Nirosta
Definition
Nirosta is a brand name for stainless steel, developed by the company Krupp in 1912 and registered as a trademark in 1922. It refers to a group of corrosion- and acid-resistant steel grades.
Types
There are different types of stainless steel, including:
- Austenitic stainless steel (A1, A2, A3, A4, A5)
- Martensitic stainless steel (C1, C3, C4)
- Ferritic stainless steel (F1)
Materials
Nirosta consists mainly of iron with a minimum of 10.5% chromium. Additional alloying elements may include:
- Nickel
- Molybdenum
- Manganese
- Silicon
- Nitrogen
Applications
Nirosta is used in a wide range of areas, such as:
- Food industry
- Mechanical engineering
- Beverage production
- Pharmaceutical and cosmetics industry
- Chemical plant construction
- Architecture
- Automotive industry
- Household products
Maintenance and Care
For maintaining Nirosta or stainless steel, the following applies:
- Immediately remove lime and other residues
- Use a grease-dissolving cleaner
- Clean with a lint-free microfiber cloth
- Rinse with clear water after contact with acids or salts
- Treat with professional care products
Standards and Certifications
Stainless steels are subject to various standards and certifications:
- ISO 9001 (Quality)
- ISO 14001 (Environment)
- ISO 50001 (Energy)
- IATF 16949 (Automotive industry)
- DIN EN ISO 17025 (Laboratory accreditation)