CAPTAIN 600 EQR

A paradigm shift
A paradigm shift
There has been a paradigm shift in the way one looks at reconstruction steel. Around the World, especially in developed countries like USA, UK, Germany, France, Japan, China, Singapore and the United Arab Emirates there has been an upgrade to higher grades of steel.

Increasingly due to the scarcity of space there is a spurt in the construction of multi-storied buildings and cities are growing vertically, requiring higher grade of steel. A host of geographical factors including earthquake zoning has also influenced such upgrading of reinforcement steel.

In India too, a new strength grade Fe 600 has been introduced as per an amendment in November 2012 of the IS 1786 : 2008. Captain has been one of the few brands in the country to have qualified for this higher order of technological process of manufacturing.With state-of-the-art equipment and high skill work set, it successfully launched Captain 600 EQR.

Double benefits of using CAPTAIN 600 EQR

Effective in Seismic Zones
Effective in Seismic Zones
Large parts of India, specially the East and the North East, fall in the high to highest seismic zone.

The probability and occurrence of earthquakes being greater in this part of the country, it is extremely important to protect concrete structures from damage. Captain 600 EQR, due to its superior mechanical properties, is better equipped for this.

More savings of cost and time

Constructions require lesser quantity of TMT bars when Captain 600 EQR is used, as compared to other ordinary bars, thus resulting in direct savings of cost on steel.
Indirectly, among others, labour time can also be controlled effectively. All these
can lead to a sizeable amount of saving.

6 Basic Comparison with other TMT

CAPTAIN 600 EQR

CAPTAIN 600 EQR

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Captain has been one of the few brands in the country to have qualified for this higher-order technological process of manufacturing. With state-of-the-art equipment and a high-skill work set, it successfully launched Captain TMT 600 EQR.

Price mentioned is per piece.

CSIL will ensure that the products are delivered within 10-12 days by CSIL authorized trade partner, only at the available pin codes. 

Free home delivery on a minimum purchase of Rs. 30,000 and above of any CSIL product and within 4 km from the assigned dealer outlet. Delivery charges are to be borne by the customer if the delivery location falls outside the limit mentioned.

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Key Features of 600-EQR
Key Features of 600-EQR
  • Deeper and equi-spaced ribs which bonds with the concrete much better and stronger.
  • Smoother surface and defined martensite rim prevent corrosion.
  • Ductile and soft core absorbs sudden shocking forces.
  • Balanced chemistry provides better welding characteristics.
  • Can withstand higher vibrating load.
  • Extremely low tramp elements and killed clean steel provide stronger inter granular bonding and uniform materials properties.
  • Perfect alloy renders long lasting structures, higher economic life, and lower life cycle cost.
  • High strength to weight ratio.
Key Features of 600-EQR
Key Features of 600-EQR
  • Higher Yield Stress to BL ratio depicts high toughness, low absorption capabilities as well as safety in structure against collapsibility
  • Uniform depth of martensite – bainite surface ring result uniformity in mechanical and anti-corrosive properties.
  • Very fine uniform ferrite grains at core gives better shock absorbing capacity leading to EQR.
  • Prominent protrusion of surface ribs results complete grip with concrete leading to safety in RCC structures.
  • Precision dimensional accuracy of bars (weight per unit length) gives true value of money for customers.
  • Highly educated and skilled team. Delivers the best value for money products.

Captain 600 EQR

Why chose Captain 600 EQR over others
Why chose Captain 600 EQR over others
  • Perfect mix of science & craftsmanship
  • Superior raw materials technology
  • Extensive in house research & development
  • Regular product inspection by technology providers
  • Use of high value additives for supreme output
  • Commitment to quality
  • Captain 600 EQR Premium Steel TMT Bar

    Captain 600 EQR Mechanical properties comparison

    PropertiesBIS STD Fe 500CAPTAIN Fe 500BIS STD Fe 550 DCAPTAIN Fe 550 DBIS STD Fe 600CAPTAIN 600EQR
    Yield Stress500520550570600620
    Tensile Strength545 N/mm2600 N/mm2600 N/mm2660 N/mm2660 N/mm2720 N/mm2
    TS/YS Ratio1.081.151.081.151.061.15
    Elongation %, Min121814.5181016

    Captain 600 EQR Chemical properties comparison

    PropertiesBIS STD Fe 500Captain Fe 500BIS STD Fe 550 DCaptain Fe 550 DBIS STD Fe 600Captain 600 EQR
    % Carbon (c) (max)0.300.200.250.200.300.25
    % Sulphur (s) (max)0.0550.0300.0400.0300.0400.030
    % Phosphorus (p) (max)0.0550.0400.0400.0400.0400.040
    % S and P (max)0.1050.0750.0750.0750.0750.075

    Don't take our word for it

    ★★★★★

    I have been associated with Captain TMT for 6 years now. The quality of Captain 600EQR and Captain RustGuard is really excellent. Also, the Captain Support staff is really helpful and good. I am thankful to Captain TMT for being with us in our professional sphere.

    Ashesh Maity,

    Civil Engineer, Digha Area

    ★★★★★

    The quality of CAPTAIN TMT Bars is excellent and these rebars fit all types of reinforcements and designs. I am very much satisfied with the product since 2012 and always refer CAPTAIN TMT to my clients. To say that CAPTAIN offers the best bendability and strength is no exaggeration. As an Architect I personally like CAPTAIN RustGuard very much

    Sujan Kumar Mondal

    Architect, Howrah

    ★★★★★

    I chose Captain TMT because of easy availability; the product has a wide size range and is readily available at the dealer counter. The price of the product and quality is impressive and I am very happy with the choice of buying Captain TMT.

    Anil Tiwary,

    Customer

    ★★★★★

    I am a first time user of coated TMT bar for construction and honestly I am thoroughly satisfied with Captain RustGuard. It is easily available in my locality and the product gives complete peace of mind.

    Anuj Kumar,

    Customer, Daltonganj

    ★★★★★

    Captain RustGuard is really a unique and useful product. It is also easily available. We have approximately lifted 35 MT of RustGuard in the last 6 months.

    Amrit Kumar Gupta

    ANMOL TRADERS, Palamau

    ★★★★★

    It has been 6 years now that I have been associated with Captain Steel. Must say they come with very good schemes and definitely look at improving our business with their strategies. I am loyal to the brand and always recommend 600 EQR to all my customers.

    Mohammad Mohiddin

    PLY CENTRE, Jagarnathpur, Jharkhand

    ★★★★★

    It has been a wonderful association with Captain TMT for the last 7 years. Their support system is really impressive and I have never got stuck without any solution from team Captain. I have been able to grow my business along with Captain TMT.

    Sunil Kumar

    Prasad Agency, Gumla, Jharkhand

    ★★★★★

    My business association with Captain Steel is nearly for 4 years. All this while, I have benefited from their schemes, offers and their excellent sales and marketing support. The company has helped me in growing my business for the past few years and I recommend the brand to all my customers.

    Manoj Kumar Rakshit

    Manoj Enterprises, Godda, Jharkhand

    Frequently Asked Questions

    Grade 600 EQR

    Our QC laboratory is equipped with Spectrometer, Universal Tensile Strength Machine
    and Microscope etc to ensure high grade of products.

    - Superior Chemical Properties as compared to the relevant required maximum values of Carbon & Sulphur
    - Superior Physical Properties
    - Superior UTS (Ultimate Tensile Stress) /YS (Yield Stress) Ratio
    - Superior % Elongation
    - Better Nitrogen Values

    5.5mm to 32mm

    Captain 600 EQR can resist upto 600 degree Celsius

    Yes, we provide the test report with the consignment

    YES.

    600 EQR is made from C-20 billets, which enhances the intrinsic quality of the bar to withstand load under adverse conditions.

    The scientific rib design of Captain 600 EQR provides better gripping for better bonding with concrete.

    Captain 600 EQR can resist upto 600 degree Celsius.

    Due to low carbon content, bars can be butt or lap welded using ordinary rutile
    coated electrodes without pre or post heat treatment.

    Rust Guard TMT bar is called a green revolution in steel and Captain Steel India Ltd
    manufactured it first in Eastern India.

    It is called Rust Guard as this TMT bar provides complete protection from Rust and corrosion due to
    the epoxy coating on the bar.

    Epoxy coatings cure, whereas paint dries. In addition, when 100 percent solid epoxy
    coatings are used, the surface becomes hard and durable, making it highly resistant to
    things like chemicals, abrasions, impact, oil and grease, and stains.

    No the green colour is not hand painted. It is a fusion bonded epoxy coating on the TMT bar, done
    by high end machines. Fusion bonded epoxy is basically 100% solid ground fused powder particles
    which when heated melt to form a continuous film, the metaloplast membrane. This membrane
    being non-penetrative protects the steel from attack of oxygen and water molecules and provides
    protection from rust and corrosion.

    The rib design of Rust Guard TMT bar ensure strong grip with concrete in RCC under fusion bonding
    conditions. So Rust guard doesn’t slip with concrete, rather has a very strong grip with concrete.

    Yes Rust Guard TMT bars can be welded. After welding, patch up coating must be applied on the cut
    area. Patch up coating is provided complimentary by Captain Steel on every purchase.

    Yes Rust Guard TMT bars are flexible and can be bent.

    Rust Guard TMT bars conforms with BIS IS 13620 : 1993 specifications

    No, please use cutting machine or hacksaw blade to cut Rust Guard TMT bars.

    Please use mandrel for bending Rust Guard TMT bars.

    Rust guard TMT bars are manufactured by the following steps:
    a. Surface preparation by shot blasting process
    b. Heating of rebars (upto 240 degree Celsius) by Induction heating
    c. Epoxy coating on rebars
    d. Quenching on rebars
    e. Testing of the product

    German based “Thermex” technology

    Yes Captain 600 EQR is manufactured at fully automatic continuous rolling mill which result in
    excellent dimensional tolerance to set perfect configuration in surface finishing

    General FAQ's

    Thermo-Mechanically Treated bars, better known as TMT bars, are high-strength
    reinforcement bars that have a tough outer surface and a soft inner core. The strength of
    TMT bars is controlled by optimising the water pressure to render a soft core and tough
    exterior surface, thereby providing optimum strength, ductility and toughness

    TMT reinforcing bar has a soft ferrite-pearlite core and a hard martensitic rim. The outer
    layer of the steel bar becomes tough and durable due to the drastic difference in
    temperature brought about by the process of sudden quenching. TMT bars are then
    subjected to atmospheric cooling to equalise the temperature difference between the inner
    core and exterior. As it gradually goes through a cooling process, the TMT bar turns into a
    ferrite-pearlite mass. The TMT bar has good tensile strength and ductility since the inner
    core remains soft.

    TMT bars are widely used in general purpose concrete reinforcement structures, bridges and
    flyovers, dams, thermal and hydel power plants, industrial structures, high-rise buildings,
    underground platforms in metro railway and rapid transport system.

    The manufacturing process of TMT Bar involves the following steps
    Step 1- Manufacturing of billets from raw materials:
    Step 2 - Heating, Rolling and formation of reinforced bar:
    Step 3 - Quenching:
    Step 4 - Self-tempering:
    Step 5 - Atmospheric Cooling:


    Manufacture of Steel Billets

    Billets are rectangular rods which are created by the Continuous Casting Process. In this process,
    steel is molten and heated to a temperature of 1700°C. It is subsequently poured into casting
    moulds to give the form of billets.

    The hot billets are sent to a Rolling / Reduction Mill where the thickness is further reduced and
    elongated across three stands – Roughing, Intermediate and the Finishing stands. 

    Quenching

    Undesirable property changes might occur in case freshly cast rods are consistently kept at a
    higher temperature.
    However, this is prevented by passing the bars through a Quenching Chamber where they
    undergo Rapid Cooling system and are sprayed with cold water.
    This leads to a unique layer called Martensite being formed on the exterior surface of the bar.

    Self Tempering

    During the cooling down process of the steel bars, the outer core of the bar is at a lower
    temperature and the inner core is at a much higher temperature.
    The Martensite is further tempered on exposure to air and conduction, which leads to heat flix
    being transferred to the outer core from the inner core.
    Eventually, the process leads to the formation of Bainite and Martensite rings around the bars.
    This helps the bar to achieve higher yield strength. The core remains hot and malleable,
    otherwise called austenitic during this phase.


    Atmospheric Cooling

    The temperature of the inner core of the bars are gradually reduced to room temperature by
    passing them through special cooling beds. At this point the differentiation of outer and inner
    core becomes cognizable. The bar becomes more weldable and tensile since it has Ferrite- Pearlite structure in the center.
    The bars are then tested, bundled, and made ready for despatch.

    Earthquake resistant
    Enhanced strength combined with high ductility
    High thermal resistance
    Better malleability
    Can be easily welded without loss of strength at places of welding
    Cost-efficient.

    Quality of material being used
    Equipment and machinery involved in the self-tempering and quenching process. Rolling mill which gives shape to the material.

    - Better bending strength, better ductility, better malleability, better thermal resistance, and better
    corrosion resistance.
    - It saves time in the Reinforcement process
    - Reduces the cost of the labour
    - Lesser weight, hence, a reduction in transportation cost
    - Easy processing since easily bendable without losing strength

    - Ease of bending, rebending and reverse bending
    - Can be Butt-welded/ Lap welded
    - High corrosion resistance.
    - No significant changes in strength due to aging.
    - Weldability and excellent ductility
    - Easy bendability factor
    - Ideally suitable for a concrete structure.
    - No huge change in quality at high temperatures. 
    - The use of high tmt grade rebars ensures around 15-17% savings in steel.
    - Low carbon content.
    - Percentage of elongation and tensile strength is high, high yield stress, the rate of prolongation is high
    - Greater ductility for usage in seismic zones
    - Greater resistance to higher temperatures
    - Better bendability and greater weldability
    - Better corrosion resistance property

    Fe-415, Fe-500, Fe-550, and Fe-600 are four different grades of TMT bars produced in
    India.
    These grade numbers signify the stress level that must be applied to make any
    deformation in the bar. More stronger and superior bars have higher grade. According to
    their strength and rigidity, the respective grades are given.
    Decorative structures like balcony railings etc are made with low graded bars, but for
    core building structures like roofs and floors high graded bars are used.
    Usually for residential constructions and homes, Fe – 415 is suitable whereas Fe – 600
    bars are used for industrial use. For construction of bridges and underground structures,
    versatile bars like Fe – 500 and Fe – 550 are preferred.

    In 1959, Round bars were used, which led to plain ribbed bars from 1960 onwards. In
    1968 came CTD bars (Cold Twisted Deformed) and the next step was TMT bars, which
    happened in 1980.

    Now, let’s learn a little detail about these different grades of these bars which the TMT bar
    manufacturers in India produce –
    1. Fe-415 – This grade of TMT bar is perfect choice for homes and residential
    construction. They feature higher elongation which makes them absolutely perfect for
    building structures in earthquake-prone areas. Due to their anti-corrosion resistant
    coating, these grades of bars protect from rust and corrosion
    2. Fe-500 – This grade of TMT bar is popularly known for its uses during the
    construction of bridges, underground structures and multi-story commercial buildings.
    3. Widely used in coastal areas since they are resistant to corrosion
    4. Fe-550 – They are slightly better than Fe-500 grade and they are used both for
    construction activities which Fe-500 is capable of and also for those projects for which Fe
    – 500 is a little unsuitable
    5. Fe-600 – This type of TMT grade is generally used for heavy industrial construction
    as they require extraordinary strength and hardiness. This grade feature higher tensile
    strength than any of the other grades

    When iron is oxidised by open air, a layer of oxide is formed which is known as rusting.
    Although rusting has no impact on the quality of product, it is quite common since reaction
    of air and moisture forming rust is a regular phenomenon. It spreads on the surface
    uniformly. Corrosion is a chemical or an electrochemical reaction between an engineered
    material and its environment which causes its disintegration. Other compounds are also
    formed along with oxides and this leads to the metal surface being unevenly eroded. This is
    detrimental to the product quality.

    Please send you application to reachus@captainsteel.com

    Please send your application to reachus@captainsteel.com

    Interested buying in bulk?

    Reach out to us by using a form on contact us and you can
    also download our brochure to explore more on the product.