An In-Depth Look at the Composition and Mechanical Properties of 410S21 Steel Grade

[ad_1] The 410S21 steel grade is a martensitic stainless steel that is commonly used in applications where high strength, hardness, and corrosion resistance are required. This steel grade is also known as 1.4021 in the EN standard or 410 in the AISI/ASTM standard.

The chemical composition of 410S21 steel grade typically includes the following elements:
– Carbon (C): 0.16-0.25%
– Silicon (Si): Max 1.00%
– Manganese (Mn): Max 1.50%
– Phosphorus (P): Max 0.040%
– Sulfur (S): Max 0.015%
– Chromium (Cr): 11.50-13.50%

Mechanical Properties:
410S21 steel grade exhibits the following mechanical properties:
– Tensile Strength: 500-700 MPa
– Yield Strength: 380-420 MPa
– Elongation: 20-30%
– Hardness: 200-250 HB

Technical Properties:
In addition to its chemical composition and mechanical properties, 410S21 steel grade also possesses the following technical properties:
– Good corrosion resistance in mild environments
– Martensitic structure with good strength and hardness
– Can be hardened by heat treatment
– Good formability and weldability when annealed

The 410S21 steel grade is commonly used in applications such as:
– Pump and valve components
– Surgical instruments
– Shafts and fasteners
– Kitchen utensils and appliances
– Chemical processing equipment

In conclusion, the 410S21 steel grade is a versatile martensitic stainless steel that offers a combination of high strength, hardness, and corrosion resistance. Its composition, mechanical properties, and technical properties make it suitable for a wide range of applications across various industries.