Ultra TMT Grade Fe 550 Product specification according BIS (IS1786:2008) Elongation 18-24% whice makes them highly ductile and easily weldable. German turbo Technology systems provide to Ultra TMT approprite Quenching both soft core and hard core (ferrite & Pearlite) suitable for Skyscraper building and Earthquake prone zone. Ferfect Chemical Composition makes Ultra TMT Quality beyond expectation........