e hënë, 18 qershor 2007

Tulsyan TMT & Non Standard CTD/TMT Rebars

Non-Standard CTD bars/TMT bars

Tulsyan TMT Bars

Do not conform to ISI standard

Conform to IS: 1786 standard

Length of bar is not uniform

Length of bar is uniform

Bar not marked for identification and quality

Each bar is marked Tulsyan ISI

No colour coding

Green color coding for Fe-415, Blue for Fe-500, Yellow for CRS

Made from rerollable scrap/ingots

Made from Billets

Not made from fully killed steel

Made from killed steel

Low in yield strength, tensile strength and elongation

High in yield strength, tensile strength and elongation because of superior TMT process used

Not anti-corrosive

Anti-corrosive due to cleaner steel, presence of marten site layer on outer surface and formation of protective scale film due to water quenching

No test certificate issued

Test Certificate issued with respect to each supply

Low bond strength

High bond strength due to designed deformation

High loss due to wastage because of use of non-standard material

Minimum wastage as product is standardized

Non earthquake resistant

Earthquake resistant due to high ductility

Non resistant to high temperature

Fire resistant up to 500°C without loss of strength

No after-sales service

Excellent after-sales service

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