BIS certification validity status for stainless steel products – Feb’25

The Bureau of Indian Standards (BIS) oversees the certification of stainless steel products from various global manufacturers, ensuring compliance with Indian quality standards. As of February 2025, multiple international companies have been granted BIS certification for their stainless steel products, including wire, bars, and semi-finished products. These certifications are issued for a specific validity period and cover various grades and sizes of stainless steel products across different categories.

Key manufacturers with valid BIS certification include companies from Japan, South Korea, the United States, Germany, Italy, Sweden, and Brazil. Some examples include:

1. Suzuki-Sumiden Stainless Steel Wire Co. Ltd. (Japan) – Their certification for steel wire products, specifically stainless steel wires for mechanical springs, is valid until February 2025, compliant with IS 4454 Part 4: 2001.
2. Koswire Ltd. (South Korea) – With certifications for steel wires used in mechanical springs, their validity extends up to March 2025 and June 2025, covering various wire grades and sizes.
3. Fort Wayne Metals Research Products LLC (USA) – Their stainless steel wire, certified under IS 6528: 1995, is valid until May 2025, with specific grades and diameters such as X07Cr18Ni9.

Some certifications, such as those for Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG (Germany) and SeAH Changwon Integrated Special Steel Corporation (South Korea), extend until 2025 and beyond. These certifications cover a wide range of stainless steel products, including martensitic and austenitic steels, in various shapes like round bars, flat bars, and wire rods.

However, there are also a few certifications labelled as “deferred,” such as for Aceria De Alava, S.A.U. (Spain) and Villares Metals S.A. (Brazil), where the validity is still pending or restricted, indicating possible delays or changes in certification status.

The validity of these certifications varies by manufacturer and product type, with the majority of certifications extending until mid-2025 or beyond. Manufacturers from Japan, South Korea, and Europe dominate the list of valid certifications, reflecting the strong global presence and commitment to quality in the stainless steel industry.

For detailed information, refer to the attached link for the latest status on product compliance and validity for each category.