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Indian Standard · ISI Mark

IS 6913 BIS Certification for Stainless Steel Tubes for the Food and Beverage Industry

Stainless Steel Tubes for the Food and Beverage Industry made, imported or sold in India must be certified against IS 6913 under an ISI mark licence (Scheme-I). What the standard covers, how testing works and how to get the licence.

About IS 6913

StandardIS 6913 : 1973
TitleStainless steel tubes for the food and beverage industry
Product coveredStainless Steel Tubes for the Food and Beverage Industry
CategoryMiscellaneous Steel Products
SchemeISI mark licence (Scheme-I)
Notified underMiscellaneous Steel Products (Quality Control) Order, 2023, S.O. 4240(E), dated 25th September 2023 · Order PDF

Editions and amendments of IS 6913

EditionPublishedStatus
IS 6913:2023
Stainless steel tubes for the food, beverage, dairy and pharmaceutical industry Specification
26 Sept 2023Current, next review 30 Sept 2028
IS 6913:1973
Specification for stainless steel tubes for the food and beverage industry
30 Jun 1973Withdrawn 9 Dec 2025

No amendments to the current edition are listed by BIS.

Marking fee for IS 6913

BIS charges an annual minimum marking fee for the ISI mark under IS 6913, set by unit size, plus a per-unit rate once production passes the minimum:

Unit sizeMinimum marking fee (per year)
Large₹1,43,000
Medium₹1,15,000
Small₹71,500
Micro₹28,600

Unit rate: ₹15 per mt. Source: BIS marking fee schedule for Scheme-I products, September 2026.

ISI licences under IS 6913

BIS records 1 operative licences (1 including deferred, cancelled or under stop marking). Most licensed factories are in Gujarat (1).

Testing against IS 6913

BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.

The test report has to cover every clause of IS 6913 that applies to the product, in the edition current on the date of testing. When BIS revises IS 6913 or replaces it with a new edition, existing licence holders move to the new edition by the date BIS sets in its notification.

How to get an ISI mark licence under IS 6913

The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.

  1. Confirm the exact Indian Standard and the varieties to cover
  2. Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
  3. Apply on Manak Online with factory, quality-control and test documents
  4. BIS factory inspection and sample verification
  5. Grant of licence, then marking with the ISI mark and CM/L number

Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.

Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).

Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.

Frequently asked questions

What does IS 6913 cover?

IS 6913 : 1973: Stainless steel tubes for the food and beverage industry. BIS has made certification against it compulsory for stainless steel tubes for the food and beverage industry.

Is BIS certification under IS 6913 mandatory?

Yes, for stainless steel tubes for the food and beverage industry, under the Miscellaneous Steel Products (Quality Control) Order, 2023, S.O. 4240(E). The product needs a valid BIS licence (ISI mark) and must carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.

Where is a product tested for IS 6913?

BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.

How long does IS 6913 BIS certification take?

BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.

Other standards in Miscellaneous Steel Products

  • IS 6392 Steel Pipe Flanges
  • IS 15155 Bar or Wire Wrapped Steel Cylinder Pipes with Mortar Lining and Coating Including Specials
  • IS 16651 High Strength Deformed Stainless Steel Bars and Wires for Concrete Reinforcement

Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.

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