01
Corrosion Resistant Steel
Manufactured using advanced CRS technology with Copper, Chromium, Nickel and Molybdenum to provide enhanced corrosion resistance for reinforced concrete structures.
ARS CRS Fe 550D TMT Bars | Corrosion Resistant Fe 550D Reinforcement Steel
Corrosion Resistant Fe 550D TMT Bars for Long-Lasting Structures
Engineered for high-salinity, humid, and demanding environments, ARS CRS Fe 550D combines superior corrosion resistance with high strength and ductility for durable reinforced concrete construction.
Fe 550D
Grade
IS 1786
Standard
560 Min.
Yield Strength
16 Min.
Elongation
PRODUCT OVERVIEW
What Are ARS CRS Fe 550D TMT Bars?
Built for Durability. Trusted Where Corrosion Matters.
Corrosion is one of the leading causes of structural deterioration. ARS CRS Fe 550D TMT Bars are specially engineered to resist corrosion while delivering the strength and ductility required for reinforced concrete construction. Manufactured to IS 1786 standards using advanced Corrosion Resistant Steel (CRS) technology, they are the preferred choice for high-salinity, high-TDS, industrial, and infrastructure environments where long-term structural durability is essential.
ARS CRS Fe 550D Technical Overview
Grade
Fe 550D CRS TMT Reinforcement Bars • IS 1786 Compliant
Available Sizes
8 mm • 10 mm • 12 mm • 16 mm • 20 mm • 25 mm • 32 mm
Applications
Coastal • High Salinity • High-TDS • Industrial • Infrastructure • RCC Construction
Key Properties
Corrosion Resistance • High Strength • High Ductility • Superior Bendability
Manufacturing
Thermo-Mechanically Treated (TMT) • CRS Technology • Controlled Alloy Composition
Certifications
BIS Certified • SGS Tested • SERC Certified • Quality Assured
WHY CHOOSE ARS CRS Fe 550D
Engineered for Corrosion Resistance. Built for Generations.
Designed for structures exposed to moisture and aggressive environments, ARS CRS Fe 550D delivers dependable structural performance with long-term corrosion protection.
02
Longer Structural Life
Helps minimise corrosion-related deterioration, extending the service life of structures exposed to humid, coastal, and high-salinity environments.
03
High Strength
Manufactured to Fe550D grade to deliver dependable reinforcement for residential, commercial, industrial, and infrastructure construction.
04
Superior Ductility
Provides excellent ductility to help reinforced concrete structures absorb stress and perform reliably under dynamic loading and seismic conditions.
05
Better Concrete Bonding
The ribbed surface profile develops a strong bond with concrete, improving load transfer and structural integrity.
06
Controlled Chemical Composition
Manufactured with carefully controlled alloying elements and chemical composition to achieve consistent corrosion resistance and mechanical performance.
07
Certified Quality
Manufactured in accordance with IS 1786 standards and backed by BIS Certification, SGS Testing, SERC Certification, and stringent quality control.
08
Designed for Aggressive Environments
Recommended for coastal regions, marine structures, industrial zones, water-retaining structures, bridges, ports, and projects exposed to high salinity.
Key Properties
Mechanical & Chemical Properties
Manufactured to IS 1786 standards, ARS CRS Fe 550D combines corrosion-resistant chemistry with dependable mechanical properties for long-term structural durability.
Physical & Chemical Properties
Fe 550D CRS
| Properties | Unit | IS 1786 – 2008 | ARS Fe 550D CRS |
|---|---|---|---|
| Carbon | % | 0.25 Max | 0.25 Max |
| Phosphorous | % | 0.04 Max | 0.04 Max |
| Sulphur | % | 0.04 Max | 0.04 Max |
| P + S | % | 0.075 Max | 0.070 Max |
| *CRE (Cr+Cu+Mo+Ni) | % | Not Less than 0.4% | Not less than 0.40% |
| Properties | Unit | IS 1786 – 2008 | ARS Fe 550D CRS |
|---|---|---|---|
| Yield Strength | N/mm2 | 550 Min | 560 Min |
| Tensile Strength | N/mm2 | 600 Min | 630 Min |
| TS / YS | Ratio | 1.08 Min | 1.10 Min |
| Elongation | % | 14.5 Min | 16 Min |
*Corrosion resistant equivalent
Trust
Tested. Certified. Trusted.
BIS Certified
Green Steel Certified
TN PWD Approved
SGBC Leader (4-Star)
GRIHA
EPD Verified
High-Strength Fe550D TMT Bars for Strong, Durable Construction
Product enquiry
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- BIS-certified
- SGS-tested
- CRS 550D
- 30+ years
FAQs
ARS CRS Fe 550D is a corrosion resistant Fe550D grade TMT reinforcement bar manufactured in accordance with IS 1786 standards. It is designed to provide enhanced corrosion resistance, high strength, and superior ductility for reinforced concrete construction.
Unlike conventional TMT bars, ARS CRS Fe 550D is manufactured with corrosion resistant alloying elements that help protect reinforcement steel from corrosion in humid, coastal, and high-salinity environments.
ARS CRS Fe 550D is recommended for coastal buildings, bridges, ports, marine structures, industrial facilities, water-retaining structures, foundations, and projects exposed to moisture or aggressive environmental conditions.
ARS CRS Fe 550D is manufactured using Corrosion Resistant Steel technology with carefully controlled alloy composition to form a protective layer that helps minimise corrosion over time.
ARS CRS Fe 550D is manufactured in accordance with IS 1786 and is supported by BIS Certification, SGS Testing, SERC Certification, and stringent quality assurance processes.
Yes. Along with enhanced corrosion resistance, ARS CRS Fe 550D provides high strength and excellent ductility, making it suitable for earthquake-resistant reinforced concrete construction when used as part of a properly engineered design.
Both products offer high strength and ductility. ARS CRS Fe 550D additionally provides enhanced corrosion resistance, making it the preferred choice for coastal, humid, industrial, and high-salinity environments where long-term durability is critical.
READY TO BUILD
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