ASTM A992 Cov qauv hlau H beamyog cov khoom siv dav dav tshaj plaws -flange beam khoom hauv Tebchaws Meskas rau cov qauv hlau. Raws li tus kws tshaj lij kev lag luam, peb muab ASTM A992 H kab teeb nrog kev ua haujlwm ruaj khov, weldability zoo, thiab kev tswj xyuas nruj me ntsis.
ASTM A992 Cov qauv hlau H beam
Nyob rau hauv thawj 100 lo lus, nws yog ib qho tseem ceeb uas yuav tsum tau hais tias ASTM A992 steel H beams yog muab ncaj qha los ntawm tsim nyog mills, tag nrho ua raws li ASTM A992 / A992M specification, thiab haum rau niaj hnub steel ncej kev tsim kho.
ASTM A992 Structural Steel H Beam yog dab tsi?
ASTM A992 yog cov qauv carbon steel tshwj xeeb tsim rau kub- dov dav - flange duab, suav nrog H beams thiab kuv beams. Nws tau dhau los ua qhov nyiam hloov pauv rau cov qauv qub xws li ASTM A36 thiab ASTM A572 Qib 50 hauv ntau daim ntawv thov.
ASTM A992 steel yog tsim los ua kom tau raws li qhov yuav tsum tau muaj cov cuab yeej cuab tam nruj, ua kom ntseeg tau tias kev ua tau zoo hauv kev thauj khoom -cov kabmob.
ASTM A992 Hlau ntom ntom thiab lub cev muaj zog
Zoo li lwm yam carbon structural steels, ASTM A992 H beams muaj qhov ruaj khov thiab kwv yees qhov ceev:
Ceev: 7850 kg/m³ (0.2836 lb/in³)
Qhov sib xws no ua rau ASTM A992 kab teeb yooj yim los laij rau cov qauv tsim thiab ntsuas qhov hnyav.
ASTM A992 Cov Qauv Hlau H Beams Mechanical Properties
Raws li ASTM A992 / A992M, ASTM A992 H beams yuav tsum ua kom tau raws li cov khoom nram qab no yam tsawg kawg nkaus:
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog | Ntau dua lossis sib npaug rau 345 MPa (50 ksi) |
| Tensile zog | Ntau dua lossis sib npaug rau 450 MPa (65 ksi) |
| Elongation (200 hli) | Ntau dua lossis sib npaug li 18% |
| Elongation (50 hli) | Ntau dua lossis sib npaug li 21% |
Cov cuab yeej cuab tam no ua kom ASTM A992 cov qauv hlau H beams muab ob qho tib si lub zog thiab ductility rau kev nyab xeeb kev ua haujlwm.
Vim li cas ASTM A992 thiaj nyiam rau Dav -Flange H Beams
ASTM A992 H beams tam sim no yog cov khoom siv tshaj plaws thiab pom zoo rau kev dav - flange duab hauv kev lag luam steel qauv.
Piv nrog rau cov qauv qub, ASTM A992 muaj ntau qhov kev txhim kho tseem ceeb:
- Tswj tau tawm los-rau-tensile piv Tsawg dua los yog sib npaug rau 0.85, kom ntseeg tau tias ductility zoo dua
- Qhov siab tshaj carbon sib npaug (CE) Tsawg dua los yog sib npaug rau 0.45, txhim kho weldability
- Kev ua haujlwm zoo ib yam ntawm cov khoom siv sib txawv ntawm cov kab sib txawv
- Sau tshwj xeeb kom npog tag nrho cov kub - dov cov qauv duab
Cov kev txhim kho no ua rau ASTM A992 structural H beams muaj kev nyab xeeb thiab txhim khu kev qha rau niaj hnub steel kev tsim kho.
Weldability thiab Fabrication ntawm ASTM A992 H Beams
Ua tsaug rau nws cov kev tswj cov pa sib npaug, ASTM A992 steel qauv H beams pom zoo weldability.
Lawv haum rau:
Welded steel ncej qauv
Bolted thiab riveted kev sib txuas
Hauv - qhov chaw thiab khoom tsim khoom
Cov txheej txheem fabrication feem ntau suav nrog txiav, drilling, xuas nrig ntaus, thiab machining siv cov khoom siv pa.
Daim ntawv thov ntawm ASTM A992 Structural Steel H Beams
ASTM A992 H kab teeb yog dav siv hauv:
- Cov tsev lag luam thiab kev lag luam
- Steel ncej lug thiab kab
- Cov choj thiab kev thauj mus los infrastructure
- Warehouses thiab logistics chaw
- Cov nroj tsuag hluav taws xob thiab loj - cov qauv tsim
Lawv tshwj xeeb tshaj yog nyiam nyob rau hauv tej yaam num uas yuav tsum tau kwv yees lub zog, zoo ductility, thiab txhim khu kev qha vuam kev ua tau zoo.
Vim li cas thiaj xaiv peb rau ASTM A992 Cov Qauv Hlau H Beams
Thaum muab ASTM A992 H beams, cov khoom lag luam kev paub thiab kev tswj xyuas zoo yog qhov tseem ceeb.
Peb qhov zoo muaj xws li:
- Kev ruaj khov ntawm ASTM A992 dav - flange kab teeb
- Kev tswj nruj me ntsis thiab ncaj nraim
- Tag Nrho EN 10204 3.1 Mill Test Certificate
- Kev them nyiaj yug rau - tog thib peb soj ntsuam
- Professional export ntim rau hiav txwv thauj
Nrog zoo -txhais cov khoom siv kho tshuab, weldability zoo heev, thiab kev paub txog kev lag luam, ASTM A992 structural steel H beams yog qhov kev xaiv zoo tshaj plaws rau kev tsim kho steel niaj hnub.
Daim ntawv thov
Qib A992 steel yog dab tsi?
ASTM A992 tam sim no yog hom hlau muaj ntau tshaj plaws rau cov qauv dav - flange beams. Lub koom haum kev lag luam kev lag luam piav qhia tus qauv li no: "ASTM A992 (Fy=50 ksi, Fu=65 ksi)) yog cov khoom siv tshwj xeeb rau kev dav - flange duab, tau hloov ASTM A36 thiab A572 qib 50.
Qhov txawv ntawm A992 thiab A572 yog dab tsi?
A992 feem ntau muaj raws li cov qauv duab, tsis yog daim hlau lossis cov kab tuav, thiab yog tus qauv rau dav -flange beams nyob rau hauv Teb Chaws Asmeskas Qhov Tseem Ceeb Qhov txawv: A572 Gr 50 yog qhov dav dav rau ntau hom thiab kev siv cov qauv siv dav dav, thaum A992 yog haum rau dav {{7}.
Puas yog A992 tib yam li A36?
ASTM A992 outperforms A36 nyob rau hauv cov qauv muaj zog, weld zoo ib yam, thiab seismic resilience- ua rau nws zoo tagnrho rau niaj hnub kev tsim kho. Txawm li cas los xij, A36 tseem yog qhov khoom ruaj khov, tus nqi - kev xaiv zoo rau kev sib dua - lub luag haujlwm thiab tsis yog - daim ntawv thov tseem ceeb. Xaiv raws li cov kev xav tau ntawm cov qauv, pob nyiaj siv, thiab kev tsim qhov project.
Puas yog ASTM A992 Galvanized?
Tsis yog. Hlau kab teeb yog galvanized rau ASTM A123. Koj yuav tsum tau xaj galvanization los ntawm tus neeg xa khoom steel. ASTM A992 tsuas yog tus qauv rau kev xav tau lub zog thiab metallurgy ntawm cov qauv hlau uas koj tau txais.
Puas yog A572 muaj zog dua A36?
Qhov muaj ntau dua ntawm cov khoom siv ntxiv dag zog, xws li manganese thiab silicon, hauv A572 phaj qib muab cov khoom muaj zog dua piv rau A36. Lub zog siab dua no tso cai rau A572 steel dais hnyav dua thiab tiv taus ntau zog yam tsis muaj kev tawg lossis ua tsis tiav, uas yog qhov tseem ceeb hauv kev siv cov qauv.