BIS Certification For Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets/Plates/Strips IS 18513:2023

In today's competitive landscape, maintaining market presence without a certified, high-quality product can be challenging. Obtaining a BIS license may also be essential for selling products in the Indian market. To achieve BIS certification and ensure product quality, manufacturers must adhere to the specified Indian standards.

Let's delve deeper into IS 18513:2023 For Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets/Plates/Strips. This standard covers steel sheets, plates, and strips that are metallic-coated by the continuous hot-dip process with a zinc-aluminium-magnesium alloy coating.

These coated steel products are valued for their strength, long service life, and versatility across industries such as construction, automotive, and infrastructure. IS 18513:2023 sets out detailed manufacturing and testing guidelines covering coating weight, thickness, adhesion strength, and corrosion resistance. The standard also addresses surface appearance and finish, requiring that the coating be free from defects that could affect its performance or appearance. Because this coating is engineered specifically for demanding corrosion environments, consistent compliance with the standard has a direct bearing on how long the finished product performs in the field.

KEY HIGHLIGHTS

Product Name	Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets/Plates/Strips
Applicable Indian Standard	IS 18513:2023
Applicable Certification Scheme	Product Certification Scheme (ISI Mark Scheme) Scheme 1 - Schedule 2
Compliance Requirement	Mandatory
QCO Link	Quality Control Order

Also Check: BIS QCO for the Structural Weather Resistant Steel

Tests

Mandatory Tests:

Coating Composition Analysis
Coating Mass/Thickness Measurement
Adhesion Strength Test
Corrosion Resistance Test (Salt Spray)
Tensile Strength Analysis
Surface Appearance and Finish Inspection

Optional Tests:

Formability Test
Paintability Assessment
Bend Test

Benefits of Obtaining ISI Mark for Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets/Plates/Strips

Here are the key benefits of getting ISI Mark certification:

Government Quality Assurance: The ISI mark confirms the coated steel meets the quality benchmarks set by BIS for high-corrosion-resistance applications.
Mandatory Compliance: Hot-dip zinc-aluminium-magnesium alloy coated steel sheets, plates, and strips must obtain the ISI Mark; non-compliant material can be seized along with substantial fines.
Enhanced Market Competitiveness: Certified products are trusted for their reliability, longevity, and superior corrosion resistance, supporting acceptance in both domestic and international markets.
Consumer Trust: Buyers across construction, automotive, and infrastructure projects are more confident sourcing material that carries a verified compliance mark.
Cross-Industry Versatility: The coating's balance of strength and resistance to environmental degradation makes it suitable for construction, automotive, and various industrial applications.

PROCESS FOR BIS ISI MARK CERTIFICATION

BIS Certification Timeline for Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets/Plates/Strips

The estimated duration for securing BIS certification for Hot-Dip Zinc-Aluminium-Magnesium Alloy Coated Steel Sheets, Plates, and Strips under IS 18513:2023 varies based on the manufacturer’s location and certification route. The typical timelines are outlined below:

Indian Manufacturers	BIS certification is generally completed within approximately 30 days, subject to successful product testing and documentation verification.
Foreign Manufacturers (FMCS Route)	Under the BIS Foreign Manufacturer Certification Scheme (FMCS), the process usually takes up to 180 days, considering factory inspection, sample testing, and regulatory approvals.

BIS CERTIFICATION PROCESS

Acquiring a BIS license for this product involves a detailed review of the manufacturer's coating line, in-house quality control capability, testing infrastructure, and documentation. This evaluation ensures the coated sheet, plate, or strip will consistently meet IS 18513:2023 requirements before being supplied into construction, automotive, or infrastructure applications.

NOTE:

For comprehensive guidance on the BIS ISI Certification process, please explore:

WHY USE ABSOLUTE VERITAS?

Absolute Veritas is a prominent organisation from the private sector of India primarily dealing with the Inspection, Testing, Audits, Certification of products& consulting services to various industries in India and worldwide, ensuring compliance with regulatory standards and industry requirements. Offering a comprehensive range of services including product certification, testing, training, auditing, and compliance services, Absolute Veritas helps manufacturers and importers achieve higher production efficiency and quality standards.

Absolute Veritas (BIS Consultant) will handle end to end pre-registration request, sample preparation, documentation, testing and application process for ISI Mark Certification

For any questions regarding the most recent update on ISI Mark registration licenses, please reach out to us via email at cs@absoluteveritas.com

Frequently asked questions (FAQ)

What products fall under IS 18513:2023?

Hot-dip zinc-aluminium-magnesium alloy coated steel sheets, plates, and strips.

Is BIS certification mandatory for this product?

Yes — the Ministry of Steel's order makes it mandatory for these products, whether manufactured in India or imported, to carry the BIS Standard Mark under a valid license.

What does this coating offer over standard galvanizing?

It's designed for applications requiring high corrosion resistance, formability, and paintability, making it suitable for demanding environments across construction and automotive use.

What does each consignment need to carry?

Every steel sheet/strip must conform to IS 18513:2023, and each consignment must be accompanied by a Test Certificate bearing the Standard Mark issued by a BIS-certified manufacturer.

How long does certification typically take?

Approximately 30 days for Indian manufacturers, and up to 180 days for foreign manufacturers.

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