Ob qib feem ntau ntawm American standard H seem steel yog A572 Gr.50 thiabA992, uas yog cov qib steel tseem ceeb hauv North American tus qauv tsim raws li AISC Phau Ntawv Qhia. Lawv qhov sib txawv ntawm lub zog, toughness, weldability, thiab tus nqi yog qhov tseeb.
A992 H seem steel muaj lub zog siab thiab zoo heev weldability, ua rau nws zoo tagnrho rau cov txuas hniav loj, siab -nce vaj tse, thiab lwm yam kev thov rau cov qauv siv.
A992
A572 H seem steel muab tus nqi kom zoo dua thiab zoo toughness, ua rau nws tsim nyog rau tej yaam num nrog nruj dua pob nyiaj siv los yog tsawg dua cov kev ua tau zoo. Xaiv qhov tsim nyog H-section steel nyob ntawm cov kev xav tau ntawm engineering tshwj xeeb, kev txwv nyiaj txiag, thiab ib puag ncig kev pabcuam.
Hu rau tam sim no kom tau txais A992 thiab A572 Gr50 H Beam Quote
Chemical Composition Sib piv ntawm A572 Gr.50 thiab A992 H seem steel
| Lub ntsiab | A992 H ntu steel | A572 Gr.50 H ntu steel |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.23% | Tsawg dua lossis sib npaug li 0.23% |
| Manganese (Mn) | 0.50–1.50% | Tsawg dua lossis sib npaug li 1.35% (ib txwm 0.90-1.20%) |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035% | Tsawg dua lossis sib npaug li 0.035% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035% | Tsawg dua lossis sib npaug li 0.040% |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.40% | Tsawg dua lossis sib npaug li 0.40% |
| Vanadium (V) | 0.02–0.15% | 0–0.15% |
Mechanical & Physical Properties Sib piv ntawm A572 Gr.50 thiab A992 H seem steel
| Khoom | A992 H ntu steel | A572 Gr.50 H ntu steel |
|---|---|---|
| Yield zog (Fy) | 50 ksi (345 MPa) min | 50 ksi (345 MPa) min |
| Tensile zog (Fu) | 65-75 ksi (450-515 MPa) | 65-75 ksi (450-515 MPa) |
| Elongation (%) | Ntau dua lossis sib npaug li 18% (8 hauv) | Ntau dua lossis sib npaug li 18% (8 hauv) |
| Modulus ntawm Elasticity (E) | 29,000 KSI (200 GPa) | 29,000 KSI (200 GPa) |
| Toughness / Weldability | Zoo heev, optimized rau vuam | Zoo, haum rau kev vuam dav dav |
| Tej kev siv | High-cov tsev nce siab, txuas hniav, cov qauv hnyav | Cov vaj tse dav dav, txuas hniav, cov qauv kev lag luam nrog kev txwv nyiaj txiag |
Hu rau tam sim no kom tau txais A992 thiab A572 Gr50 H Beam Quote
Daim ntawv thov ntawm ASTM A572 Gr.50 thiab ASTM A992 H seem steel
Ntawm American standard H seem steels, ASTM A572 Gr.50 yog haum rau nruab nrab mus rau hnyav-load, ntev-span lug, xws li ntau- zaj dab neeg lub tsev thav duab, txuas hniav, hnyav industrial vaj tse, yees, thiab cov khoom siv hauv paus.
Nws yog qhov tsim nyog tshwj xeeb rau cov haujlwm uas xav tau qhov sib npaug ntawm lub zog thiab tus nqi -kev ua tau zoo. Hauv qhov sib piv, ASTM A992 Wide Flange H Beam yog qhov kev xaiv zoo tshaj plaws rau cov qauv txheej txheem hauv North American cov tsev, suav nrog cov tsev siab - nce siab, seismic- cov qauv tiv thaiv, ntev - cov kab teeb, cov phab ntsa tseem ceeb, thiab cov kab loj.
A992 H ntu steel
Hu rau tam sim no kom tau txais A992 thiab A572 Gr50 H Beam Quote
A992 Structural Steel Beams feem ntau yog siv rau hauv cov qauv tsim uas xav tau kev txhawb nqa siab - lub zog, thaum A572 Gr.50 Wide Flange H Beam kuj tau siv dav hauv H ntu qauv; vim nws lub zog dav dav, nws tuaj yeem siv rau hauv qee qhov tshwj xeeb engineering tej yaam num thiab.
Yog tias koj muaj qhov project xav tau rauA992 H ntu steellos yogA572 Gr.50 H ntu steel, thov koj xav tso qhov kev txiav txim. GNEE tuav cov khoom lag luam loj ntawm qhov ntau thiab tsawg rau koj xaiv los ntawm.
A992 H ntu steel
A572 Gr.50 H ntu steel
Cov kab teeb no tuaj yeem muab tau rau hauv ntau qhov tshwj xeeb, suav nrog W8 × 10 txog W30 × 90, thiab tuaj yeem ua tiav raws li koj qhov project xav tau.
Rau cov ncauj lus kom ntxaws mechanical zog, tshuaj muaj pes tsawg leeg, thiab kev sib tham dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw thiab cov kev pabcuam tshaj lij los txhawb koj cov kev tsim kho thiab engineering.
Hu rau tam sim no kom tau txais A992 thiab A572 Gr50 H Beam Quote
Q: Dab tsi yog A992 H-Beam steel, thiab nws siv qhov twg?
A:A992 H-Beam steel yog siab-lub zog, qis- alloy structural steel dav siv hauv tsev thav duab, txuas hniav, thiab chaw tsim khoom. Nws yog tsim tshwj xeeb los hloov A36 thiab A572 Gr.50 hauv kev tsim kho, muab lub zog zoo dua, weldability, thiab kev ua haujlwm seismic.
Q: Dab tsi yog cov khoom siv ntawm A992 steel beam?
A:A992 H-Beams muaj qhov tsawg kawg nkaus lub zog ntawm 345 MPa (50 ksi) thiab tensile lub zog ntawm 450 txog 620 MPa (65-90 ksi). Lub zog siab no tso cai rau me me hla- ntu, txo qhov hnyav ntawm cov qauv thaum tswj kev thauj khoom{10}}cov kabmob muaj peev xwm thiab ruaj khov.
Q: Yuav ua li cas weldability ntawm A992 H-Beams?
A:A992 steel muaj qhov sib npaug ntawm cov pa roj carbon tsawg, uas ua kom muaj kev sib txuas zoo heev. Nws tuaj yeem welded siv cov txheej txheem txheej txheem xws li SMAW, GMAW, thiab FCAW, nrog tsawg kawg preheating los yog tom qab-weld kho cua sov yuav tsum tau, ua rau nws zoo tagnrho rau ntawm - qhov chaw tsim.
Q: Dab tsi ua rau A992 steel haum rau seismic lossis dynamic load daim ntawv thov?
A:Cov hlau nthuav tawm zoo heev toughness thiab ductility, cia nws nqus thiab dissipate zog nyob rau hauv dynamic los yog seismic loads. Qhov no txo qhov kev pheej hmoo ntawm kev ua tsis tiav thiab txhim kho kev ruaj ntseg hauv cov tsev siab - nce siab, txuas hniav, thiab cov chaw lag luam.
Q: A992 H-Beam puas tuaj yeem pab txhawb kev tsim kho kom ruaj khov?
A:Yog lawm, A992 steel yog 100% recyclable, thiab nws lub zog siab tso cai rau cov qauv me me, txo cov khoom siv. Kev tsim khoom zoo thiab kev tsim kho, ua ke nrog lub neej ua haujlwm ntev, ua rau nws muaj kev xaiv ruaj khov rau cov phiaj xwm niaj hnub.