Stainless Steel 420B Round Bar
Stainless Steel 420B Round Bar is a high-carbon martensitic stainless steel designed to provide high hardness, wear resistance, and moderate corrosion resistance. It is widely used in applications requiring strength and abrasion resistance after heat treatment.
Key Features
- High hardness and strength after heat treatment
- Excellent wear and abrasion resistance
- Good polish ability
- Moderate corrosion resistance
- Suitable for precision and cutting applications
Applications
- Surgical and medical instruments
- Cutting tools and blades
- Industrial tools and dies
- Pump shafts and valve components
- Engineering and mechanical components
Chemical Composition (Typical)
- Chromium (Cr): 12.00 – 14.00%
- Carbon (C): 0.26 – 0.40%
- Manganese (Mn): ≤ 1.00%
- Silicon (Si): ≤ 1.00%
Physical Properties
- Appearance: Bright metallic finish
- Melting Point: ~1400 – 1450°C
- Density: ~7.7 – 7.9 g/cm³