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Aluminium alloy product manufacturers must follow Indian legal requirements when they want to sell in this market. BIS certification under IS 733 serves as an important method to reach the Indian market
This guide walks you through everything you need to know—from the technical side of IS 733 to the real-world application process. We’ll also explore the key documents, testing requirements, common pitfalls, and how to ensure your aluminium alloy bars and rods not only meet the standards but get BIS approval the first time around
IS 733 is the Indian Standard that governs wrought aluminium and aluminium alloy bars, rods, and sections. This standard is set by the Bureau of Indian Standards (BIS). It outlines the exact physical, mechanical, and chemical characteristics required for these products.
It ensures product consistency and safety—especially in sectors where aluminium is a critical component, like aerospace, transport, construction, and electronics.
Unlike general aluminium grades or standardizations used globally, IS 733 is unique to India’s regulatory ecosystem. That means if you want to market or distribute aluminium products in India, certification under IS 733 is your gateway.
The Government of India has made BIS certification mandatory for aluminium products through Quality Control Orders (QCOs). These QCOs are issued under the Bureau of Indian Standards Act, making it legally binding.
Failing to get certified isn’t just risky—it can halt operations, block shipments, or even attract legal penalties.
On the flip side, a BIS license gives you access to an enormous and quality-sensitive market. Whether you're supplying government contracts or working with major infrastructure companies, being certified boosts your credibility and your business prospects.
This certification applies to both domestic and foreign manufacturers of:
If your products fall under this classification and you intend to sell or distribute them in India, certification under IS 733 is mandatory.
It’s important not to confuse IS 733 with other aluminium-related standards like:
IS 733 has its own separate testing protocols and specifications.
To get started, you’ll need to gather the following documents for submission during the application process:
| Document Type | Purpose |
|---|---|
|
Factory License |
Legal proof of your facility’s operation |
| Process Flowchart | End-to-end description of the manufacturing line |
| List of Machinery & Equipment | In-house production and testing machinery details |
| Raw Material Details | Source info and input quality standards |
| In-House Lab Test Reports | Self-tested product samples matching IS 733 standards |
| Quality Control Manual | SOPs for quality assurance and process control |
Make sure every document is up-to-date, signed, and properly formatted. Missing even a single document can stall your application.
Now let’s look at the full process you’ll need to follow:
Start by registering your company on the BIS portal. After registering, choose the ISI Scheme and submit Form VI.
Upload all documents listed above and pay the application fee.
A BIS team will visit your manufacturing unit and they will conduct a thorough inspection. They’ll check for process controls, quality management, and testing capabilities.
During the audit, BIS officials will pick random product samples. These will be tested in BIS-approved labs.
Once your product passes all tests. You’ll get the BIS license to use the ISI mark.
| Step | Estimated Time |
|---|---|
| Application Filing | 1-2 Days |
| Document Review | 5-7 Working Days |
| Factory Audit & Sampling | 7-10 Working Days |
| Lab Testing | 15-20 Working Days |
| Certificate Issuance | ~ 45 Days (Total Process) |
Here’s a rough breakdown of costs involved:
The license is valid for one year initially, and can be renewed for up to five years depending on the compliance status of the license
Applying for IS 733 certification appears tough at first but it works like a clear path when you prepare well in advance.
The quality certification process includes preparing documentation plus building your factory before doing testing to ensure your business meets national quality standards.
Strategic planning starts with gathering documents then adds in-house tests and an audit before submission boosts your chances of receiving approval without problems
The BIS certificate becomes more than a necessity in a market. If you want to sell high quality products that follow regulations then you must get this certificate.
Nishi Chawla
07 Nov, 2025
Nishi Chawla
06 Nov, 2025
Nishi Chawla
06 Nov, 2025
Nishi Chawla
05 Nov, 2025
Nishi Chawla
05 Nov, 2025
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