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- IS 432 Part 2:1982 has been identified as the national standard for hard drawn steel wire for concrete reinforcement.
- Certification by BIS is an assurance that the product meets the requirements of the standard and hence the Standard Mark can be used on the product.
- Product traceability through testing, inspection, and marking is an important safety aspect.
- Certain wire is a measure of quality risk reduction for the construction companies and the owners of the projects.
- The licence from BIS is a source of increased credibility in the market and eligibility to participate in tenders for the manufacturers.
Introduction
A wire drawing business from Gujarat suffered a major blow when their steel wire supply was rejected by a top infrastructure contractor. The denial was because their product was not certified under IS 432 (Part 2):1982, which refers to the Indian Standard for hard-drawn steel wire for concrete reinforcement. Such a case is quite common in the India construction sector, where compliance with BIS standards is not only a formal requirement but also the main condition for safety and getting project approval. Bureau of Indian Standards
What is IS 432 (Part 2):1982?
IS 432 (Part 2):1982 is the standard in India that outlines the technical specifications for hard-drawn steel wire used as a material for reinforced concrete. The primary objective of the standard is to provide wire which satisfies the requirement of the standard from the point of view of strength, ductility, and durability of the wire. The standard published by the Bureau of Indian Standards (BIS) is the main reference for quality and safety of construction materials all over India.
Key points:
- The standard applies to the wire of cold-drawn steel made from mild or medium tensile steel, one of the two.
- Specifies limits for the chemical composition carbon, sulphur, and phosphorus content, among other elements.
- Specifies the mechanical properties to be as tensile strength, proof stress, and elongation.
- Provides for the implementation by the testing of samples by bending and reverse bending tests to determine the material’s ductility.
- Requires the establishment of a system for marking, labelling, and certification to monitor and control the compliance with the standard. ISI MARK
Why is BIS Certification Mandatory
BIS certification under IS 432 (Part 2):1982 ensures that hard-drawn steel wire used in concrete reinforcement meets India’s required safety, strength, and quality standards. It is a legal and technical assurance for both manufacturers and construction buyers.
Key points:
- Guarantees tested and verified material quality.
- Prevents use of substandard or unsafe reinforcement wire.
- Required for supplying to government or large infrastructure projects.
- Builds credibility and compliance for manufacturers.
- Protects structural integrity in construction works.
Importance & Benefits of BIS Certification
| Importance | Benefits |
| Ensures compliance with IS 432 (Part 2):1982 | Guarantees consistent product quality |
| Confirms safety and strength for concrete reinforcement | Reduces risk of structural failures |
| Mandatory for public and infrastructure projects | Enables participation in government tenders |
| Establishes manufacturer credibility | Builds trust with contractors and buyers |
| Provides traceability and accountability | Simplifies audits and site inspections |
Step-by-Step Process of BIS Certification
Step1:Documentation
- Collect manufacturing details, process flow, and quality assurance records.
- Prepare product drawings, test plans, and raw material certificates.
- Ensure documents align with the applicable Indian Standard (e.g., IS 432 Part 2:1982).
- Keep all paperwork ready in both digital and hard copies for submission.
Step2:Product Testing
- Take the samples to a laboratory that is accredited by BIS for confirmation.
- Tests to be done are the determination of chemical composition, tensile strength, and bend tests.
- Make sure that the samples are a true representation of the production batch.
- Get a complete and detailed test report for filing with the application.
Step3:Application Submission
- Fill the BIS application form online via the BIS portal.
- Attach all supporting documents and lab test reports.
- Pay the prescribed application and inspection fees.
- Await acknowledgment and file number for further tracking.
Step4:Scrutiny and Inspection
- BIS officials evaluate submitted documents for accuracy.
- A factory inspection is conducted to check equipment and quality control.
- Any non-conformities are reported and must be rectified promptly.
- Successful inspection leads to recommendation for certification.
Step5:Grant of License
- BIS issues the Standard Mark licence after all verifications.
- The manufacturer can now label products with the ISI mark.
- Licence details specify product scope and covered sizes.
- Regular audits and sample tests ensure continued compliance.
Documents required for BIS Certification
| Category | Documents Required |
| Business | Company registration, GST, factory licence |
| Manufacturing | Process chart, machinery list |
| Quality Control | Test reports, QAP, calibration proof |
| Product | Specs, drawings as per IS 432 (Part 2):1982 |
| Testing | BIS lab test report |
| Raw Material | Supplier and composition certificates |
| Personnel | Quality and technical staff details |
| Authorisation | Letter for BIS correspondence |
Timelines, Costs, Validity & Renewal
- Timelines: Most of the time it is done within 4-6 weeks.
- Costs: Are determined by the product type and the requirements of BIS.
- Validity: The license is valid for a period of two years.
- Renewal: Is made before the expiration with the submission of updated documents and reports
Why Choose Diligence Certifications
Diligence Certifications is the single point of contact that offers complete support to get a BIS certification that helps the manufacturers to meet the IS 432 (Part 2):1982 requirements in a way that is both effective and accurate.
- Expert advice by industry veterans who are well acquainted with BIS procedures
- Documentation, Testing Coordination, and Compliance Audits Assistance
- On metal and construction material certification, you can rely on us to have the proper experience
- Shorter turnaround time as a result of the direct BIS authorities liaison
- Continuous assistance for licence keeping and renewals
Conclusion
BIS certificate for the hard-drawn steel wire for concrete reinforcement: IS 432 (Part 2):1982 is the primary step in securing material reliability, structural safety, and market credibility. The certification is not merely a token of conformity to the national standards but a source of trust for buyers, engineers, and regulators. The certificate becomes a ticket for manufacturers to enter the stage of big infrastructure & government projects, and for contractors, it is the assurance of the quality that they can rely on.
Frequently Ask Questions
What is IS 432 (Part 2):1982?
IS 432 (Part 2):1982 is a standard in India that specifies the lateral technical features, especially the features related to the strength, ductility, and durability, of hard-drawn steel wire for reinforced concrete used in single, double or multiple pitched wires.
Why is a BIS certification mandatory for hard-drawn steel wire?
The BIS certification is the assurance that the wire is up to national safety and quality standards. Therefore, it provides the safety of not using low-quality materials in concrete structures.
Which Organization offers the BIS certification in India?
The Bureau of Indian Standards (BIS), under the Ministry of Consumer Affairs, is the chief office responsible for issuing and regulating the certification.
What is the expected time frame to obtain BIS certification?
Generally, the certification period takes around 4–6 weeks. The waiting period is contingent upon the availability of documents, the product testing, and the factory inspection.
What kind of tests are done during the certification process?
The testing includes the material's chemical composition as well as tensile strength. More tests are proof stress, bend, and reverse bend to determine the level of the standard that complies with IS 432 Part 2:1982.
Which Documents Are Necessary to Get BIS Certification?
Some of the essential documents include the company registration, manufacturing details, test reports, quality management plan, raw material certificates, and authorized signatory details.
What is the Duration of a BIS Licence?
BIS licence is typically valid for a period of two years and can be renewed before its expiration along with the-same kinds of updated test reports and records of compliance.
Is it Possible to the Manufacturer to Have Several Product Sizes under One Licence and Apply for Them?
BIS allows the consolidation of product sizes under one licence if all size samples have been tested and verified in accordance with the standard; therefore, the answer is "Yes".
What Advantages Do Manufacturers Get from the BIS Certification?
It helps to get them closer to their customers as the brand image gets enhanced which is very important for the promotion of the brand; Besides this, the certification eases the access to government tenders which create new business opportunities and thus, make the work of the company more stable; The risk of rejection gets minimized as well as the generation of customer confidence.
How Can Diligence Certifications Help With the BIS Application?
Diligence Certifications is your full-service partner — they take care of your paperwork, arranging your tests, submitting your application, and checking up until your license is granted.
