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- The requirement for shots and grits made of malleable iron is ensured to be in agreement with Malleable Iron Shots and Grits IS: 9139:1979 specifications for the composition, hardness
- ISI mark certification is required for both the manufacturing and sale of products in India.
- Provides guarantees regarding constant quality and endurance suited for surface finishing and blasting processes.
- Encourages regulatory compliance for manufacturing by preventing penalties, facilitating smooth acceptance in the market.
- Adds Credibility and Customer Trust through Assurance of Quality and Performance
Introduction
The hardness, resilience, and unchanging quality of malleable iron shots and grits make them very popular worldwide in several industries relating to the finishing, cleaning, and preparation of metals for further treatment. Thus, materials play a vital role in sandblasting, shot peening, and polishing applications.
The Bureau of Indian Standards (BIS) has specified the required chemical composition, hardness, grain size, and other quality parameters related to the usage requirements of safety and reliability in IS 9139:1979. Conformity with this standard ensures good performance and longevity of malleable iron shots and grits for industrial requirements.
What is Malleable Iron Shots and Grits IS 9139:1979?
IS 9139:1979 The Indian Standard covers the requirement for shots and grits of malleable iron used in industries. The standard covers:
- Chemical composition: guarantees the correct mixture of iron and alloying elements that give strength.
- Physical properties: it defines hardness, density, and grain size for optimum performance.
- Quality standards: Guarantees homogeneity with regard to batches of production.
- Testing and inspection methods: verifies conformance to mechanical and chemical requirements.
- Packaging and Marking: Ensures safe handling and proper identification.
Conformity to IS 9139:1979 assures the manufacturer that the shots and grits made of malleable iron will continue to serve their purpose without loss of efficiency in industrial processes and give service reliability over a long period.
ISI Mark Certification for Malleable Iron Shots and Grits
In the ISI Mark Certification Scheme, malleable iron shots & grits must comply with IS 9139:1979 in order to be made or sold inside India. The certification confirms that:
- Observance of chemical and physical specifications
- Uniform hardness, density, and grain size
- Industries requiring reliability in surface cleaning, polishing, and finishing processes
- Calidad en cada etapa de producción
The ISI mark is only valid on products when a BIS licence is taken from a manufacturer.
Why is BIS Certification Mandatory for Malleable Iron Shots and Grits?
The utilization of non-standard shots and grits in malleable iron could lead to the following:
- Poor surface finishing and low efficiency
- Increased wear on equipment
- Higher maintenance cost; more frequent replacement
- Safety hazards during the industrial process
BIS certification ensures:
- Conformity to IS 9139:1979 standards
- Reliable performance under industrial conditions
- Consistency in the quality of production batches
- Improved market credibility and trust of customers
Importance and Benefits of BIS Certification
| Importance | Benefits |
| Compliance with IS 9139:1979 | Guarantees hardness, durability, and uniformity |
| Standardized manufacturing | Delivers consistent quality across batches |
| Mechanical reliability | Reduces risks of equipment damage or process failure |
| Regulatory compliance | Avoids legal issues and market rejection |
| Brand credibility | Enhances trust among industrial buyers |
Step-by-Step BIS Certification Process
Step 1: Documentation
Prepare the company details, production details, and specifications according to IS 9139:1979.
Step 2: Product Testing
Malleable iron shots and grits samples are tested for their chemical composition, hardness, and grain size through BIS recognized laboratories.
Step 3: Application Submission
The application and test reports can be submitted through the BIS portal.
Step 4: Scrutiny & Factory Inspection
The officials from the BIS check the manufacturing unit for proper quality control.
Step 5: Grant of Licence
After passing the evaluation process successfully, the BIS issues a licence for applying ISI certification marks on malleable iron shots and grits.
Documents Required for BIS Certification
- Company incorporating or Registration certificate
- Manufacturing unit details of the company
- Malleable Iron Shots and Grits – Technical Parameters
- Test reports from BIS recognized laboratories
- Brand authorization letter (if applicable)
Timeline, Validity & Renewal
Certification Time Frame: 20 to 30 working
Licence Validity: 1-2 years
Renewal: Submission of updated documents and proof of compliance on expiry
Conclusion
BIS Certification for Malleable Iron Shots and Grits: IS 9139: 1979 is an indication of quality and reliability. Products bearing this certification will provide for correct chemical composition, correct hardness, and correct grain size.
Adhering to IS 9139: 1979 is not just an obligation for manufacturers; rather, it is a long-sighted step towards improving their integrity and ultimate success in their areas of expertise. BIS-certified malleable iron shots and grits bring industries closer to perfection and success.
Frequenlty Asked for Questions
What does BIS certification of malleable iron shots and grits entail?
This ensures the product is in line with the IS 9139:1979 specifications for quality and safety.
Is the BIS certification compulsory for malleable iron shots in India?
Yes, it is mandatory to have an “ISI” mark on the goods to be manufactured and marketed in India.
What BIS standard covers malleable iron shots and grit?
The relevant standard is IS 9139:1979.
In what way is the BIS certification relevant and significant for these types of products?
This ensures the delivery of good, long, and safe industrial performance.
Who provides certification for malleable iron shots and grits by BIS?
The certification is issued by the Bureau of Indian Standards (BIS).
How long will it take to attain BIS Certification?
Generally 20 to 30 working days.
What kind of tests are carried out for BIS certification?
Chemical composition analysis, hardness test, and grain size test are conducted.
Is factory inspection required for certification by BIS?
Yes, officials of BIS check the manufacturing plant.
What does the validity of a BIS licence entail?
This document contains a The licence is valid for 1 to 2 years.
Are unapproved malleable iron shots allowed for sale in India?
No, because un-certified products may result in penalties and rejection.
