Cov txheej txheem los txheeb xyuas cov kav hlau tsis zoo thiab tsis zoo
Cov yeeb nkab steel yog ua los ntawm steel ingot los yog cov khoom siv lub raj tsis muaj perforated rau hauv cov ntaub plaub, thiab ces kub dov, txias dov los yog txias dialled. Piv nrog rau cov khoom siv hlau xws li cov hlau puag ncig, nws muaj tib yam dabtsi yog khoov thiab torsional lub zog thiab yog lub teeb hauv qhov hnyav. Nws yog ib hom kev lag luam steel, uas yog siv dav hauv kev tsim cov khoom siv thiab cov khoom siv, xws li roj laum yeeb nkab, tsheb sib txuas ncej, tsheb kauj vab ncej thiab steel scaffolding siv hauv kev tsim kho.
Fake and inferior quality identification method
1. Cov kav hlau tsis zoo thiab tsis zoo yog qhov yooj yim rau khawb, vim tias cov chaw tsim khoom ntawm cov kav hlau tsis zoo thiab cov hlau tsis zoo muaj cov khoom siv yooj yim, uas yog ib qho yooj yim los tsim burrs thiab khawb cov hlau nto. Sib sib zog nqus khawb txo lub zog ntawm cov hlau.
2. Cov kav hlau tsis zoo thiab tsis zoo tsis muaj hlau nplaum thiab muaj lub teeb liab lossis zoo ib yam li npua hlau.
3. Lub transverse ribs ntawm fake thiab inferior steel kav yog nyias thiab qis, thiab qhov tshwm sim ntawm filling yog feem ntau tsis txaus siab. Qhov laj thawj yog vim li cas thiaj li ua tiav qhov tsis zoo siab ntev, lub siab ntawm thawj ob peb kis ntawm cov khoom tiav yog loj dhau, cov hlau zoo li me dhau, thiab lub qhov zoo tsis txaus siab.
4. Qhov hla ntawm shoddy steel yeeb nkab yog elliptical, qhov laj thawj yog vim li cas cov chaw tsim khoom kom txuag tau cov ntaub ntawv, lub siab ntawm thawj ob kab ntawm cov menyuam tiav yog loj heev, lub zog ntawm cov yeeb nkab steel no yuav txo qis, thiab nws tsis ua raws li tus qauv ntawm cov yeeb nkab steel loj.
5. Zoo steel yeeb nkab muaj pes tsawg leeg, lub tonnage ntawm txias shear tshuab yog siab, lub ntsej muag kawg ntawm lub taub hau txiav yog du thiab huv si, thiab shoddy steel yeeb nkab vim cov khoom tsis zoo, lub ntsej muag kawg ntawm lub taub hau feem ntau muaj qhov tshwm sim. ntawm cov nqaij poob, uas yog, tsis sib xws, thiab tsis muaj xim hlau luster. Thiab vim tias cov khoom cuav thiab cov khoom lag luam tsis zoo txiav lub taub hau tsawg dua, lub taub hau thiab tus Tsov tus tw yuav tshwm pob ntseg loj.
6. Cov khoom siv tsis zoo thiab tsis zoo steel yeeb nkab muaj ntau yam impurities, qhov ntom ntawm cov hlau yog me me, thiab qhov loj yog tsis kam rau siab, yog li thaum tsis muaj vernier calipers, nws tuaj yeem ntsuas thiab kuaj. Feem ntau, qhov hnyav, feem ntau xav txog qhov yuam kev thiab qhov tshwm sim ntawm qhov teeb meem no.
