MSP TMT BARS

With an industry-defined vision, MSP Group manufactures the next-gen TMT bars. Constructed with Turbo Quench licensed under Herbert Rothe and conforming to various international quality standards, these bars find their use in the core of all constructions - bridges, dams, highways, real estate, power plants etc. - paving the way to the future.

Turbo Quench is a futuristic cooling process, developed and patented by Herbert Rothe. It is the only rapid water quenching process that guarantees consistent properties over the entire bar length. Each MSP TMT Bar is produced through the Turbo Quench process-rolled from hot billets and
controlled through online PLCs for extra strength and durability. The Thermo Mechanical Treatment has three stages:

Quenching - The bar is passed through Turbo Quench cooling pipes and rapidly water-quenched for a suitable time, depending on the bar size and rolling speed. This hardens the surface, forming an outer layer of Crude Martensite and an Austenite Core.

Tempering - After leaving the quenching line, the core of the rebar remains hot compared to the outer surface. It is not allowed to cool outwards from the core, converting the Crude Martensite to Tempered Martensite.

Atmospheric cooling - The bars are then allowed to cool naturally on cooling beds, where the Austenite core is transformed into ductile Ferrite-Pearlite - the resultant product exhibiting high weldability and strength.

EXPERIENCE THE FUTURE

MSP TMT Bars are manufactured with finest raw materials and undergoes rigorous quality checks, making bars that are capable of building a strong India for tomorrow.

THE POWER OF FOUR

Super Strength: The strength of a construction depends on the strength of TMT bars used in it. MSP TMT Bars provide excellent strength with high elongation and yield. The bars have been made with no compromise in strength and durability, to give your constructions a longer life.

Super Flexibility: The tough outer surface and the ductile core of MSP TMT Bars make it extra ductile and bendable. This feature makes it easy to work with and provides the construction higher strength and longer life.

High Tolerance: These bars have the unique property of high elongation, which makes them highly tolerant and fatigue resistant. Due to the hardness of its outer surface and low carbon content, they can be used for butt and other weld joints without reduction in strength.

Nature Resistance: Withstanding earthquakes, resisting fire or rust, defying the effects of time, these TMT Bars give all-round protection to your constructions, for a lifetime.

STATISTICALLY DIFFERENT

MSP TMT BARS

MECHANICAL PROPERTIES Element - IS 1786 - 2008
ISI standard Fe500 ISI standard Fe500D MSP TMT Fe500 MSP TMT Fe500D
Yield Strength Min (N/mm square) 500 500 500 500
Ultimate tensile Strength, Min
(N/mm square)
545 565 610 630
Elongation, Min% 12 16 16-21 18-23
CHEMICAL COMPOSITION Element- IS1786-2008
Carbon, Max% 0.30 0.25 0.23 0.20
Sulphur, Max% 0.055 0.040 0.045 0.035
Phosphorous, Max% 0.055 0.040 0.045 0.035
S&P, Max% 0.105 0.075 0.100 0.070
BEND PROPERTIES Element
Up to & incl 20mm 4D 3D 4D 3D
Over 20mm 5D 4D 3D 3D
REBEND PROPERTIES Element
Up to & incl 10mm 5D 4D 5D 4D
Over 10mm 7D 6D 5D 5D

WEIGHT TOLERANCE

Size of Bar Cross-sectional IS 1786 : 2008 (ISI) MSP
(mm2) Area ( mnn2) Lower Standard Upper Lower Upper
8 50. 0.367 0.395 0.423 0.375 0.415
10 79. 0.574 0.617 0.660 0.586 0.648
12 113. 0.844 0.888 0.932 0.857 0.919
16 201. 2. 1.580 2. 2. 2.
20 314. 2. 2.470 3. 2. 3.
25 491. 4. 3.850 4. 4. 4.
32 805. 6. 6.310 6. 6. 6.

QUALITY CONTROL

  • MSP Offering Grades: Fe500 & Fe500D as per IS 1786:2008
  • Diameters (mm): 8,10,12,16,20,25,28 and 32.
  • Available in a fixed length of 12.2 mts. Or 40 ft. Special lengths can also be supplied as per the customers' specifications and demand.

  • MSP uses high-tech computer aided testing facilities in all its laboratories to carry out all necessary tests accurately:
Size and shape Grain Structure Proof Stress Re-Bendability
Ovality Ultimate Strength Bendability Weldability Elongation

  • Stages of checking and quality control receipt and checking of raw materials:

    The materials received from our Steel Melting Shops are tested for their chemical composition and surface defects. Only the accepted quality is forwarded to the rolling mill.

  • In-process quality checks

    During rolling, the temperature of the bar is recorded at the time of entry into the mill till the finishing stand, which ensures rolling at optimum and controlled temperatures.



How does it save money?

The Turbo Quench provides cost effective solutions to all your construction needs. With a futuristic outlook and a vision to create a stronger nation for the days to come, MSP TMT Bars have:

  • Higher strength value, possible at low carbon levels, even in bars of larger diameters
  • Reduced mass of steel required
Section Example Grade of
Concrete
Grade of Steel Qty. in Kgs % Saving in wt. over
normal Fe 415
Doubly reinforced Beam (5m long) 300mm x 500mm 15 Normal Fe415 115
15 14
99
MSP TMT Fe500
93
15 19.
MSP TMT Fe500D
M in + 234.5 KNM
SF lim= 187.5 KN 20 Normal Fe415 104
c11/d = 0.1 20 MSP TMT Fe500 89 15.
20 MSP TMT Fe500D 83 20.
15 Normal Fe415 260
Doubly reinforced Beam (6m long) 300mm x 600mm 20 Normal Fe 415 245
M lim + 507 KNM 20 MSP TMT Fe500D 207 16.
SF lim + 337.5KN 20 MSP TMT Fe500D 198 20
dud = 0.075

MSP TMT BARS

  • Bend Properties: MSP TMT Bars have excellent bend properties due to the unique ductility (elongation values) obtained by employing the German Turbo Quench.
  • Corrosion Resistance: Controlled water-cooling prevents the formation of coarse carbides, which has been cited as the main cause for the corrosive nature of common bars.
  • Cost effective: MSP TMT Bars require 15-20% less usage than ordinary bars for same work with 5% more cost. This results in an overall saving of 10-15%.
  • Better Metallurgical Properties: Perfect temperature control system to ensure better metallurgical properties.
  • Perfect Roundness: Tensionless rolling through the loop scanner system during rolling process ensures reduction of the oval shape, which is generally present in traditional rolling mills. The automatic system ensures consistent, uniform properties and a precise round shape.
  • Earthquake Resistance: MSP TMT Bars have high fatigue resistance to dynamic/seismic loads due to its higher ductility. This makes MSP TMT Bars most suitable for use in earthquake prone areas.
  • Fire Resistance: MSP TMT Bars have high thermal stability. They are the preferred choice for use in high temperature (400-600°C) applications (chimneys and fires).
  • Weldability: MSP TMT Bars with carbon content less than 0.25% can be used for butt and other weld joints without reduction in strength at the joints.
  • Higher Bonding Strength: MSP TMT Bars with their uniform and precise rib pattern ensure better bonding strength with concrete. This give higher strength to the structure and hence a longer life.
  • Finer Grain Structure: Size reduction from billet to the bars is done gradually in multiple stages for better and consistent grain structure. Refined and finer grain structure gives better metallurgical properties to the bars for longer life.
  • Strain Ageing: Due to the unique scientific manufacturing process and chemical composition,Bars show no tendency of brittleness either during welding or cold deformation of weldedjoints.
  • Precise Gauge Control: Gauge Control System ensures precise and accurate weight of the bars controlling gauge of the bars automatically between stringent tolerances.