What is TMT steel?
How bars are made and why the outer layer is hard but the core stays soft.
Simple answers in your language. Just type your question.
How bars are made and why the outer layer is hard but the core stays soft.
Bar sizes, standard weights and allowed tolerance.
Yield strength, tensile strength and elongation, without the jargon.
Carbon, sulphur, phosphorus — and why limits matter.
When coastal or wet sites need corrosion-resistant bars.
BIS marks and how to check a mill test certificate.
Standard weights as per IS 1786:2008 · one bar = 12 m
| Size | kg per metre | kg per bar | Used for |
|---|---|---|---|
| 8 mm | 0.395 | 4.74 | Secondary reinforcement |
| 10 mm | 0.617 | 7.40 | Stirrups |
| 12 mm | 0.888 | 10.66 | Slabs, beams, columns |
| 16 mm | 1.578 | 18.94 | Beams, columns |
| 20 mm | 2.466 | 29.59 | Columns, heavy members |
| 25 mm | 3.854 | 46.25 | Heavy reinforcement |
| 28 mm | 4.836 | 58.02 | Heavy reinforcement |
| 32 mm | 6.316 | 75.79 | Major structural members |
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