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IS 3431 : 1982

IS 3431 : 1982 — Specification for steel for the manufacture of volute helical and laminated springs for automotive suspension (Second Revision)

IS 3431 : 1982 is an Indian Standard titled Specification for steel for the manufacture of volute helical and laminated springs for automotive suspension (Second Revision), classified under Metals, Alloys and Metal Products (including Steel Products) and administered by the Ministry of Commerce and Industry - Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Steel. Certification under this standard is mandatory for manufacturers and importers.

IS Number
IS 3431 : 1982
Year
1982
Status
0
Certification
Mandatory (ISI Mark / QCO)
Ministry
Ministry of Commerce and Industry - Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Steel
Committee
Alloy Steels and Forging Sectional Committee
Type
Product Specification

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What is IS 3431 : 1982?

IS 3431 : 1982 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Specification for steel for the manufacture of volute helical and laminated springs for automotive suspension (Second Revision). It falls under the <strong>Metals, Alloys and Metal Products (including Steel Products)</strong> group and is administered by the Ministry of Commerce and Industry - Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Steel. This standard has mandatory certification requirements — products must bear the ISI Mark before they can be sold in India.

Who needs IS 3431 : 1982 certification?

  • Domestic manufacturers producing goods covered by this standard
  • Importers bringing such products into India for sale
  • Any party affixing the ISI Mark or selling certified products in the Indian market

How to get certified for IS 3431 : 1982

  1. 1
    Apply online — Submit the BIS portal application with product details, factory information, and test reports.
  2. 2
    Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
  3. 3
    Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
  4. 4
    Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.

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Amendments to IS 3431 : 1982

AmendmentYear
First Amendment1988
Second Amendment1989
Third Amendment2019
View official document on bis.gov.in →

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