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- ISI-Mandatory Mark Compliance: The latest regulations make it mandatory to have BIS certification under IS 17404: 2020 for manufacturing and selling electro-galvanized steel sheets & strips in India.
- Guaranteed corrosion protection implies consistency and homogeneity in the quality and thickness of galvanization with zinc, which protects the steel against corrosion or rust.
- Assured mechanical strength-products with certification by BIS guarantee the requisite tensile strength, formability, and endurance.
- Standardized Dimension & Surface Finish: Aids for uniformity in terms of thickness, width, & surface quality.
- Strengthened Market Trust and Legal Acceptance: Getting certified from BIS enhances the trust and acceptability of the brand in the industry.
Introduction
Electro galvanized sheets and strips find many uses in sectors that require a high surface finish, resistance to corrosion, and accurate dimensional accuracy. In contrast to hot dip galvanizing, in electro galvanizing, a uniform coating of zinc is achieved through an electrochemical process, which makes this type of steel suitable for use in vehicles, houseware items, panels, cabinets, furniture, and electrical goods, among others.
If these products are exposed to harsh conditions, IS 17404:2020 ensures the product satisfies the mechanical, dimensional, and quality of coat requirements as standard by the Bureau of Indian Standards (BIS).
What Are Electro Galvanized Steel Sheets & Strips IS 17404:2020?
IS 17404:2020 Indian Standard Electro Galvanized Cold Reduced and Hot Rolled Carbon Steel Sheets/Strips IS 17404 specifies the requirements of the following parameters:
- Chemical composition: Provides the base steel with strength and ability to be shaped.
- Mechanical properties – Tensile strength, yield strength, and elongation at break
- Weight of zinc coat: A uniform coat of protection against corrosion
- Dimensional accuracy – Thickness, width, & tolerances
- Surface finish – Smooth and clean, free from any defects
- Methods of testing and inspection – Guarantees batch-wise consistency
Electro galvanized steel sheets and strips, when prepared as per IS 17404:2020, will preserve their coating, strength, and surface finish throughout their life.
ISI Mark Certification for Electro Galvanized Steel Sheets & Strips
Electro Galvanized Steel Sheets & Strips are required to comply with IS 17404:2020 under the ISI Mark Certification Scheme for being legally manufactured and marketed in India. The following are ensured by BIS Certification:
- Consistent mechanical strength and formability
- Uniform thickness of the zinc coating
- Improved corrosion resistance
- Accurate dimensional control for industrial applications
- Quality controls in the production level
The ISI mark can be put by manufacturers only after acquiring a BIS license, which certifies that the products meet all specifications in this standard.
Why Is BIS Certification Mandatory for Electro Galvanized Steel Sheets & Strips?
When non-certified electro galvanized steel products are used, it will cause problems such as:
- Premature corrosion – Premature corrosion occurs if the
- Poor surface finish that may affect product appearance
- Structural weakness in manufactured parts
- Higher Maintenance and Replacement Costs
- Applications not meeting required levels of reliability
BIS certification assures:
- Compliance with IS 17404:202
- Environmental/Mechanical Stress Resistance The resistance that organisms exhibit
- Quality and performance standards Increased
- market acceptance and customer confidence.
Importance and Benefits of BIS Certification
| Importance | Benefits |
| Compliance with IS 17404:2020 | Ensures corrosion resistance and durability |
| Standardized manufacturing | Maintains uniform quality across batches |
| Mechanical reliability | Reduces risk of product failure |
| Regulatory compliance | Prevents legal issues and market rejection |
| Brand credibility | Builds trust among customers and industries |
Step-by-Step BIS Certification Process
Step 1: Documentation
Prepare the registration details, manufacturing unit, and technical specification for electro galvanized steel sheets and strips based on BIS guidelines.
Step 2: Product Testing
Samples are tested in BIS-accredited laboratories to confirm their chemical content, paint weight, mechanical strength, and quality of the surfaces.
Step 3: Application Submission
This must be submitted online with the BIS application and documents like the laboratory tests.
Step 4: Scrutiny & Factory Inspection
An on-site inspection is carried out by officials from BIS. They examine manufacturing processes, quality control measures, and testing facilities.
Step 5: Grant of Licence
After being successfully tested, the BIS awards the license to the manufacturer to mark their goods with the ISI mark.
Documents Required for BIS Certification
- Company registration certificate
- Manufacturing unit details
- Technical specifications of electro galvanized steel sheets and strips
- BIS-recognized laboratory test reports
- Brand authorization (if applicable)
Timeline, Validity & Renewal
- Certification Timeline: 20–30 working days
- Licence Validity: 1–2 years
- Renewal: Submission of updated documents and confirmation of continued compliance before licence expiry.
Conclusion
The Certification of Bureau of Indian Standards in Electro Galvanized Steel Sheets & Strips as per IS 17404:2020 is a definitive mark of quality, safety, and performance. Only the products being certified have better resistance to corrosion, mechanical, and surface qualities.
For manufacturers and users alike, Indian Standard IS 17404:2020 compliance becomes a not only legal requirement but also a strategic choice that can boost the performance and marketability of the product. BIS certification in the form of electro galvanized steel ensures excellence and efficiency in the product.
Frequently Asked for Questions
What is actually BIS certification for electro galvanized steel sheets and strips?
It’s a quality approval from BIS, which assures that the steel is meeting the standards of safety and performance required in India.
Is BIS certification truly mandatory for such products in India?
True, without the BIS certification, they cannot even be sold within the Indian market.
What’s in it for the manufacturer to pursue IS 17404:2020
For the purpose of ensuring improved corrosion resistance, quality, as well as easy market acceptance.
In what way does BIS certification aid the buyers?
The customers obtain quality steel with the right coating, strength, and durability.
What are the possible problems when non-certified electro-galvanized steel is used?
It may corrode, fail while in operation, or require repeated repair or replacement.
Does BIS certification mean anything as far as good zinc coating quality is concerned?
Yes, to have the correct coating thickness and for proper rusting performance.
How much time is usually consumed by BIS certification?
In most cases, it takes about three to four weeks if the documentation and testing go well.
Is it compulsory that factory inspection must be done for BIS certification?
Yes, BIS officials come to the factory in order to inspect the production and quality control practices.
how long can the grant of a BIS licence be utilized by a manufacturer once approved?
The license is usually valid for a period of one to two years, after which renewal is necessarily required.
Practically, does BIS certification really help in the growth of business?
Yes, it helps in building trust among clients, builds the brand image, and opens ways to bigger projects.
