IN THIS ARTICLE
MS Plate is used in heavy engineering, construction, and fabrication projects. To maintain performance, IS 2062 has set clear standards for tolerance limits, chemical composition, and weight. With an understanding of these specifications, it becomes possible to make better decisions. It eliminates the risk of costly mistakes. Structural reliability can be ensured simultaneously.
What Should Be the Chemical Composition of MS Plates According to IS 2062?
The maximum permissible limits for the key elements are defined by IS 2062 to ensure ductility, weldability, and strength. In the standard composition, carbon is expected to be 0.23%, whereas manganese is 1.5%. In addition, the sulphur should be around 0.045%, phosphorus around 0.045%, and silicon around 0.4%.
Most of these elements help determine the plate quality. Carbon may contribute to plate quality and strength. However, it may reduce ductility if present in excess. Manganese improves wear resistance and toughness. On the other hand, phosphorus and sulfur help to prevent brittleness. Silicon helps with deoxidation while enhancing strength. Carbon equivalent usually matters in welding applications. Lower value improves weldability, reducing the risk of cracks.
| MS PLATE CHEMICAL COMPOSITION: (IN % MAX VALUE) | |||||
|---|---|---|---|---|---|
| Carbon % | Manganese Max % | Sulphur Max % | Phosporous Max % | Silicon Max % | Carbon Equivalent |
| 0.23 | 1.5 | 0.045 | 0.045 | 0.4 | 0.42 |
Why Chemical Composition Matters in MS Plates?
Chemical composition influences the mechanical performance. Even small variations in chemical composition can significantly affect weldability, strength, and resistance to failure. Higher carbon content adds to the strength. However, it should be within the allowable measures. If proper measures are not taken, it may increase the likelihood of a crack under heavy load. Therefore, it is always better to contact experts to ensure the best-quality MS Plates. IS 2062 emphasises balanced composition, ensuring MS plates remain strong under varying conditions for structural use. It may deliver excellent weldability and fabrication results.
What Should Be the Weight Tolerance for the MS Plates?
Based on IS 2062, the weight tolerance checks the actual weight against the theoretical value to keep the MS Plate within acceptable limits. Tolerance is all about the thickness. If the plate is less than 8mm thick, it is possible to achieve a variation from +12.5% to -5.0%. When the plate thickness exceeds 8mm and reaches 12mm, the permissible variation is about +7.5% to -5.0%. For thicknesses above 12mm, the tolerance can be ±5.0%. It may help to have greater flexibility. It is important to maintain higher accuracy when using thicker options available on the market.
| Thickness | Tolerance in percentage of nominal thickness |
|---|---|
| Lesser than 8 mm | (+12.5%, -5.0%) |
| From 8 mm upto & including 12 mm | (+7.5%, -5.0%) |
| Over 12 mm | +/-5.0% |
What are Dimensional and Width Tolerances?
MS Plate width, length, and strength play an important role in determining the dimensional tolerances. For example, a material that is 2000mm wide and 8000mm long, with a thickness of about 20mm, has a width tolerance of 0 to +10mm. However, it can reach up to +15mm if the thickness is about 20mm. Thanks to the limitation, dimensional consistency can be achieved. Practical variations regarding the manufacturing can be maintained.
| TOLERANCES ON THE WIDTH OF METAL PLATES | |||
|---|---|---|---|
| Length (mm) | Width (mm) | Thickness (mm) | Tolerance on width |
| Up to and including 8000 | Up to and including 2000 | Up to and including 20 | -0, +10mm |
| Over 20 | -0, +15mm | ||
| Up to and including 8000 | Over 2000 | Up to and including 20 | -0, +0.5% of width |
| Over 20 | -0, +20mm | ||
| Over 8000 | All widths | Up to and including 20 | -0, +0.5% of length |
| Over 20 | -0, +0.3% of length | ||
| Thickness | Tolerance in percentage of nominal thickness |
|---|---|
| Lesser than 8 mm | (+12.5%, -5.0%) |
| From 8 mm upto & including 12 mm | (+7.5%, -5.0%) |
| Over 12 mm | +/-5.0% |
What Can Happen When the MS Plate May Deviate from the Standards?
Structural and financial consequences can be observed when the MS Plate weight deviates.
If it is an underweight plate, it may not meet the strength requirements. Therefore, it is quite natural to encounter safety risks in engineering applications and construction work. In the case of an overweight plate, the material cost may increase unnecessarily, affecting the project. IS 2062 specifies the accepted tolerance level, effectively eliminating issues. Continuous inconsistency may lead to a poor manufacturing process and non-compliance.
| Item | Diameter in mm | Weight Per Meter (kg) | Weight Per Foot (kg) |
|---|---|---|---|
| MS PLATE | 1.6 mm MS plate weight | 12.6 | 3.84 |
| MS PLATE | 1.8 mm MS plate weight | 14.13 | 4.31 |
| MS PLATE | 2 mm MS plate weight | 15.7 | 4.79 |
| MS PLATE | 2.5 mm MS plate weight | 19.621 | 5.98 |
| MS PLATE | 3 mm MS plate weight | 23.55 | 7.18 |
| MS PLATE | 4 mm MS plate weight | 31.4 | 9.57 |
| MS PLATE | 5 mm MS plate weight | 39.2 | 11.95 |
| MS PLATE | 5.5 mm MS plate weight | 43.2 | 13.17 |
| MS PLATE | 6 mm MS plate weight | 47.1 | 14.36 |
| MS PLATE | 7 mm MS plate weight | 55 | 16.76 |
| MS PLATE | 8 mm MS plate weight | 62.82 | 19.15 |
| MS PLATE | 9 mm MS plate weight | 70.6 | 21.52 |
| MS PLATE | 10 mm MS plate weight | 78.5 | 23.93 |
| Item | Diameter in mm | Weight Per Meter (kg) | Weight Per Foot (kg) |
|---|---|---|---|
| MS PLATE | 10 mm MS plate weight | 78.5 | 23.93 |
| MS PLATE | 12 mm MS plate weight | 94.2 | 28.71 |
| MS PLATE | 14 mm MS plate weight | 109.9 | 33.50 |
| MS PLATE | 16 mm MS plate weight | 125.6 | 38.28 |
| MS PLATE | 18 mm MS plate weight | 141.32 | 43.07 |
| MS PLATE | 20 mm MS plate weight | 157 | 47.85 |
| MS PLATE | 22 mm MS plate weight | 172.7 | 52.64 |
| MS PLATE | 25 mm MS plate weight | 192.6 | 58.71 |
| MS PLATE | 28 mm MS plate weight | 219.8 | 67.00 |
| MS PLATE | 32 mm MS plate weight | 251.2 | 76.57 |
| MS PLATE | 36 mm MS plate weight | 282.6 | 86.14 |
| MS PLATE | 40 mm MS plate weight | 314 | 95.71 |
| MS PLATE | 45 mm MS plate weight | 353.25 | 107.67 |
| MS PLATE | 50 mm MS plate weight | 392.5 | 119.64 |
Shree Ji Steel Private Limited has been offering high-quality MS Plates for years. From beginning to end, we maintain IS 2062 for Mild Steel Plates. To ensure compliance, we also run a mill test to verify the physical dimensions and chemical composition. Call or contact us today to know more about our products and services.
FAQ
When is IS 2062 used?
IS 2052 is an Indian standard. It helps specify the hot-rolled MS Plate, which is most commonly used for general and structural engineering applications.
Why Carbon Equivalent Matters for MS Plate?
Carbon equivalent usually defines the weldability. Lower values help ensure a smoother welding process. It may help reduce the risk of cracks.
Is Weight Variation Permissible with MS Plates?
Yes, permissible weight variation applies to the MS Plates. It usually ranges from +12.5% to -5.0% for the thinner plates. However, it can be about ±5.0% with the thicker plates, as it has been defined with IS 2062
