1. Flat-Hom Lub Teeb Hlau Keel
Lub tiaj tus- hom lub teeb steel keel yog lub tiaj tus keel nrog lub duab plaub -section. Hom keel no feem ntau yog siv rau hauv kev tsim kho ntawm lub teeb yuag steel qauv xws li suspended ceilings, partitions, thiab phab ntsa.
2. Square-Tube Light Steel Keel
Square- raj lub teeb steel keels muaj square lossis square cross-section thiab muab siab load-cov kabmob muaj peev xwm thiab lub zog. Lawv tau siv dav hauv cov nroj tsuag thiab cov tsev siab -nce.
3. T-Hom Lub Teeb Hlau Keel
T-hom lub teeb steel keels muaj "T"-zoo li tus ntoo khaub lig-section. Cov flanges nyob rau sab sauv thiab qis kawg ua rau keel lub rigidity thiab load-cov kabmob muaj peev xwm. Lawv feem ntau siv nyob rau hauv qab nthab thiab phab ntsa keel lug.
4. U-Hom Lub Teeb Hlau Keel
U-hom teeb steel keels muaj "U"-zoo li tus ntoo khaub lig-section. Lawv qhov zoo dua yog tias lawv cov npoo yog smoother thiab tsis khaus rau cov neeg ua haujlwm txhais tes. Lawv tsim nyog rau cov qauv hlau hnyav xws li kev kho vaj tsev thiab chaw ua haujlwm.