Xov xwm
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Tus qauv tshiab rau steel rebar tau tsaws thiab yuav raug ua tiav thaum lub Cuaj Hli kawg
Tus qauv tshiab ntawm lub teb chaws tus qauv rau steel rebar GB 1499.2-2024 "steel rau reinforced qhob ntu 2: kub dov ribbed steel tuav" yuav raug muab coj los siv rau lub Cuaj Hlis 25, 2024 Nyob rau hauv lub sij hawm luv luv, qhov kev siv ntawm tus qauv tshiab muaj ib tug marginal imp ...Nyeem ntxiv -
Nkag siab txog kev lag luam steel!
Kev Siv Hlau: Hlau feem ntau yog siv hauv kev tsim kho, tshuab, tsheb, lub zog, nkoj tsim, khoom siv hauv tsev, thiab lwm yam. Ntau tshaj 50% ntawm cov hlau yog siv hauv kev tsim kho. Kev tsim kho steel yog tsuas yog rebar thiab hlau pas nrig, thiab lwm yam., feem ntau cov vaj tse thiab infrastructure, r ...Nyeem ntxiv -
Dab tsi yog kev siv ntawm zinc-aluminium-magnesium steel ntawv? Kuv yuav tsum xyuam xim rau dab tsi thaum yuav khoom?
Zinc-plated aluminium-magnesium steel phaj yog ib hom tshiab ntawm cov hlau nplaum-resistant coated steel phaj, txheej txheej yog feem ntau zinc-raws li, los ntawm zinc ntxiv rau 1.5% -11% ntawm txhuas, 1.5% -3% ntawm magnesium thiab ib qho kab ntawm silicon muaj pes tsawg leeg (qhov kev faib ua feem sib txawv ...Nyeem ntxiv -
Dab tsi yog qhov kev qhia tshwj xeeb thiab qhov zoo ntawm galvanized steel grating?
Galvanized steel grating, raws li cov khoom siv txheej txheem txheej txheem los ntawm kev kub-dip galvanizing txheej txheem raws li steel grating, sib koom cov ntsiab lus zoo sib xws nrog cov hlau gratings, tab sis muaj cov khoom zoo dua corrosion. 1. Load-bearing muaj peev xwm: Lub l...Nyeem ntxiv -
ASTM tus qauv yog dab tsi thiab A36 yog dab tsi?
ASTM, lub npe hu ua American Society for Testing and Materials, yog ib lub koom haum thoob ntiaj teb muaj kev cuam tshuam rau kev tsim thiab tshaj tawm cov qauv rau ntau yam kev lag luam. Cov qauv no muab cov qauv kev sim, kev qhia tshwj xeeb thiab cov lus qhia ...Nyeem ntxiv -
Steel Q195, Q235, qhov txawv ntawm cov khoom?
Dab tsi yog qhov txawv ntawm Q195, Q215, Q235, Q255 thiab Q275 ntawm cov khoom siv? Carbon structural steel yog feem ntau siv hlau, feem ntau ntawm cov feem ntau dov mus rau hauv steel, profiles thiab profiles, feem ntau tsis tas yuav tsum tau kub-kho ncaj siv, feem ntau yog rau cov noob ...Nyeem ntxiv -
Cov txheej txheem ntau lawm ntawm SS400 kub dov steel phaj
SS400 kub dov structural steel phaj yog ib hom hlau rau kev tsim kho, nrog rau cov khoom siv zoo heev thiab kev ua haujlwm, dav siv hauv kev tsim kho, txuas hniav, nkoj, tsheb thiab lwm yam. Yam ntxwv ntawm SS400 kub dov steel phaj SS400 h...Nyeem ntxiv -
API 5L steel yeeb nkab qhia
API 5L feem ntau yog hais txog cov yeeb nkab steel yeeb nkab (pipeline yeeb nkab) ntawm kev ua raws li tus qauv, cov yeeb nkab steel yeeb nkab nrog rau seamless steel yeeb nkab thiab welded steel yeeb nkab ob pawg. Tam sim no nyob rau hauv cov roj pipeline peb nquag siv welded steel yeeb nkab yeeb nkab hom spir ...Nyeem ntxiv -
Kev piav qhia ntawm SPCC txias dov steel qib
1 lub npe txhais SPCC yog Ameslikas tus qauv Nyiv Pooj Teb (JIS) "kev siv dav dav ntawm cov ntawv txias dov carbon steel thiab sawb" steel lub npe, tam sim no ntau lub teb chaws lossis cov tuam txhab siv ncaj qha los qhia lawv tus kheej tsim cov hlau zoo sib xws. Lus Cim: Cov qib zoo sib xws yog SPCD (txias-...Nyeem ntxiv -
ASTM A992 yog dab tsi?
ASTM A992/A992M -11 (2015) specification txhais tau hais tias dov steel seem rau siv nyob rau hauv lub tsev cov qauv, choj qauv, thiab lwm yam lug siv lug. Tus qauv qhia qhov sib piv siv los txiav txim siab cov tshuaj muaj pes tsawg leeg rau thermal tsom xam raws li ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm 304 thiab 201 stainless hlau?
Surface Difference Nws muaj qhov sib txawv ntawm ob qho tib si los ntawm qhov chaw. Piv txwv li, 201 cov khoom vim manganese cov ntsiab lus, yog li cov khoom ntawm stainless hlau hniav zoo nkauj raj nto xim dull, 304 khoom vim tsis muaj manganese ntsiab, ...Nyeem ntxiv -
Taw qhia ntawm Larsen steel ntawv pawg
Larsen steel ntawv pawg yog dab tsi? Nyob rau hauv 1902, ib tug German engineer hu ua Larsen thawj zaug tsim ib hom steel ntawv pawg nrog U zoo li tus ntoo khaub lig-section thiab locks ntawm ob hnub, uas tau ua tiav nyob rau hauv engineering, thiab hu ua "Larsen Sheet Pile" tom qab nws lub npe. Tam sim no...Nyeem ntxiv
