The manufacturing industry in India, particularly in sectors such as electronics, power distribution, and telecommunications, relies heavily on materials like soft magnetic iron strips. Demand for these materials within the country has risen due to the growing manufacturing industries, especially those dealing with electronic devices and telecommunication equipment.
These are key materials in producing electromagnetic devices, including relay yokes, armatures, and other key components of electrical machinery. The manufacturer has to ensure that the quality standards are met and comply with all necessary and mandatory certifications to make the product legally sellable within the Indian market, especially when the market is becoming increasingly competitive.
Understanding the Certification for Soft Magnetic Iron Strips
BIS is the National Standards Body of India, which develops and publishes Indian Standards, implements Conformity Assessment Schemes, recognizes and runs laboratories for Conformity assessment, implements hallmarking, works for consumer empowerment, conducts capacity-building programs on quality assurance, and represents the country in ISO and IEC.
Applicants must set up the lab. The complete testing facility will be on their factory premises. After all the formalities are ready, the application and complete testing facility details, calibration, and other supportive documents must be forwarded to the Bureau of Indian Standards.
After scrutinizing the documents, the BIS officers will visit the factory to check the in-house testing facilities and manufacturing machinery according to the process flow chart. During the inspection, the manufacturer must offer a sample, and after completing the inspection, the BIS officer will seal the sample for testing in the independent lab. BIS will issue the license after getting a satisfactory report from the lab.
Importance of Certificate for Soft Magnetic Iron Strips under BIS
Some of the importance of BIS certification for soft magnetic iron strips under BIS are:
Ensuring Market Compliance and Quality
The certification under BIS is a mark of quality, safety, and reliability. When soft magnetic iron strips are considered, given the highly critical role they can play in any electromagnetic application, it becomes pertinent that the product conforms to the highest standard.
The certification not only confirms the product’s adherence to the specified Indian standards but also reassures consumers and industries that the product will perform according to expectations in demanding applications. BIS certification thus safeguards companies from substandard materials, which can result in enormous operational failures in areas where such failures are common.
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Legal Requirement on Market Entry
Under Indian law, products that fall under the scope of the BIS Conformity Assessment Scheme, including Soft Magnetic Iron Strips, must comply with the requirements for BIS certification. Failure may result in serious consequences, including legal penalties, product recalls, and the cancellation of the BIS license. This might mean a great setback in the company’s business operations on Indian soil.
Enhancing Competitiveness in the World Market
Indian manufacturers, though earlier competing in the local market, now compete in international markets with globalization. The acquisition of BIS certification will act as a quality benchmark globally and equip the manufacturer to compete effectively in this environment. It communicates to the international buyer that this product meets high-quality standards, increasing its acceptability and attraction in global sales markets. This could be the major advantage for high import- and export-dependent industries like electronics and telecommunications.
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Specifications for Soft Magnetic Iron Strips as per IS 11946:1987
The IS 11946:1987 standard specifies the requirements for cold-rolled soft magnetic iron strips mainly used in electromagnetic applications, relay yokes, armatures, and similar parts. The standard guarantees that strips used for these critical purposes are good quality, reliable, and safe.
1. Material Composition and Structural Requirements
According to IS 11946:1987, the chemical composition of the soft magnetic iron strips shall conform to the standards specified by the BIS. The material should be homogeneous concerning its micro- and macrostructure and free from physical defects or flaws, both on external and internal examination. This uniformity is very important to ensure that the strips work consistently and in the application for which they are intended, which forms a basis of the electrical machinery’s reliability to which the strips are used.
The strips must be smooth and flat, free from waviness, bows, bends, or buckles, as per specification IS 11946:1987. It guarantees that the material can be used effectively during manufacturing and, finally, in the application related to Mechanical Alignment or Electrical Performance. Additionally, when supplied in coil forms, the material will be subjugated to a uniform treatment to maintain the hardness and mechanical characteristics for adequate uncoiling without any distortions.
2. Manufacturing and Delivery Requirements
IS 11946:1987 covers the general requirements for cold-rolled soft magnetic iron strip supply. The strip is either in coils or straight lengths, depending on the mutual agreement between the purchaser and manufacturer. Thus, the manufacturer can serve clients if they need material in bulk or pre-cut lengths.
The material is to be treated with some non-hardening rust-preventive oil on both sides, easily washable with an aqueous solution of alkali. This treatment helps protect the material during storage and transportation so that it may reach the user in good condition without corrosion.
Testing Requirements for Soft Magnetic Iron Strips
The soft magnetic iron strips shall be subject to various tests to confirm compliance with IS 11946:1987. These tests are necessary to prove that the material fulfils all the stringent requirements and provides reliable service in their respective applications. Following are the important tests as per IS 11946:1987:
Tensile Test
The tensile test measures the material’s resistance to breaking under the influence of tension. It is a crucial test in establishing the mechanical strength of soft magnetic iron strips. The tensile strength should be good enough to ensure that the strip will withstand several mechanical stresses during processing and in the final application without deforming or failing.
Bend Test
The bend test can demonstrate the material’s ductility and its capability to undergo deformation without causing fractures. This is particularly important for soft magnetic iron strips used in applications that require electromagnetic properties, where bending might be the only way that the material can attain a certain form or shape.
Grain Size Test
Grain size is an essential factor in determining the desired magnetic properties. Grain size testing is used to ensure the material’s uniformity and correct grain structure composition. The material will often perform better if it has a finer grain structure, which is key to its practical use. This is also important in imparting consistency in grain size concerning uniformity in performance.
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Certification Process for Soft Magnetic Iron Strips under BIS
The manufacturers of Soft Magnetic Iron Strips are required to apply for BIS certification. Once, they submit all the detailed documents concerning the product specifications, manufacturing, and quality control measures, they facilitate the certification process by assuring compliance with the standards specified by BIS.
1. Application Form V
It must be a filled application form with correct details of the manufacturer and its product.
2. Business License
A copy of a valid company registration certificate or license.
3. Product Specifications
Soft Magnetic Iron Strips shall be described and specified in detail in terms of the raw materials and manufacturing processes.
4. Quality Control Documents
The measures of quality control that have been implemented, such as quality manuals, process flow charts, and inspection procedures.
5. Test Reports
The laboratory test reports from BIS-certified labs reflect compliance with Indian standards.
6. Factory Layout
This is the layout of the production factory, pointing out sections that will be concerned with the production of soft magnetic iron strips.
7. Process Flow Chart
An elaborate flow chart showing the entire manufacturing procedure, right from the procurement of raw materials to the inspection of the finished product.
8. Calibration Certificates
Equipment calibration certificates are used in manufacturing for testing and measurement.
9. Sample Products
Samples of the soft magnetic iron strips for physical inspection and testing by BIS officers.
10. Audit Reports
Earlier audit reports (if any) showing compliance with BIS standards however, streamline your BIS certification with a precise secretarial audit.
11. Employee Details
Information regarding the key personnel involved in the respective production and quality control departments.
12. Declaration Forms
Declarations related to the product’s safety, conformance to standards and use of hazardous material.
Maintaining Certification for Soft Magnetic Iron Strips
BIS may grant and renew the license after continuously checking the licensee’s conformity. Manufacturers need to continuously keep their products in conformity with standards such as IS 11946:1987.
The BIS may conduct periodic audits and inspections to establish the licensee’s conformity. Manufacturers need to maintain documentation and address non-conformities timely to avoid the risk of losing the license.
Conclusion
The BIS certification under IS 11946:1987 assures that the quality of Soft Magnetic Iron Strips in India meets set norms, harnesses safety in use, and meets regulatory requirements. Apart from assuring the product’s reliability in the consumers’ minds, it also provides a competitive edge to the manufacturers in the market because their products are made according to national standards.
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Frequently Asked Question
What is IS 11946:1987?
IS 11946:1987 Is an Indian Standard specifying the requirements for cold-rolled soft magnetic iron strips used mainly for applications in electromagnetic, relay yokes, armature, and other parts of electrical machinery and apparatus.
Why is certification made compulsory for soft magnetic iron strips?
The BIS certification process is mandatorily applied to soft magnetic iron strips to ensure these products adhere to the quality, safety, and performance standards prescribed by the Bureau of Indian Standards. This certification is essential for manufacturers to legally sell, import, or export such strips within India. This certification guarantees the uniformity and reliability of the products used for critical electromagnetic applications.
Which tests must be conducted for soft magnetic iron strips?
The following tests shall be carried out under IS 11946:1987:
Tensile Test: The test determines the material's resistance to breaking under tension.
Bend Test: To assess the material's flexibility and ability to withstand deformation without cracking.
Grain Size Test: This test can identify whether the material's structure is homogeneous, which is essential for magnetic properties.What marking requirements are mandated by IS 11946:1987?
IS 11946:1987 stipulates that each strip be marked with the manufacturer's name, trademark, quality or grade, product dimensions, identification mark, net and gross weight, and the date of dispatch. The strips should be treated with rust-preventive oil and then packed suitably to prevent damage during storage and transportation. The ISI Mark must also be applied to the material to indicate compliance with the standard.
What is the timeline for obtaining BIS certification?
The standard procedure for the BIS certificate can take 120 days from the date of application. It involves assessment of the manufacturing unit, product testing, and documentation review.
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