Stainless steel wires are thin, strong metal wires used in a wide range of applications such as manufacturing, construction, fabrication, and industrial products. They are valued for their strength, corrosion resistance, and ability to perform well under different working conditions. These wires are commonly used where durability and long service life are important.
To ensure these wires meet proper quality and safety standards, the Bureau of Indian Standards has defined requirements under IS 6528:2024. This certification ensures that these steel wires meet the required specifications for strength, composition, and performance, allowing them to be safely used in the Indian market.
overview of indian standard is 6528:2024
This is the Indian Standard that defines the quality requirements for stainless steel wires used in different industrial and engineering applications.
It is issued by the Bureau of
Indian Standards to ensure that the wires are:
- Made with proper chemical composition for consistent performance
- Strong and durable for industrial use
- Resistant to corrosion for longer service life
- Suitable for continuous working conditions
- Tested for quality, strength, and dimensional accuracy
who requires bis certification for stainless steel wires?
BIS certification under IS 6528:2024 is required for all businesses involved in the
manufacturing and supply of steel wires in India.
It is applicable for:
- Manufacturers – Must ensure wires produced in India meet BIS certification
requirements.
- Importers—Must get imported wires BIS certified before selling in the Indian
market.
- Suppliers/Distributors – Must deal only in BIS-compliant steel wires for legal
sale and distribution.
BIS Testing
bis testing & quality standards for steel wires
To ensure consistent strength and long service life of stainless steel wire, the Bureau of
Indian Standards has defined strict testing and inspection requirements under IS
6528:2024. These tests are applied during production and final quality checks.
Chemical Composition Verification
- Heat Sample Chemical Assessment (R) – Checks ladle chemistry for elements
like carbon, chromium, nickel, manganese, silicon, molybdenum, nitrogen, etc.
- Finished Product Composition Validation (S) – Confirms final wire chemistry
stays within permissible variation limits from standard values
- Impurity Restriction Check (R) – Ensures no unwanted alloying elements are
introduced beyond allowed thresholds
Surface Quality & Dimensional Accuracy Checks
- Surface Integrity Examination (R)—Verifies wire is free from cracks, seams,
scratches, and harmful surface imperfections
- End Defect Depth Inspection (R) – Measures permissible longitudinal
discontinuities like hairline seams at wire ends
- Gauge and Size Precision Test (R)—Confirms diameter, flatness, and sectional
dimensions fall within specified tolerances
- Form Consistency Verification (R) – Checks uniformity for round, square,
hexagon, and flat wire profiles
Mechanical Strength & Performance Testing
- Load-Bearing Strength Test (R)—Determines tensile strength, yield strength,
and elongation properties
- Back-Bending Endurance Test (S) – Assesses resistance to repeated bending
without cracking or failure
- Twist Resistance Evaluation (S)—Measures ability of wire to withstand
torsional stress without fracture
- Coiling and Reversal Flex Test (S) – Checks ductility and flexibility under
wrapping conditions
Corrosion Resistance Evaluation
Ensures long-term resistance against chemical and environmental attack:
- Acidic Environment Durability Test (S) – Evaluates resistance in nitric acid
medium (mass loss measurement method)
- Sulphate Exposure Corrosion Trial (S)—Tests intergranular resistance in a
sulphate–acid solution environment
process for bis certification
The BIS certification process for Stainless Steel Wires IS
6528:2024 involves multiple steps designed to thoroughly evaluate a product's
compliance with the required standards. Here is a general overview of the
certification process:
The process includes the following steps:
- Online Registration: Manufacturers register on the BIS Manak Online Portal by submitting company details, factory information, and product specifications. Foreign manufacturers must appoint an Authorized Indian Representative (AIR) in India.
- Testing at BIS-Approved Laboratory:Product samples are tested in BIS-approved laboratories to evaluate electrical safety, insulation resistance, heating efficiency, durability, and overall performance as per requirements.
- Application Submission: The application is submitted along with laboratory test reports, technical documents, manufacturing process details, and factory information. Foreign manufacturers must also provide AIR-related documents.
- Factory Inspection:BIS officials conduct an on-site inspection of the manufacturing unit to verify production processes, quality control systems, safety measures, and compliance with the standard.
- Grant of BIS License: If all requirements are successfully met, BIS issues the certification license under Scheme-I, allowing the manufacturer to produce and sell certified products.
- Use of ISI Mark:After certification approval, the manufacturer is permitted to use the ISI mark along with a CM/L number on the product, confirming compliance with the standard.
Documents Required for IS 6528 Certification
The following documents are typically required for obtaining BIS certification:
Basic Details: - GST Certificate
- Email ID, Contact Number
- Factory, Office Address
- Rent and Lease Agreement(if applicable)
- Partnership Deed (if partnership firm)
| Product and Packing Details: - Quantity per Package
- Nature of Packing
- Nature of Printing / Marking on Product
|
Testing and Quality Control: - List of testing Equipment
- Calibration Certificates
- QC or Lab In-charge Appointment Letter
- Qualification
| Raw Material Details: - List of Row Materials
- Supplier Details
- Raw Material Invoices
- Raw Material Test Certificates
|
Manufacturing Details: - List of Machinery
- process flow chart
- Layout plan of Factory
| Brand and Certification Documents: - Trademark / Brand Certificate
- Consent Latter From BIS Recognized Laboratory
|
Production Details: - Annual Installed Capacity
- Last Year Production Value
| Additional Documents: - Weekly Off Details
- Hygiene Documents(if applicable)
- Relaxation Latter(if applicable)
- Any Other Relevant Documents
|
Management Details: - Top Management Details
- Concerned Person for BIS Communication
| Required Documents: - Agreement with AIR
- Aadhaar Card with AIR
- AIR Nomination Form
- Required Undertakings
- Scope of License
|
Foreign manufacturers must additionally appoint an Authorized Indian Representative (AIR) to coordinate with the Bureau of Indian Standards (BIS) and manage compliance requirements in India.
Marking Requirements & License Validity
Marking Requirements:-
When a manufacturer obtains the BIS license, the ISI mark for hair clippers and trimmers must be applied clearly and permanently on the product or its packaging. In addition to the ISI Mark, other important details must also be provided on the product or packaging, as specified in the table below. This ensures the product meets all quality and safety standards.
Note: Marking is typically applied using durable stamping, tagging, or permanent printing to ensure clear identification during handling, storage, and transportation, as per BIS marking requirements.
Validity of BIS licenses for Stainless Steel Wires
After obtaining BIS certification for the product, the license is valid for a fixed period and must be maintained by following BIS rules and standards.
Cost of BIS certification for Stainless Steel Wires
The cost of BIS certification includes charges for application, inspection, license, testing, and marking. These fees are paid to BIS as per Scheme I guidelines.
Cost Breakdown
Indian Manufacturers
| No. | Major Charges | Particulars | Amount | Remark |
| 1. | BIS Fees | Application Fee | INR 1,000 | --- |
|
| Audit Charges | INR 7,000 | --- |
|
| License Fee | INR 1,000 | --- |
|
| Marking Fee | Depends on product | Discount as per MSME |
| 2. | Testing Charges | Sample Testing Fee | As Applicable | Payable to a BIS-approved laboratory. |
| 3. | EVTL India Service Fee | Consultancy & Support | As per actual | Depends on product type and factory location. |
Foreign Manufacturers
| No. | Major Charges | Particulars | Amount | Remark |
| 1. | BIS Fees | Application Fee | USD 15 | Payable via SWIFT to BIS. SAARC countries can pay INR with 18% GST. |
|
| Audit Charges | USD 3,200 – 5,900 | Depend on Country |
|
| License Fee | USD 15 | --- |
|
| Marking Fee | Depends on product | --- |
| 2. | Testing Charges | Sample Testing Fee | As Applicable | Payable to a BIS-approved laboratory. |
| 3. | EVTL India Service Fee | Consultancy & Support | As per actual | Based on product and manufacturing location. |
Note:Additional costs such as pre-testing or factory pre-inspection may apply. The total cost may vary depending on product type, testing requirements, and current BIS guidelines.
To Know The Process in Detail, Please Visit:-
Under BIS Registration Products ISI and CRS
Conclusion
The BIS requirements for stainless steel wire under IS 6528:1995 ensure that the
material maintains high standards of chemical integrity, mechanical strength, and
surface quality for industrial and engineering use. These controls confirm that the wire
performs reliably in applications where corrosion resistance, durability, and uniform
performance are critical.
With expert assistance from an experienced BIS consultancy such as EVTL India,
manufacturers can simplify the entire certification journey, manage documentation
efficiently, and achieve faster BIS approval with reduced compliance challenges.
