BIS Certification for Galvanized Steel Sheets (Plain and Corrugated)– IS 277: 2003

Galvanized Steel Strips and Sheets (Plain & Corrugated) are used in roofing, cladding, ducting, fencing and general fabrication applications. These are extremely important products for providing corrosion resistance, strength, and long-term durability in applications which are subjected to moisture and atmospheric conditions. For Galvanized Steel Strips & Sheets, it is mandatory for the companies to get BIS Certification in accordance with the relevant Quality Control Order (QCO).

BIS license under IS 277:2018 is related to chemical composition, mechanical properties, zinc coating weight, surface finish, dimension, tolerance, and workmanship of galvanized steel sheets. It is ensured through these specifications that all products manufactured by any company meet the standards with regard to their quality, reliability, and performance. For obtaining the BIS ISI Mark for Galvanized Steel Strips and Sheets, it is necessary to comply with the relevant regulations of India.

What is IS 277:2018?

IS 277:2018 specifies the requirements for galvanized steel strips and sheets (plain and corrugated) used in roofing, fabrication, and general engineering applications. The standard ensures that the steel is properly galvanized with a uniform zinc coating to provide long-lasting corrosion resistance and durability in varying environmental conditions. As per BIS, Galvanized Steel Sheets and Strips are:

Tested for coating mass and uniformity
Evaluated for tensile strength and elongation
Checked for bend and formability properties
Assessed for corrosion resistance performance
Verified for dimensional tolerance and surface finish

Importance of BIS ISI Mark for Galvanized Steel Strips and Sheets under IS 277:2018

Galvanized Steel Strips & Sheets, plain and corrugated, are used in construction and infrastructure projects, where there is a high requirement for corrosion resistance plus strength. Meeting the BIS Certification as per IS 277:2018 ensures the products follow the quality specifications that are written in the standard. Also, when buyers see that the compliance is linked with Indian Standards via the BIS ISI Mark, the Steel Strips & Sheets seem more valuable.

Compliance with the clauses of IS 277:2018, covering coating, strength and durability
Better market acceptance and credibility for galvanized steel products
More confidence in quality among buyers and contractors
Product approval that helps during tender bids for government and infrastructure work
Steady manufacturing and quality consistency for the finished product
Less chance of quality risks during actual use
Higher acceptance of BIS Certified galvanized steel products across India

Who requires BIS License for Galvanized Steel Strips and Sheets?

BIS Certification under IS 277:2018 applies to manufacturers engaged in the production and supply of galvanized steel strips and sheets used in roofing, paneling and industrial applications.

Applicable to:

Manufacturers (India) - Must comply with BIS requirements under applicable QCO
Foreign Manufacturers - Require BIS certification for exporting galvanized steel products to India
Importers/Brand Owners - Must ensure BIS compliance before marketing or distribution
Distributors/Sellers - Should sell only BIS-certified Gl sheets and strips

BIS Testing Requirements for Galvanized Steel Strips and Sheets under IS 277:2018

To ensure durability and corrosion resistance, BIS specifies testing requirements under IS 277:2018 for galvanized steel strips and sheets. These tests confirm coating quality, mechanical strength, and suitability for long-term use in varying environmental conditions. Below are the BIS Testing Approvals for Galvanized Steel Sheets and Strips:

Test Group	What is Tested	Purpose
Freedom from Defects Inspection	Surface cracks, laminations, surface irregularities, and visible defects	Ensures steel is free from surface and manufacturing defects
Chemical Composition Analysis	Carbon (C), Sulphur (S), Phosphorus (P), Manganese (Mn), Silicon (Si), Copper (Cu), micro-alloying elements	Ensures chemical compliance with IS 2062:2011 requirements
Ladle / Product Analysis	Composition of molten steel (ladle) and finished product	Ensures consistency between production and final steel quality
Tensile Test	Yield strength, ultimate tensile strength, elongation	Ensures required strength and ductility for structural use
Bend Test	Bendability without cracking or failure	Ensures material ductility and forming capability
Impact (Charpy) Test	Impact energy absorption at specified temperature	Ensures toughness under sudden loading conditions
Y-Groove Crackability Test (Optional)	Weld crack susceptibility under controlled conditions	Ensures weldability performance of structural steel
Dimensional Inspection	Thickness, width, length, straightness, and sectional dimensions	Ensures compliance with specified dimensional tolerances
Surface Quality Inspection	Surface scale, rolling marks, pits, and roughness	Ensures uniform surface quality and usability
Non-Destructive Testing (Optional)	Ultrasonic / radiographic inspection of internal defects	Ensures internal soundness of steel
Grain Size & Microstructure Test (Optional)	Ferrite-pearlite structure, grain refinement	Ensures metallurgical structure quality and performance
Inclusion Rating Test	Non-metallic inclusions in steel	Ensures internal cleanliness and improved mechanical properties

How to get BIS License for Galvanized Steel Strips and Sheets IS 277:2018?

The BIS certification process ensures that Galvanized Steel Strips and Sheets (Plain & Corrugated), as per IS 277:2018, meet the required coating quality, strength and corrosion resistance standards for reliable performance in roofing, paneling, and industrial applications. This process is set by the Bureau of Indian Standards (BIS) and includes the following steps:

Online Registration :- Manufacturers register on the BIS Manak portal by submitting company, factory, and product details. Foreign manufacturers must appoint an Authorized Indian Representative (AIR).
Testing at BIS-Approved Laboratory :- Product samples are tested in BIS-approved laboratories for zinc coating mass, tensile strength, bend properties and corrosion resistance as per IS 277:2018 requirements.
Application Submission :- The application is submitted along with test reports, technical documents, and factory details. Foreign manufacturers must also submit AIR-related documents.
Factory Inspection :- Inspection by BIS officials takes place at the factory to examine the process of manufacture and safety precautions, along with the quality system adopted at the factory.
Grant of BIS License :- Once all the compliance requirements are duly fulfilled, BIS issues the certificate under Scheme I.
Use of ISI Mark :- Upon issuance of the certificate, the company is allowed to use the ISI mark along with CM/L number.

Mandatory Documents for IS 277:2018 Approval

Document Category	Documents Required
Basic Details	GST Certificate, Email ID & Contact Number, Factory & Office Address, Rent Agreement / Lease Deed (if applicable), Partnership Deed (if applicable for partnership firms)
Manufacturing Details	List of Machinery, Process Flow Chart, Factory Layout Plan
Raw Material Details	List of Raw Materials, Supplier Details, Raw Material Invoices, Raw Material Test Certificates
Testing & Quality Control	List of Testing Equipment, Calibration Certificates, QC/Lab In-charge Appointment Letter & Qualification
Production Details	Annual Installed Capacity, Last Year Production Value
Product & Packaging Details	Quantity per Package, Nature of Packing, Product Printing / Marking Details
Management Details	Top Management Details, BIS Communication Contact Person
Brand & Certification Documents	Trademark / Brand Certificate, Consent Letter from BIS Recognized Laboratory
Additional Documents	Weekly Off Details, Hygiene Document (if applicable), Relaxation Letter (if applicable), Any Other Relevant Document
Foreign Manufacturer Requirements	Agreement with AIR (Authorized Indian Representative), Aadhaar Card of AIR, AIR Nomination Form, Required Undertakings, Scope of License

The Foreign manufacturers must designate an Authorized Indian Representative (AIR) in India. The representative is the local point of contact for the Bureau of Indian Standards (BIS) and manages all compliance and regulatory requirements in India.

BIS ISI Mark Requirements for Galvanized Steel Strips and Sheets

After the manufacturer receives the BIS license, it is required that the ISI mark for Galvanized Steel Strips & Sheets (Plain & Corrugated) IS 277:2018 be permanently marked on each coil/sheet or bundle. Some important information to be marked includes the identification of the manufacturer and the valid CM/L number. This helps ensure that the products meet the BIS standards concerning quality and durability. More information is given below:

Requirement	Details
ISI Mark	Indicates that the product is BIS certified and conforms to standards
Standard Number	IS 277:2018
CML Number	Certification Marks Licence (CML) number issued by BIS
Manufacturer Details	Name of manufacturer or registered trademark
Batch / Date	Batch number, heat number, or manufacturing date for traceability

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 and License Renewal for Galvanized Steel Strips and Sheets BIS Certification

Particulars	Details
Validity	Typically 1 to 2 years, depending on BIS approval conditions
Renewal	Must be renewed before expiry by submitting the application along with the prescribed fee and updated documents
Surveillance	Includes periodic factory inspections and market sample testing conducted by BIS
Compliance	Continuous following to standard and applicable Quality Control Orders (QCOs) is mandatory
Risk	Non-compliance or failed sample testing may lead to suspension or cancellation of the BIS license

BIS Approval Fees for Galvanized Steel Strips and Sheets Manufacturers

The cost of BIS Certification for Galvanized Steel Strips and Sheets (Plain and Corrugated) under IS 277:2018 involves fees like Application Fees, Inspection Charge, Licensing Fee, Testing Fees and Marking Fees.

Charge Type	Indian Manufacturers	Foreign Manufacturers
Application Fee	INR 1,000	USD 15
Audit Charges	INR 7,000	USD 3,200-5,900
License Fee	INR 1,000	USD 15
Marking Fee	As applicable	As applicable
Testing Charges	As applicable	As applicable
EVTL India Consultancy Fee	As per actual	As per actual

Note:

Application fee for foreign manufacturers is payable via SWIFT (SAARC countries may pay in INR with applicable GST).
Audit charges for foreign manufacturers vary based on country/location.
The marking fee is determined based on the product category and production volume (MSME benefits may apply).
Testing charges are to be paid directly to BIS-recognised laboratories.
Consultancy fees can vary depending on product type and factory location.

Conclusion

Galvanized Steel Strips & Sheets (Plain & Corrugated) find extensive use in roof covering, façade systems, duct work, fencing, and other industries where corrosion resistance is critical. As per the IS 277:2018 standards, the products must meet certain specifications relating to mass of zinc coating, chemical composition, mechanical properties, surface appearance, dimensions, and manufacturing practices.

BIS Certification & ISI Mark on the product means that it conforms to the Indian Standards which will improve the performance and reliability of the product and increase its credibility among engineers, contractors, and buyers. Technical support from EVTL India will help manufacturers get their product tested, certified and get the ISI mark hassle-free.