The main function of R-42 corrugated rebar is to provide support and reinforcement to concrete structures. At Serviacero Comercial we have a wide stock in different diameters, we have two types of straight and bent presentations.
Uses and applications of R-42 Corrugated Rod:
• Foundations: provides resistance, strength and stability to projects carried out with concrete.
• Walls: ensures structural integrity in the construction of walls or walls.
• Slabs: prevents the appearance of cracks in the slabs.
• Prefabricated elements: used to manufacture elements such as honeycombs.
Outstanding advantages of R-42 Corrugated Rod:
1. Resistance: its minimum resistance of 4200 kg/cm², making it an ideal material to support large weight loads.
2. Malleability: it is a material that is easy to bend and manipulate in applications where adaptation to different shapes is required.
3. Compatible: complements your specific applications by providing support, strength and resistance to your projects.
4. Resistance in earthquakes: it is a material that provides security since, thanks to its resistance, it is an ideal material for seismic conditions.
5. Quality: it is manufactured under the Mexican standard NMX-B-506 which regulates the specifications and methods for corrugated steel bars for concrete reinforcement, ensuring its integrity.
6. Versatility: as we mentioned, it is ideal for use in a large number of applications.
These advantages make R-42 steel rod a very popular material used in the construction industry.
Table of Theoretical Weights of R-42 Corrugated Rod
Standard NMX-B-506 (R-42)| Table of Theoretical Weights of Corrugated Rod R-42 | ||||||
| No | Nominal diameter | Area in cm2 | Perimeter in cm | Kg x ML | pieces per ton (aprox) | |
| mm | Inches | |||||
| * 2.5 | 7.9 | 5/16 | 0.49 | 2.48 | 0.384 | 217 |
| *3 | 9.5 | 3/8 | 0.71 | 2.98 | 0.557 | 150 |
| *4 | 12.7 | 1/2 | 1.27 | 3.99 | 0.996 | 84 |
| *5 | 15.9 | 5/8 | 1.99 | 5.00 | 1.580 | 53 |
| *6 | 19.1 | 3/4 | 2.87 | 6.00 | 2.250 | 37 |
| *8 | 25.4 | 1 | 5.07 | 7.98 | 3.975 | 21 |
| * 10 | 31.8 | 1 1/4 | 7.94 | 9.99 | 6.225 | 13 |
| * 12 | 38.1 | 1 1/2 | 11.4 | 11.97 | 8.938 | 9 |
| Mechanical Properties of Tension (R-42) | |||
| Resistance to tension (minimum) | 6,300 kg / cm2 | ||
| Resistance (minimum) | 4,200 kg / cm2 | ||
| Minimum elongation in 200 mm: | |||
| 3/8, 1/2, 5/8, 3/4 | 9% | ||
| 1 | 8% | ||
| 1 1/4, 1 1/2 | 7% | ||
| Mechanical Bending Properties (R-42) | |||
| Varilla | Bent at 180 ° Mandrill Diameter | ||
| 3/8, 1/2, 5/8 | 3.5 d | ||
| 3 / 4, 1 | 5.0 d | ||
| 1 1/4 | 7.0 d | ||
| 1 1/2 | 8.0 d | ||
| d = Nominal diameter of the test tube | |||
At room temperature (16° minimum) under the following conditions:
Using the correct chuck
Applying a continuous and uniform force
Holding product and mandrel together during bending
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Excellent quality and resistance.