TMT Bars – Best TMT Steel Bars Distributor in India for Strong Foundations

TMT bars (Thermo Mechanically Treated steel bars) are the backbone of any reinforced concrete structure. Known for their high tensile strength, flexibility, and durability, they’re crucial for constructing buildings, bridges, roads, dams, and industrial projects.

APL Apollo SG TMT Bars are among the top TMT Steel bars in India, combining international-grade manufacturing with performance-enhancing properties. As a leading TMT Steel Distributor and supplier in India, SG Mart offers trusted supply and support for construction across sectors.

SG Mart offers TMT bars in the following diameters:

Available Sizes (mm)
8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 28 mm 32 mm

These sizes are suitable for a wide range of construction applications, from residential buildings to large infrastructure projects. aplapollosgtmt.com

SG Mart manufactures TMT bars in the following grades, conforming to IS 1786:2008 standards:

Product Name Grades
APL APOLLO SG TMT Fe500, 550
APL APOLLO SG TMT INFRA Fe500D, 550D

Chemical Composition (As per IS 1786:2008)

While specific chemical compositions for SG Mart’s TMT bars are not detailed in the available resources, they adhere to the IS 1786:2008 standard, which specifies the following maximum permissible limits for Fe 550 and Fe 550D grades: aplapollosgtmt.com

These chemical properties ensure the bars have the requisite strength and ductility for construction purposes.

Fe 500
Chemical Properties
Parameters BIS Standards APL Apollo SG TMT
Carbon % 0.30 0.28
Sulphur % 0.055 0.050
Phosphorous % 0.055 0.050
Sulphur + Phosphorous % 0.105 0.090
Fe 500
Mechanical Properties
Parameters BIS Standards APL Apollo SG TMT
Yield Stress (N/mm²) Min 500 520 to 540
Tensile Strength (N/mm²) Min 545 610 to 640
Elongation % 12 16 to 18
UTS/YS Ratio 1.08 1.12 to 1.30
Fe 500 D
Chemical Properties
Parameters BIS Standards APL Apollo SG TMT
Carbon % 0.25 0.23
Sulphur % 0.040 0.035
Phosphorous % 0.040 0.035
Sulphur + Phosphorous % 0.075 0.070
Fe 500 D
Mechanical Properties
Parameters BIS Standards APL Apollo SG TMT
Yield Stress (N/mm²) Min 500 520 to 540
Tensile Strength (N/mm²) Min 565 610 to 640
Elongation % 16 18 to 20
UTS/YS Ratio 1.12 1.12 to 1.30
Total Elongation % 5 8
Fe 550
Chemical Properties
Parameters BIS Standards APL Apollo SG TMT
Carbon % 0.30 0.28
Sulphur % 0.055 0.050
Phosphorous % 0.055 0.050
Sulphur + Phosphorous % 0.100 0.090
Fe 550
Mechanical Properties
Parameters BIS Standards APL Apollo SG TMT
Yield Stress (N/mm²) Min 550 570 to 620
Tensile Strength (N/mm²) Min 585 650 to 750
Elongation % 10 14 to 16
UTS/YS Ratio 1.06 1.12 to 1.30
Fe 550 D
Chemical Properties
Parameters BIS Standards APL Apollo SG TMT
Carbon % 0.25 0.23
Sulphur % 0.040 0.035
Phosphorous % 0.040 0.035
Sulphur + Phosphorous % 0.075 0.070
Fe 550 D
Mechanical Properties
Parameters BIS Standards APL Apollo SG TMT
Yield Stress (N/mm²) Min 550 570 to 620
Tensile Strength (N/mm²) Min 600 660 to 720
Elongation % 14.5 16 to 20
UTS/YS Ratio 1.09 1.12 to 1.30
Total Elongation % 5 8

Weight Tolerance

Bar Specifications and Weight
Size of Bar (mm) Cross Sectional Area (mm²) I.S. 1786 Limit (kg/m) APL Apollo SG TMT (kg/m) Weight/Bar (kg)
8 mm 50.3 0.367 - 0.423 0.375 - 0.405 4.68
10 mm 78.6 0.574 - 0.66 0.580 - 0.620 7.2
12 mm 113.1 0.844 - 0.932 0.850 - 0.900 10.5
16 mm 201.2 1.58 - 1.75 1.520 - 1.680 18.5
20 mm 314.3 2.396 - 2.54 2.421 - 2.519 29.5
25 mm 491.1 3.735 - 3.966 3.773 - 3.927 46.2
32 mm 804.6 6.121 - 6.499 6.200 - 6.373 75.6

What Makes APL Apollo SG TMT Bars the Best Choice?

  • Available Grades:
    – Fe 550 & Fe 550D (as per IS 1786:2008)
    – Sizes from 8 mm to 32 mm

    Core Features:
    – Superior Ductility & Strength for seismic and heavy-duty projects
    – Earthquake Resistance with flexible ferrite-pearlite structure
    – Corrosion Resistance for coastal or monsoon regions
    – Cleaner Steel: Low C, P, S for longer life
    – Cost-Efficient: Fewer bars, reduced labor and steel usage
    – Weldability: Supports reliable onsite joining

Applications of TMT Steel Bars in Construction

  • Residential and commercial buildings
  • Bridges and flyovers
  • Dams and power plants
  • High-rise structures
  • Industrial warehouses
  • Earthquake-resistant structures (especially with Fe 500D & Fe 550D)
TMT bar uses in construction

Mechanical Properties

SG Mart’s TMT bars conform to the mechanical property requirements set by IS 1786:2008 for Fe 550 and Fe 550D grades:

Yield Strength (YS) 550 MPa min
Ultimate Tensile Strength (UTS) 600 MPa min
Elongation Fe 550: 10% min Fe 550D: 14.5% min

These properties ensure that the TMT bars provide both strength and flexibility, essential for the durability and safety of reinforced concrete structures.

Special Features / Unique Selling Propositions (USP) of SG TMT Bars

APL Apollo SG TMT Bars, distributed by SG Mart, stand out in the construction steel market by combining advanced manufacturing technology with uncompromising quality. Engineered for excellence, these TMT bars offer unmatched performance and reliability across a wide range of applications.

Key Features & Benefits

  • Enhanced Strength
    Manufactured using best-in-class raw materials and cutting-edge rolling mills, SG TMT bars offer superior tensile strength ideal for heavy-load structures and high-rise buildings.
  • High Ductility
    Available in Fe 500D and Fe 550D grades, SG TMT bars exhibit excellent ductility, making them especially suitable for seismic zones and dynamic load-bearing applications.
  • Corrosion Resistance
    These bars undergo advanced quenching and self-tempering processes, providing exceptional resistance to rust and corrosion — critical for durability in coastal and humid environments.
  • Weldability
    With controlled carbon and sulfur-phosphorus content (as per IS 1786:2008), SG TMT bars ensure excellent weldability without compromising structural integrity.
  • Fire Resistance
    Tested for thermal stability, SG TMT bars retain their strength at high temperatures, offering vital protection in case of fire hazards.
  • Earthquake Resistance
    High elongation and flexibility ensure SG TMT bars absorb shock waves effectively, making them ideal for earthquake-prone regions.
  • Superior Bonding with Cement
    Precisely ribbed patterns ensure a stronger grip with concrete, resulting in better bonding and reduced chances of slippage in RCC structures.
  • Cleaner & Durable Steel
    Through rigorous testing (UTM, chemical, bend/re-bend), SG TMT bars are certified to be free of impurities, ensuring longevity and structural safety.

Frequently Asked Questions (FAQs)

Q1. Which grade of TMT bar is best?

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Fe 550D is best for high load-bearing and earthquake-prone zones.

Q2. What is the price of TMT bars today?

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TMT steel rate varies by grade, size, and location. Contact SG Mart for a quote.

Q3. What’s the difference between Fe 500 and Fe 550?

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Fe 550 has higher strength, meaning fewer bars are needed for the same support.

Q4. What sizes are available?

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Sizes: 8 mm to 32 mm.

Q5. Who are the top TMT bar manufacturers in India?

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APL Apollo is a leading brand, and SG Mart is a reliable supplier across India.

Key Features of SG Mart Limited’s TMT Bars

  • Corrosion-resistant
  • Earthquake-resistant (D grades)
  • High tensile strength
  • Superior elongation

TMT Bar Buying Guide: What to Check Before You Buy?

  •  Grade & Specification
  •  Price per kg
  •  Certification & Standards
  •  Corrosion Resistance
  •  Ductility (for seismic zones)
  •  Brand Reputation
  • Delivery Timelines
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