ASTM A992 Wide Flange H-Beams yog cov kab hlau loj tshaj plaws uas siv rau hauv kev tsim kho niaj hnub no thoob plaws North America, Central America, thiab thoob ntiaj teb kev tsim kho vaj tse.
Tsim tshwj xeeb rau dav flange (W-puab) kab teeb, ASTM A992 steel muab kev pom zoo ua ke ntawm lub zog, ductility, thiab weldability rau kev thov cov qauv siv.
ASTM A992 Wide Flange H-Beams
Ib qho ntawm qhov tseem ceeb tshaj plaws engineering zoo ntawm ASTM A992 yog nws cov kev tswj hwm Yield - rau -Tensile zog piv (tsawg dua lossis sib npaug rau 0.85). Qhov no ua kom cov hlau tswj tau zoo heev ductility nyob rau hauv kev ntxhov siab, cia cov qauv kom nqus tau lub zog ua ntej tsis ua hauj lwm. Vim yog cov cuab yeej no, A992 steel beams tau dav siv hauv seismic-cov qauv tiv thaiv xws li skyscrapers, txuas hniav, thiab siab -load industrial chaw.
Piv nrog rau cov qauv hlau zoo li ASTM A36 thiab ASTM A572 Qib 50, ASTM A992 muab cov khoom sib npaug zoo dua, txhim kho weldability, thiab ntau dua cov qauv kev ntseeg siab. Vim li no, ASTM A992 tau dhau los ua tus qauv steel qib rau dav flange beams nyob rau hauv niaj hnub structural engineering.
Vim li cas thiaj xaiv ASTM A992 Steel Beams?
Cov kws tsim qauv thiab cov neeg cog lus feem ntau sib piv ASTM A36, ASTM A572 Qib 50, thiab ASTM A992 thaum xaiv cov kab hlau. Cov lus hauv qab no qhia txog vim li cas A992 tau dhau los ua qhov kev xaiv zoo tshaj plaws rau siab -cov qauv kev ua tau zoo.
| Feature | ASTM A36 | ASTM A572 Gr.50 | ASTM A992 Cov Lus Qhia Tshwj Xeeb |
|---|---|---|---|
| Yield zog | 36 ksg | 50 ksg | 50 hli (min) |
| Tensile zog | 58 ksg | 65 ksg | 65 hli (min) |
| Yield-rau-Tensile Ratio | N/A | N/A | Tsawg dua lossis sib npaug li 0.85 |
| Weldability | Zoo | Zoo | Zoo heev |
| Tej kev siv | General qauv | Heavy-cov haujlwm ua haujlwm | Seismic structures & skyscrapers |
Cov txiaj ntsig tseem ceeb ntawm ASTM A992
Superior Ductility
Kev tswj cov khoom tawm los ntawm-rau-tensile piv tso cai rau cov hlau kom deform ua ntej tsis ua haujlwm, uas yog qhov tseem ceeb rau kev nyab xeeb ntawm cov qauv.
Zoo dua Seismic Performance
ASTM A992 beams tau dav dav teev rau cov tsev nyob hauv av qeeg- thaj chaw uas muaj xwm txheej.
Siab zog Efficiency
Lub zog siab dua - rau - qhov hnyav piv tso cai rau cov engineers tsim cov qauv sib dua thaum tuav cov khoom thauj - cov kabmob muaj peev xwm.
Mechanical Properties ntawm ASTM A992 Steel
Cov khoom siv hluav taws xob ntawm ASTM A992 steel yog ua tib zoo tswj xyuas kom ntseeg tau tias cov qauv kev ua tau zoo hauv kev xav tau kev siv engineering.
Mechanical Properties (ASTM A992)
| Khoom | Tus nqi |
|---|---|
| Modulus ntawm Elasticity (E) | 29,000 ksi (200,000 MPa) |
| Yield zog (Fy) | 50,000 psi (345 MPa) |
| Qhov kawg Tensile Strength (Fu) | 65,000 psi (450 MPa) |
| Poisson tus ratio | 0.29 |
| Qhov ntom | 490 lb/ft³ (7,850 kg/m³) |
Cov khoom no ua rau ASTM A992 steel beams zoo tagnrho rau cov qauv uas xav tau lub zog siab ua ke nrog kev txhim khu kev qha deformation.
Chemical Composition & Metallurgical Advantages
ASTM A992 steel yog tsim los siv micro-alloying thev naus laus zis, suav nrog cov ntsiab lus xws li vanadium thiab columbium (niobium) los kho cov qauv nplej.
Chemical Composition (Tswj)
| Element | Max % |
|---|---|
| Cov pa roj carbon | 0.23 |
| Manganese | 0.50 – 1.60 |
| Silicon | 0.40 |
| Vanadium | 0.15 |
| Columbium (Niobium) | 0.05 |
| Phosphorus | 0.035 |
| Sulfur | 0.045 |
Cov txiaj ntsig ntawm metallurgical
Txhim kho grain refinement kom muaj zog dua
Tsawg carbon sib npaug rau zoo weldability
Nce pob txha toughness
Txhim khu kev ua tau zoo nyob rau hauv qis - qhov kub thiab txias ib puag ncig
Cov yam ntxwv no xyuas kom meej tias ASTM A992 kab teeb tswj kev ua haujlwm ruaj khov txawm tias nyob rau hauv cov khoom hnyav lossis hnyav ib puag ncig.
Muaj ASTM A992 W-Beam Sizes
ASTM A992 feem ntau yog siv rau American Standard W-Shapes (Wide Flange Beams) tsim raws li ASTM A6 specifications.
Sib Nqus Tshooj
W6×9
W6×12
W6×15
W8×10
W8×15
Nruab nrab cov kab teeb
W10×22
W12×26
W14×30
W14×43
Heavy Structural Sections
W18×50
W21×62
W24×68
W27×94
W36 series
Txheem Lengths Muaj
20 ft (6 m)
40 ft (12 m)
60 ft (18 m)
Kev cai txiav ntev raws li engineering drawings lossis project yuav tsum muaj. Ntxiv rau W-beams, peb tseem tuaj yeem muab cov khoom A992 hauv European HEA / HEB / HEM beam profiles rau cov haujlwm thoob ntiaj teb.
Tus nqi -Cov Kev Pab Cuam Ntxiv
Tshaj li muab cov kab hlau tsis zoo, peb muab cov kev pabcuam tsim ua tiav los pab txo qis ntawm - lub sijhawm teeb tsa.
Precision Txiav
Siab - txiav raug nrog kev kam rau siab nyob rau hauv ± 2 hli, kom ntseeg tau tias muaj kev sib raug zoo nrog engineering kos duab.
Kev npaj nto
Tua blasting rau Sa2.5 ua raws li inorganic zinc-nplua nuj primer los txhim kho corrosion kuj thiab txheej adhesion.
CNC Drilling & Notching
Ua ntej -drilled bolt qhov thiab kev cai thais tso cai rau kev sib dhos sai ntawm cov chaw tsim kho.
Kub-Dip Galvanizing
Galvanizing raws li ASTM A123 rau ntev - tiv thaiv corrosion nyob rau hauv ntug dej hiav txwv los yog chaw kub kub.
Cov kev pabcuam no tso cai rau cov neeg cog lus kom tau txais kev npaj ua ntej -- nruab cov khoom siv, txuag sijhawm thiab nqi zog.
Daim ntawv thov ntawm ASTM A992 H Beams
Vim nws lub zog thiab qhov sib npaug ntawm qhov sib npaug, ASTM A992 dav flange beams yog siv rau hauv ntau qhov loj -scale engineering project.
High-Rise Buildings
ASTM A992 beams tsim cov khoom tseem ceeb -cov kabmob ntawm cov skyscrapers thiab cov chaw ua haujlwm niaj hnub.
Txuas hniav thiab Infrastructure
Cov khoom muab kev qaug zog siab rau cov qauv raug rau cov tsheb thauj khoom hnyav.
Cov Khoom Siv Muaj
Siv rau kev txhawb nqa txhua, cov cuab yeej siv hnyav, thiab cov qauv kev txhawb nqa hauv cov roj & roj cov nroj tsuag thiab cov chaw tsim khoom.
Solar Energy Structures
Loj - nplai hnub ci ua liaj ua teb siv siab - lub zog W- kab teeb ua lub hauv paus thiab cov qauv mounting.
Quality Assurance & International Export
Peb tswj hwm kev tswj hwm nruj kom ntseeg tau tias tag nrho ASTM A992 kab teeb ua tau raws li cov qauv kev lag luam thoob ntiaj teb.
Mill Test Certification
Txhua qhov khoom xa tuaj suav nrog Daim Ntawv Pov Thawj Zeb Xeem (MTC) raws li EN 10204 3.1, txheeb xyuas cov tshuaj muaj pes tsawg leeg thiab cov khoom siv tshuab.
Thib peb-Kev soj ntsuam tog
Kev tshuaj xyuas ywj pheej tuaj yeem npaj nrog cov koom haum thoob ntiaj teb lees paub suav nrog:
- SGS
- Bureau Veritas (BV)
- Lloyd's Register
Export Ntim
- Bundled nrog siab -strength steel hlua
- Xaus- tiv thaiv nrog lub kaus mom yas
- Seaworthy ntim haum rau ntev - shipping
Ntiaj teb no Export Markets
Peb niaj hnub xa cov qauv steel kab teeb rau:
- Guatemala
- Panama
- Costa Rica
- Mexico
- Tebchaws Meskas
- Middle East thiab Southeast Asia
Nrhiav ASTM A992 W6 × 15, W12 × 26, W14 × 43, lossis cov kab teeb loj dua rau koj qhov kev tsim kho? Hu rau peb hnub no kom tau txais cov lus hais thiab kev txhawb nqa rau ASTM A992 dav flange steel kab teeb.
Hu rau tam sim no kom tau txais A992 H Beam Quote
A992 beam khoom yog dab tsi?
ASTM A992 steel yog astructural steel alloy feem ntau siv nyob rau hauv Teb Chaws Asmeskas rau steel dav -flange thiab kuv beams. Zoo li lwm yam carbon steels, qhov ceev ntawm ASTM A992 steel yog kwv yees li 7850 kg / m3(0.2836 lb/in3). ASTM A992 steel muaj cov yam ntxwv hauv qab no yam tsawg kawg nkaus, raws li ASTM specification A992 / A992M.
Puas yog A992 siab carbon?
Ntawm nws cov tub ntxhais, A992 steel yog siab -lub zog steel hlau alloy tsim los rau kev siv cov qauv. Nws yog tsim los ntawm cov hlau nrogme me ntawm carbon, manganese, thiab lwm yam khoom los txhim kho nws lub zog thiab kav ntev.
Dab tsi yog qhov yield zog ntawm A992 steel?
A992 vs A36: Sab-los ntawm-Sab piv
| Khoom | A36 | A992 |
|---|---|---|
| Yield zog | 36 ksg | 50 ksg |
| Tensile zog | 58-80 hli | 65 hli (min) |
| Weldability | Zoo | Zoo heev |
| Ductility | Nruab nrab | Siab (regulated) |
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