Alloy Geek 410 Martensitic Stainless Steel Standard
Alloy 410, also known as UNS S41000, is a widely used martensitic stainless steel. It is part of the 400 series stainless steels and is characterized by its relatively low cost, good formability, and moderate corrosion resistance. While not as corrosion-resistant as austenitic stainless steels, alloy 410 is suitable for various applications where its specific properties are advantageous.
Chemical Composition of 410 Stainless Steel:
- Carbon (C): 0.15% max
- Manganese (Mn): 1% max
- Silicon (Si): 1% max
- Phosphorus (P): 0.04% max
- Sulfur (S): 0.03% max
- Chromium (Cr): 11.5-13.5%
- Nickel (Ni): 0.75 max
- Iron (Fe): Balance
Key features and characteristics of 410 Stainless Steel:
- Moderate resistance to corrosion
- Resistant to atmospheric conditions, water, and some chemicals
- Not as corrosion-resistant as austenitic or ferritic grades
- Good formability, but less than austenitic grades
- Capable of being fully hardened through heat treatment
- Can be used in elevated temperature environments up to 1200°F (650°C)
- Possesses scaling resistance at temperatures of up to 1200°F
- Commonly used for cutlery, dental and surgical instruments
- Used in steam and gas turbine blades
- Suitable for pump shafts and parts in machinery used to process paper, textiles, chemicals, and food
- Ferromagnetic in both the annealed and hardened conditions
- Can be welded, but preheating and post-weld heat treatment are necessary to avoid cracking
- Best welded with martensitic filler, using techniques to minimize weld heat input
- Available in a wide variety of forms including sheets, coils, bars, and plates
- Can be heat treated and machined to meet specific application requirements
Due to its combination of formability, corrosion resistance in mild environments, and relatively low cost, Alloy 410 is often chosen for applications where these properties are valued. However, it's important to consider the specific requirements of your project and the expected environmental conditions to determine if Alloy 410 is the right choice for your application.
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