High-Strength HR Coils, Sheets, and Plates for Construction
NMDC Steel Ltd. offers a range of Hot Rolled (HR) coils, sheets, and plates with yield strengths up to 550 MPa, tailored for construction and structural applications. These products are manufactured to meet stringent quality and performance standards, ensuring durability and reliability in critical infrastructure projects.
Standard Specifications, Chemical Composition, and Mechanical Properties
Our construction-grade steel adheres to internationally recognized standards and exhibits excellent mechanical and chemical properties. Details are as follows:
HR Coils/Sheets/Plates Upto 550 MPa Yeild Strength
| STANDARD SPECIFICATION |
CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES |
APPLICATIONS |
| Specification |
Grade |
C % Max |
Mn % Max |
Si % Max |
S% Max |
P% Max |
Al% |
N % Max |
Yield Strength (Mpa) Min |
Tensile Strength (Mpa) Min |
%El (Min) |
|
| IS 2062 |
A |
0.23 |
1.6 |
0.40 |
0.050 |
0.050 |
|
0.012 |
250 |
410 |
23 |
HIGH TENSILE STRUCTURES |
| IS 2062 |
B |
0.22 |
1.5 |
0.40 |
0.045 |
0.045 |
|
0.012 |
250 |
410 |
23 |
| IS 2062 |
C |
0.20 |
1.5 |
0.40 |
0.040 |
0.040 |
|
0.012 |
250 |
410 |
23 |
|
| IS 5986 |
Fe 330 |
0.17 |
1.0 |
|
0.045 |
0.045 |
|
205 |
330-440 |
181/252 |
|
STRUCTURAL FORMING & FLANGING |
| IS 5986 |
Fe 360 |
0.17 |
1.2 |
|
0.045 |
0.045 |
|
|
235 |
360-470 |
181/252 |
| IS 5986 |
Fe 410 |
0.20 |
1.3 |
|
0.045 |
0.045 |
|
|
255 |
410-520 |
171/232 |
| IS 5986 |
Fe 510 |
0.20 |
1.5 |
|
0.045 |
0.045 |
|
|
355 |
510-620 |
161/202 |
| IS 8500 |
Fe 540B |
0.20 |
1.6 |
0.45 |
0.04 |
0.04 |
|
|
|
410 |
540 |
20 |
HIGH STRENGTH PLATES |
| IS 8500 |
Fe 570 |
0.22 |
1.6 |
0.45 |
0.04 |
0.04 |
|
|
|
450 |
570 |
20 |
| IS 8500 |
Fe 570B |
0.22 |
1.6 |
0.45 |
0.04 |
0.04 |
|
|
|
450 |
570 |
20 |
| IS 8500 |
Fe 590 |
0.22 |
1.8 |
0.45 |
0.04 |
0.04 |
|
|
|
450 |
590 |
20 |
| IS 8500 |
Fe 590B |
0.22 |
1.8 |
0,45 |
0.04 |
0.04 |
|
|
|
450 |
590 |
20 |
Applications
Our HR coils, sheets, and plates are widely used in:
- Construction Projects: High-strength structural components for buildings, bridges, and other critical infrastructure.
- Structural Forming and Flanging: Steel grades for precise forming and fabrication in structural applications.
- High-Tensile Applications: Plates for heavy-load structures requiring superior strength and reliability.
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