Martensitic Steel Selection
Veterinary instruments require specific carbon-to-chromium ratios to balance tensile strength with corrosion resistance. SIAL Surgical utilizes premium martensitic alloys tailored to instrument functionality:
- AISI 410 (HRC 40–45): Optimized for haemostatic forceps, clamps, and retractors requiring high spring fatigue resistance without brittle fracture.
- AISI 420 J1/J2 (HRC 48–52): Ideal for dissecting scissors, Mayo blades, and rongeurs demanding keen cutting edges and corrosion resistance.
- AISI 440A (HRC 54–58): Reserved for high-wear orthopedic chisels, osteotomes, and heavy-duty bone cutters where micro-chipping must be prevented.







