TMT steel bars are an unavoidable material when it comes to construction projects.
The strength, elongation, and durability of TMT steel bars make them easily the best choice of construction material for houses, commercial buildings, and more.
More often than not, people opt for Fe 550 or 550D variant. But, what if the building demands better strength? For instance, a marine-based building.
This is where Kairali’s all-new TMT Fe 550 XD variant of steel bars can help. It’s stronger than its predecessors.
Let’s take a deeper look at how the new TMT Fe 550 XD fares better than Fe 550 variant.
Fe 550 XD TMT Steel Bar: Advantages
Here are the advantages of Fe 550 XD TMT Steel Bars in a nutshell.
Kairali TMT Fe 550 XD steel bars boast a higher yield strength, tensile strength, and elongation properties. All these make it a top-notch choice for engineers, contractors, builders, and architects for their projects.
It comes with a minimum yield strength of 560 N/mm2 and an ultimate tensile strength of 610 N/mm2, giving it a high load-bearing capacity.
Its higher tensile strength also indicates that you need to buy only less number of bars when compared to Fe 550. This can reduce the cost by 10% relatively.
Fe 550 XD steel bar also does a job in withstanding shock, thanks to its high ductility.
Fe 550 XD is ideal for construction projects based in marine, coastal or underground environments
Kairali Fe 550 XD Steel Bar Vs Fe 550 Steel Bar: Mechanical Properties
| PARAMETER (MIN) | BIS FE 550 | KAIRALI FE 550 XD |
| YIELD STRENGTH (N/MM2) | 550 | 560 |
| ULTIMATE TENSILE STRENGTH (N/MM2) | 585 | 610 |
| ELONGATION ( % ) | 10 | 16 |
Kairali Fe 550 XD Steel Bar Vs Fe 550 Steel Bar: Chemical Properties
| CONSTITUENT | BIS FE 550 | KAIRALI FE 550 XD |
| CARBON | 0.30 | 0.25 |
| SULPHUR | 0.055 | 0.045 |
| PHOSPHORUS | 0.055 | 0.045 |
| MANGANESE | – | >=0.65 |
| SULPHUR+PHOSPHORUS | 0.1 | 0.09 |
The Bottom Line
In a nutshell, if you are looking for TMT steel bars for residential or commercial projects, Fe 550 variant would suffice.
Now, if your project demands higher strength and durability, going for Fe 550 XD steel bars would be ideal because the tensile strength, elongation properties, ductility, and yield strength are better than the predecessor.
If you require Fe 550 XD steel bars, feel free to check our offerings at Kairali TMT. Contact us to get a quote.
