IS 12591:2018
Steel and Iron - Cold-reduced Electrolytic Chromium/Chromium oxide – coated steel
Summry
Cold-reduced electrolytic chromium/chromium oxide-coated steel is a type of steel sheet processed by cold rolling and coated with a thin layer of chromium or chromium oxide. This coating provides enhanced corrosion resistance, improved surface finish, and paint adhesion, making it ideal for automotive, household appliances, and construction applications.
Why BIS Certificate is Mandatory for Cold-reduced Electrolytic Chromium/Chromium oxide – coated steel ?
BIS certification is mandatory to ensure that the steel meets Indian Standards for chemical composition, coating thickness, adhesion, and corrosion resistance. Certification prevents the use of substandard or unsafe steel, guarantees consistent quality, protects end-users, and ensures compliance with regulatory requirements for critical applications like appliances, automobiles, and structural products.
What is BIS Certified for Cold-reduced Electrolytic Chromium/Chromium oxide – coated steel ?
BIS certified specification defines the requirements for cold-reduced electrolytic chromium/chromium oxide-coated steel, including chemical composition, mechanical properties, coating type and thickness, surface finish, and testing methods. Compliance ensures uniform quality, corrosion resistance, and durability suitable for manufacturing applications, while adhering to Indian Standard IS codes for coated steels.
Test required for Cold-reduced Electrolytic Chromium/Chromium oxide – coated steel
| Title | Mandatory/Optional |
|---|---|
| Requirements | Required |
Chemical Composition
| Title | Mandatory/Optional |
|---|---|
| Cast Analysis | Required |
| Product Analysis | Required |
| Finish | Optional |
| Oiling | Optional |
| Imperfection | Required |
| Chromium/ Chromium in oxide coating mass | Required |
Mechanical Properties
| Title | Mandatory/Optional |
|---|---|
| Hardness Requirement | Required |
| Tensil property requirement | Required |
| Tolerances on Dimensions and shape | Required |
| Joint within a coil | Required |
Benefits of BIS Certification for Cold-reduced Electrolytic Chromium/Chromium oxide – coated steel
1. Guaranteed Quality BIS certification ensures the steel meets stringent standards for chemical composition, coating adhesion, and corrosion resistance.
2. Enhanced Product Durability Certified steel provides long-lasting performance in automotive, appliance, and construction applications due to its corrosion-resistant coating.
3. Safety and Reliability BIS standards ensure uniform mechanical properties and surface finish, reducing risks of failure or defects in finished products.
4. Regulatory Compliance BIS marking is legally required in India, allowing manufacturers and importers to sell coated steel without legal penalties or rejection in tenders.
5. Market Trust and Competitiveness Products using BIS-certified steel gain higher consumer and industry confidence, improving brand credibility and market acceptance domestically and internationally.