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405 Stainless Steel | Stainless Steel Supply

405 stainless steel is a type of ferritic stainless steel that contains 11.5-14.5% chromium and is often used in applications where mild corrosion resistance and good weldability are required. It also contains small amounts of nickel and molybdenum, which provide additional corrosion resistance and strength.

One of the key advantages of 405 stainless steel is its ability to be easily welded, even without preheating or post-weld heat treatment. This makes it a popular choice for fabrication and manufacturing processes that require welding, such as exhaust systems, heat exchangers, and automotive components.

405 stainless steel is also known for its good resistance to oxidation and scaling at high temperatures, making it suitable for use in high-temperature applications such as furnace parts and heat treatment equipment.

However, it is important to note that 405 stainless steel may not be suitable for applications where high levels of corrosion resistance are required, as it has lower corrosion resistance than other types of stainless steel such as 304 and 316.

Chemical composition


Note: These values are typical

Mechanical properties

Tensile strengthYield strengthElongation
483 Mpa207 Mpa25%

Note: These values are typical values for annealed 405 stainless steel

Physical properties

Density7.75 g/cm3
Melting Point1400-1450°C
Specific Heat Capacity460 J/kg°C
Thermal Conductivity22.2 W/mK
Electrical Resistivity550 nΩ.m
Modulus of Elasticity200 GPa
Coefficient of Thermal Expansion11.4 x 10^-6/°C

Note: These values are approximate

As a premium supplier of stainless steel, we offer a wide range of grades, sizes and finishes to suit your needs.
Size: according to customer requirements
Standards: GB, ASTM, EN, JIS, etc.
Austenitic type
Ferritic type
Martensitic type

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