992 H-Beams
| Khoom | Gnee A992 H-Beam |
|---|---|
| Yield zog | 345 MPa (50 ksi) yam tsawg kawg nkaus |
| Tensile zog | 450-650 MPa (65-95 ksi) |
| Yield-rau-Tensile Ratio | Tsawg dua lossis sib npaug li 0.85 |
| Elongation | Ntau dua lossis sib npaug li 18% hauv 200 mm |
| CVN Toughness | Kev xaiv Charpy V-kev ntsuas ntsuas |
Cov ntawv thov tseem ceeb ntawm Gnee A992 H-Beams
Gnee A992 H-Beams yog qhov zoo tagnrho rau kev ua haujlwm siab -cov haujlwm ua haujlwm, suav nrog:
High-cov tsev nce siab – cov kab teeb tseem ceeb, kab, thiab seismic-cov thav ntawv tiv taus
Kev tsim kho choj – girders, cross beams, thiab load- bearing supports
Cov chaw muaj - hnyav machinery platforms, Hoobkas qauv
Cov chaw ua si thiab chaw ua si - loj - ncua kev ua haujlwm uas yuav tsum tau ua kom muaj zog
Machinery & cov khoom siv hauv paus - kev txhawb nqa ruaj khov rau cov khoom hnyav
Qhov zoo ntawm Gnee A992 H-Beams
| Feature | Gnee A992 H-Beam | A36 / A572 Gr.50 |
|---|---|---|
| Yield zog | 345 MPa (50 ksi) | A36: 250 MPa; A572 Gr.50: 345 MPa |
| Weldability | Zoo heev - qis carbon & tswj chemistry | Zoo |
| Seismic Performance | Tswj tau tawm los - rau - tensile ratio | Txwv tsis pub |
| Lub zog - rau - Nyhav | Optimized rau dav -flange H-beams | Tsawg efficiency |
| Kev sib raug zoo | Narrow chemical & mechanical ntau yam | Dav dav dua |
| Daim ntawv thov | Siab-nce, txuas hniav, hnyav kev lag luam | General kev tsim kho & daim hlau |
Surface & Processing Options
Kev kho saum npoo: Dub, primed, los yog kub -dip galvanized
Txiav: Laser, plasma, lossis sawing - meej thiab ua haujlwm tau zoo
Tsim: Haum rau W-puab; khoov nrog cov cuab yeej tshwj xeeb yog tias xav tau
Vuam: Zoo heev compatibility nrog tag nrho cov txheej txheem vuam; tsawg preheat yuav tsum tau
Machining: Zoo tagnrho rau bolts qhov thiab kev sib txuas npaj
Quality Assurance
Gnee lav txhua A992 H-Beam ua tau raws li lossis tshaj ASTM A992/A992M tus qauv:
ISO 9001: 2015 tau ntawv pov thawj ntau lawm
AISC- pom zoo cov qauv steel fabrication
Kev kuaj tshuaj lom neeg thiab tshuab: tensile, Charpy cuam tshuam, kuaj ultrasonic
Daim Ntawv Tshaj Qhia Tag Nrho Mill Test (MTR) thiab thib peb- pov thawj ntawm tog rau cov haujlwm tseem ceeb
Gnee A992 H-Beams yog kev lag luam- qauv dav- flange structural steel tsim rau siab- nce vaj tse, txuas hniav, thiab cov ntawv thov kev lag luam hnyav.
Nrog lub zog siab, weldability zoo heev, seismic kev ua tau zoo, thiab txhim khu kev qha zoo, Gnee A992 H-Beams xa cov kev ua tau zoo, kev nyab xeeb, thiab tus nqi- ua haujlwm tau zoo rau cov qauv steel niaj hnub no.
Q1: Dab tsi yog ASTM A992 H-Beam thiab nws txawv li cas ntawm A36 H-Beam?
ASTM A992 H-Beam yog lub siab- lub zog, qis- alloy structural steel beam feem ntau siv rau hauv tsev thav duab thiab txuas hniav. Piv rau A36 H-Beam, uas muaj lub zog tawm los ntawm 250 MPa, A992 muab lub zog tawm los ntau dua ntawm 345 MPa, txhim kho toughness, thiab weldability zoo dua rau kev siv cov txheej txheem niaj hnub.
Q2: Cov tshuaj muaj pes tsawg leeg ntawm ASTM A992 H-Beam yog dab tsi?
Cov tshuaj muaj pes tsawg leeg ntawm A992 suav nrog carbon Tsawg dua lossis sib npaug li 0.23%, manganese 0.50–1.50%, phosphorus Tsawg dua lossis sib npaug li 0.035%, sulfur Tsawg dua lossis sib npaug li 0.045%, thiab silicon Tsawg dua lossis sib npaug li 0.40%. A992 kuj suav nrog microalloying ntsiab xws li vanadium thiab niobium los txhim kho lub zog thiab tawv. Piv nrog rau A36, qis carbon cov ntsiab lus thiab microalloying txhim khu weldability thiab txo brittleness.
Q3: Dab tsi yog cov khoom siv kho tshuab ntawm ASTM A992 H-Beam?
A992 H-Beams muaj qhov tsawg kawg nkaus lub zog ntawm 345 MPa (50 ksi) thiab tensile zog ntawm 450-620 MPa. Qhov tsawg kawg nkaus elongation nyob rau hauv 200 mm yog 18%, thiab Charpy cuam tshuam toughness yog txhim kho rau qis -kub siv. Hauv kev sib piv, A36 beams tsis tshua muaj zog tab sis me ntsis ductile, ua rau lawv tsim nyog rau cov tswv cuab ntawm cov qauv tsis tseem ceeb.
Q4: Qhov luaj li cas thiab qhov ntev npaum li cas rau ASTM A992 H-Beam?
A992 H-Beams muaj nyob rau hauv qhov ntau thiab tsawg ntawm W8x10 txog W44x335 (los yog zoo sib xws, nyob ntawm lub zeb). Standard tolerances muaj xws li ± 3% rau flange thiab web thickness thiab ± 6 hli rau beam qhov tob. Qhov kam rau ua yog piv rau A36 tab sis xyuas kom meej qhov sib xws rau siab - cov ntawv thov muaj zog qhov twg cov khoom xa tawm meej yog qhov tseem ceeb.
Q5: Puas tuaj yeem ASTM A992 H-Beam tau welded thiab fabricated yooj yim?
Yog lawm. A992 H-Beams yog tsim los rau siab weldability nrog cov qauv txheej txheem (SMAW, GMAW, FCAW) yam tsis muaj preheating nyob rau hauv ib txwm tej yam kev mob. Microalloying thiab cov ntsiab lus carbon tsawg txo qhov kev pheej hmoo ntawm kev tawg thaum vuam. Bending thiab drilling kuj tseem ua tau, txawm hais tias lub vojvoog nruj yuav tsum ua raws li ASTM cov lus qhia.
Q6: Kev sim ua dab tsi ntawm ASTM A992 H-Beams?
Cov kev ntsuam xyuas muaj xws li kev ntsuas tensile, kuaj khoov, tshuaj ntsuam xyuas muaj pes tsawg leeg, thiab kev tshuaj xyuas qhov muag. Mill Test Reports (MTRs) muab cov ntaub ntawv. Charpy impact tests tej zaum yuav xav tau rau thaj chaw txias. Piv nrog rau A36, A992 yuav tsum muaj kev txheeb xyuas nruj dua ntawm cov khoom siv kho tshuab vim muaj zog ntau dua.
Q7: Dab tsi yog cov ntawv thov rau ASTM A992 H-Beams?
A992 H-Beams yog siv dav hauv steel- cov tsev ua vaj tse, ntev- txuas txuas, cov chaw tsim khoom, thiab cov qauv siab - nce siab. A36 beams tseem yuav siv tau rau hauv qhov nruab nrab lossis qis -load daim ntawv thov, tab sis A992 yog qhov zoo dua qhov muaj zog dua - rau - qhov hnyav piv thiab qhov hnyav yog qhov tseem ceeb.
Q8: Yuav ua li cas tiv thaiv corrosion rau ASTM A992 H-Beams?
A992 beams yog muab rau hauv zeb tiav, nrog rau kev xaiv galvanization lossis pleev xim rau qhov chaw corrosive. Qhov zoo thiab qhov ncaj yog qhov tseem ceeb rau kev vuam thiab bolting. Txoj kev tiv thaiv corrosion zoo ib yam li A36, tab sis A992 beams feem ntau xav tau kev saib xyuas ntxiv vim lawv siv rau hauv qhov raug lossis siab - cov qauv nce.
Q9: Ntev npaum li cas thiab txoj kev xa khoom rau ASTM A992 H-Beams yog dab tsi?
Standard ntev yog feem ntau 6-12 meters, nrog rau kev cai ntev muaj. Beams yog bundled rau kev thauj mus los thiab tshuaj xyuas qhov ncaj. Dimensional raug yog ib qho tseem ceeb los xyuas kom meej lub rooj sib txoos thiab load- bearing kev ua tau zoo.
Q10: Puas yog ASTM A992 H-Beams tuaj yeem siv rau qhov kub thiab txias?
A992 H-Beams yog haum rau qhov kub thiab txias me ntsis. Kev cuam tshuam hnyav ua rau lawv muaj kev nyab xeeb dua rau cov huab cua txias dua piv rau A36. Rau qhov qis lossis siab heev - qhov kub thiab txias ib puag ncig, engineers yuav xav tau kev kuaj xyuas ntxiv lossis xav txog lwm cov qib tshwj xeeb steel.