Txheej Txheem: Kub Rolled, Ribbed, Rounded, Alloy
Rebar yog lub npe nquag rau kub-rolled ribbed steel kab. Cov qib ntawm dog dig kub-yob steel bar muaj ntawm HRB thiab qhov tsawg kawg ntawm cov qib kawm. H, R, and B are Hotrolled, Ribbed, and Bars respectively.