Registered: 1532694215 Posts: 11
Reply with quote #1
HYSD and TMT have almost the same strength, so which one to choose HYSD or TMT. Which is better?
Registered: 1530780115 Posts: 14
Reply with quote #2
TMT is the best choice TMT bars do not surface flaws when compared with HYSD bars as unlike HYSD bars, as the manufacturing process in the TMT bars does not involve twisting or torsional stress. When compared with TMT bars, HYSD bars increase the consumption of steel by 8% to 11% when used in the same construction. TMT bars come with a stronger external layer, something which is missing in HYSD due to ductile nature of the core and hard crystalline surface of TMT steel. When compared with TMT bars, HYSD bars cannot provide flexibility and ductility, thus limiting their use in different types of construction works. TMT bars have less residual stress due to the better manufacturing process and have better tensile strength when compared with HYSD bars. TMT bars are effective in earthquake-prone zone and cope better with sudden load surges and absorption when compared with HYSD bars. TMT bars are more corrosion resistant when compared with HYSD bars, this is mainly due to rapid quenching and tempering used in TMT bar manufacturing process.