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- IS 1785 (Part 2):1983 hard-drawn steel wire is a mandatory certification that is required by law in India.
- The standard sets the requirements for the product’s strength, chemical composition, ductility, and marking with a view to ensuring its safety.
- Manufacturers are required to obtain a BIS licence under Scheme I which involves testing and inspection.
- Being compliant with the standard enhances the manufacturer’s creditworthiness and opens the way for participation in infrastructure projects.
- The certification may be kept through regular audits and proper record-keeping.
Introduction
It happened that the wire manufacturing unit in Raipur met the unfortunate incident of losing a major contract after their plain hard-drawn steel wire lacked BIS certification under IS 1785 (Part 2):1983. The customer had returned the complete lot of goods because they were not in conformity with the national standards for prestressed concrete materials. The situation is an example of the reason why BIS certification has become mandatory. BIS certification is the tool by which safety and performance benchmarks are ensured for as-drawn steel wires in the Indian construction sector.
What is IS 1785 (Part 2)?
IS1785 (Part 2):1983 is a specification that the Bureau of Indian Standards (BIS) has drafted for Plain Hard-drawn Steel Wire for Pre-stressed Concrete. The wire is a product that is as-drawn and has not been stress-relieved. The standard sets extremely strict criteria for the wire’s chemical composition, strength, ductility, and surface quality, ensuring the safety and service life of pre-stressed concrete structures (pipes, poles, beams, etc.)drafted by the Bureau of Indian Standards (BIS)
Key Points:
- The standard defines a plain, as-drawn steel wire that is suitable for prestressed concrete.
- It limits chemicals such as carbon, sulphur, and phosphorus.
- One of the mechanical properties to be specified is tensile strength, along with proof stress, and ductility.
- Sampling and testing are mandatory for certification of conformity to be issued.
- Marking and traceability are mandatory for each coil or batch produced. ISI MARK
Why is BIS Certification Mandatory
- The compulsory requirement of BIS Certification has come into effect starting June 10th, 2022 as per the Steel and Steel Products (Quality Control) Order, 2024.
- BIS certification will validate that the steel wire meets the national safety and quality requirements or exceeds them.
- BIS certification will provide certainty that you will have wire that will have consistent strength and ductility performance when you prestress concrete.
- Only BIS certified items will be allowed for use on government projects and major infrastructure works.
- The ISI mark adds assurance that the manufacturer has complied within the market.
Importance & Benefits of BIS Certification
| Importance | Benefits |
| Ensures compliance with BIS and legal standards | Avoids penalties and legal restrictions on sales or imports |
| Guarantees product quality and consistency | Improves performance and reliability in construction projects |
| Validates safety for prestressed concrete structures | Reduces risk of structural failure and project delays |
| Establishes trust in the supply chain | Builds strong reputation with clients and contractors |
| Mandatory for government and infrastructure tenders | Enables participation in large public and private projects |
Step by Step process of BIS Certification
Step1:Documentation
- Collect company registration documents, manufacturing details, and product specifications.
- Prepare a detailed factory layout and process flow diagram.
- Compile a quality manual, test reports, and calibration certificates.
- Ensure traceability records between raw materials, production batches, and final output.
Step2:Product Testing
- Conduct tests in a BIS-recognised laboratory or your in-house lab (if equipped).
- Tests must cover tensile strength, proof stress, elongation, and bend properties.
- Follow sampling procedures and acceptance criteria from IS 1785 (Part 2):1983.
- Keep all test reports ready as they form the technical base of your application.
Step3:Application Submission
- Register on the BIS portal and complete Form-V under Scheme-I (ISI Mark).
- Attach all required documents, test reports, and pay the prescribed fee.
- Nominate an Authorized Indian Representative if you are a foreign manufacturer.
- Cross-verify all entries and attachments to avoid rejection or resubmission delays.
Step4:Scrutiny and Inspection
- BIS reviews your application and documents for technical accuracy.
- An inspection visit is scheduled to verify manufacturing, testing, and marking processes.
- Inspectors check quality control systems, calibration records, and sample traceability.
- Non-conformities (if any) must be corrected before final testing approval.
Step5:Grant of Licence
- BIS grants the licence once all inspection and test reports meet requirements.
- The product is then authorized to carry the ISI mark with the standard number (IS 1785 Part 2:1983).
- The licence includes details of the approved product sizes, manufacturing location, and validity period.
- Post-certification, BIS conducts regular surveillance audits to maintain quality compliance.
Documents Required for BIS Certification
| Document Type | Details |
| Company Proof | Factory licence, GST, PAN. |
| Factory Info | Layout, machinery, process flow. |
| Product Data | Specs, sizes, raw materials. |
| Lab Setup | Test equipment or BIS lab reports. |
| Quality Records | Manual inspection logs. |
| Test Reports | Chemical, tensile, bend tests. |
| Marking | ISI mark sample, traceability. |
| Application | Form-V, fee receipt. |
Timelines, Costs, Validity & Renewal
- Timelines: Usually completed within 4–6 weeks after application and testing.
- Costs: Includes standard BIS application, testing, and marking fees.
- Validity: Licence remains valid for 2 years with maintained compliance.
- Renewal: Required every 2 years with updated reports before expiry.
Why Choose Diligence Certifications
- Professional assistance with BIS standards such as IS 1785 (Part 2):1983
- Complete support from documentation to licence issuance
- Ability to leverage our relationship with BIS Officers to have accelerated approvals
- Have a successful record with both Indian and overseas manufacturers to obtain BIS licences
- Expect reasonable transparency in terms of re-work and rejections
- Quality technical team for audits, testing, and compliance
Conclusion
It will be a great relief to safety, reliability and general market acceptance of the product that BIS approves Plain Hard-Drawn Steel Wire for Pre-Stressed Concrete (IS 1785 Part 2:1983). A BIS Certification is a signal of a manufacturer’s dedication and capability to manufacture products of the quality levels stated in the Indian Standards. Working together with a knowledgeable consulting firm like Diligence Certifications can facilitate the whole process from filing the application to getting the registration and approval thus ensuring that the BIS Certification is issued on time and the business operations are not interrupted.
Frequently Ask Questions
What is IS 1785 (Part 2):1983?
It describes an Indian Standard that specifies technical requirements for a plain hard-drawn (as-drawn) one time wire made of steel for manufacturing the pre-stressed concrete structures like beams, pipes, and poles.
Why is BIS certified necessary for IS 1785 (Part 2):1983 products?
BIS certification is required for products falling under the Steel and Steel Products (Quality Control) Order. It is essential to accomplish it to guarantee that the steel wires employed in construction are safe, of good quality, and trustworthy.
What agency issues BIS certification in India?
BIS, the Bureau of Indian Standards, is the only official organization that awards certification for the products covered by Indian Standards.
Who should get BIS certification for plain hard-drawn steel wire?
Manufacturers which include Indian ones and foreign ones if they are engaged in producing or supplying this wire to the Indian market must acquire a BIS licence under Scheme-I.
What are the prominent tests required by IS 1785 (Part 2):1983?
The main elements for testing are the chemical composition, the tensile strength, the proof stress, the elongation, the bending tests, and the surface quality inspection.
What is the time frame of the BIS certification?
Typically 4-6 weeks are required to finish the whole procedure. The time condition depends on the readiness of the documents, the testing of the samples, and the BIS inspection.
What is the duration of a BIS licence?
The licence issued by BIS can only be used for 2 years. The holder will have to renew his licence, thus, submitting fresh reports and records of compliance after this period.
Could a foreign manufacturer obtain a BIS licence?
Foreign producers, through an Authorized Indian Representative (AIR) who is the link between them and BIS, may submit a request for a BIS certification.
What is the consequence if a manufacturer markets the product without BIS certification?
In the occurrence, where a manufacturer sells or distributes non-certified wires, he is considered to be committing a legal violation and therefore, it can result in penalties being imposed on him, cancellation of licences, and restrictions in sales.
In what way can Diligence Certifications be of assistance for the BIS approval?
Through all the stages starting from preparing your documents, lab coordination, through to audit assistance, and finally obtaining your licence in the required time the Diligence Certifications team is available to you with expert support.
