Ubunini: 6-40mm itunganijwe: ashyushye ashyushye, urubavu, ruzengurutse, alloy ingwate ni izina risanzwe ryibasiye imbara zishyushye. The grade of ordinary hot-rolled steel bar consists of HRB and the minimum yield point of the grade. H, R, and B are Hotrolled, Ribbed, and Bars respectively. There are two commo...
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