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At Regal Instruments, we use two main types of stainless steel based on the function of the instrument:
Martensitic Stainless Steel (AISI 410 / 420)
Used for: Scissors, forceps, scalpel handles, needle holders, and other cutting or working instruments.
- Excellent corrosion resistance (suitable for repeated autoclaving)
- High strength and long-lasting edge retention
- Magnetic - compatible with sterilization trays and detection systems
- Heat-treatable for improved performance
Austenitic Stainless Steel (AISI 304 / 316)
Used for: Retractors, instrument handles, trays, and hollowware (non-cutting tools).
- Superior corrosion resistance
- Non-magnetic
- Smooth finish and easier to form or shape
- Ideal where extreme hardness isn't required
Both materials comply with BS EN ISO 7153-1:2016 and ASTM F899 standards.