Xov xwm muaj
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Kub forging thiab txias forging
Kub forging txhais tau hais tias forging dawb paug hlau saum toj no qhov kub ntawm recrystallization nqa tawm.Nta: txo cov deformation tsis kam ntawm cov hlau, yog li txo qhov phem forging quab yuam yuav tsum tau deform cov khoom, kom txo tau cov khoom tonnage forging zoo heev;altering tus qauv ntawm ingot ...Nyeem ntxiv -
Cov nyhuv ntawm steel muaj pes tsawg leeg ntawm zinc txheej
Thaum lub 'meter' steel workpieces, xaiv cov hlau, feem ntau yog qhov kev txiav txim siab tseem ceeb yog: cov khoom siv kho tshuab (lub zog, toughness, thiab lwm yam), kev ua haujlwm thiab cov nqi.Tab sis rau galvanized qhov chaw, muaj pes tsawg leeg ntawm kev xaiv cov ntaub ntawv, qhov zoo ntawm kub-dip galvanizing muaj g ...Nyeem ntxiv -
Common Arc Vuam txheej txheem-Submerged Arc Vuam
Submerged arc vuam (SAW) yog ib qho txheej txheem arc vuam.Thawj patent ntawm submerged-arc welding txheej txheem (SAW) tau raug coj tawm hauv xyoo 1935 thiab npog cov hluav taws xob arc hauv qab lub txaj ntawm granulated flux.Keeb kwm tsim thiab patented los ntawm Jones, Kennedy thiab Rothermund, cov txheej txheem yuav tsum muaj c ...Nyeem ntxiv -
Tuam Tshoj txuas ntxiv tsav Crude Steel Production nyob rau lub Cuaj Hli 2020
Ntiaj teb crude steel ntau lawm rau 64 lub teb chaws tshaj tawm rau World Steel Association yog 156.4 lab tonnes nyob rau hauv lub Cuaj Hli Ntuj 2020, nce 2.9% piv rau lub Cuaj Hli Ntuj 2019. Tuam Tshoj tsim 92.6 lab tonnes ntawm crude steel nyob rau hauv lub Cuaj Hli Ntuj 2020, nce 10.9% piv rau Cuaj hlis 2019....Nyeem ntxiv -
Ntiaj teb no crude steel ntau lawm nce 0.6% xyoo-rau-xyoo nyob rau lub yim hli ntuj
Thaum lub Cuaj Hlis 24, Lub Koom Haum Ntiaj Teb Hlau (WSA) tau tshaj tawm lub yim hli ntuj lub ntiaj teb crude steel ntau lawm cov ntaub ntawv.Thaum Lub Yim Hli, cov khoom siv hlau tsis zoo ntawm 64 lub teb chaws thiab cheeb tsam suav nrog hauv World Steel Association cov txheeb cais yog 156.2 lab tons, nce 0.6% xyoo-rau-xyoo, lub fir ...Nyeem ntxiv -
Tuam Tshoj txoj kev tsim kho tom qab tus kab mob coronavirus tau nthuav tawm qhia pom tias txias txias li cov khoom siv hlau qeeb
Kev nce siab hauv Suav cov hlau tsim kom tau raws li tus kab mob coronavirus tom qab kev tsim kho vaj tsev zoo nkauj tuaj yeem ua haujlwm rau lub xyoo no, vim cov hlau thiab hlau ore cov khoom lag luam tau sib sau ua ke thiab xav tau cov hlau poob.Lub caij nplooj zeeg ntawm cov nqi hlau hlau nyob rau lub lim tiam dhau los los ntawm 6-xyoo siab ntawm ze li US $ 130 ib qhov qhuav ...Nyeem ntxiv