Stainless Steel420 (SLM)

Stainless Steel 420 represents a notable advancement in the domain of materials science and 3D printing. This specific alloy is widely acknowledged for its remarkable endurance, resistance to corrosion, and adaptability, rendering it a favored selection for diverse industrial implementations. When employed within the context of SLM, Stainless Steel 420 showcases distinctive attributes that render it exceptionally enticing in the domain of 3D printing.

SS 420 possesses remarkable strength, hardness, and wear resistance, making it a renowned martensitic stainless steel alloy. Its composition, denoted by the "420" designation, encompasses a minimum of 12% chromium, endowing it with exceptional resistance against corrosion and oxidation. Additionally, the inclusion of carbon amplifies its mechanical attributes. This alloy's remarkable reputation stems from its capacity to uphold its structural integrity in severe surroundings, rendering it apt for applications where strength and resistance to wear are of utmost importance.

Stainless Steel 420



Chemical Composition: 12-14% chromium and 0.15-0.40% carbon

Maximum Brinell Hardness: 223 - 277

Typical Tensile Strength: 550-700 MPa

Minimum Yield Strength: 420 MPa

Typical Elongation: 12-20%



  • Exceptional tensile strength and rigidity
  • Resistance to corrosion and oxidation
  • Ease of machining
  • Magnetic characteristics
  • Endurance under extreme temperatures
  • Fusion capabilities for welding applications




  • Aerospace components
  • Medical implants
  • Automotive parts
  • Cutting tools
  • Oil and gas equipment
  • Electronic components
  • Food processing equipment
  • High-temperature environments
  • Welding applications