Martensitic Stainless Steel
Features of Martensitic Stainless Steel (Magnetic Stainless Steel) includes :
- Moderate corrosion resistance
 - Able to Heat treated
 - Magnetic
 - Not able to be cold formed
 - Poor Weldability
 
Common Martensitic Stainless Steel includes Stainless Steel 420 (SUS420) , which is used in engineering applications such as shaft & Stainless Steel 440 (SUS440C) , which is the hardest and most abrasion resistant of all the stainless steel.