Is 440C a good stainless steel?

Scope of application:

Mainly used for manufacturing bearing parts that work in corrosive environments and non lubricated strong oxidizing atmospheres. 440C has good high-temperature dimensional stability, so it can also be used as a corrosion-resistant high-temperature bearing steel. In addition, it can also be used to manufacture high-quality cutting tools, such as medical surgical knives, scissors, nozzles, bearings, etc. The ability of 440C to withstand dynamic loads is relatively low.

 

Compostion

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
440c	min. max.	0.95 1.20	- 1	- 1	- 0.04	- 0.030	16.00 18.00	- 0.75	-	-

 

What does the C stand for in 440C stainless steel?

The "C" in 440C stainless steel represents carbon, which is one of the main components of 440C stainless steel. 440C stainless steel is a high carbon and high chromium martensitic stainless steel, whose chemical composition mainly includes elements such as carbon (C), chromium (Cr), molybdenum (Mo), etc

 

Is 440C stainless steel magnetic?

440C stainless steel has a certain degree of magnetism, but its magnetism has a relatively small impact on its performance. Meanwhile, 440C stainless steel has strong corrosion resistance, but corrosion issues still need to be taken into account in specific environments. By reasonable selection and protection, the advantages of 440C stainless steel can be fully utilized to contribute to the development of China's industry.

 

Can 440C rust?

In a dry and ventilated environment, 440C stainless steel has relatively good corrosion resistance. But if it is in a damp, salty environment, or frequently in contact with corrosive substances, rusting may occur. In addition, if the surface of 440C stainless steel is damaged during processing, such as scratches or contamination, it may also damage the chromium oxide protective film on its surface, increasing the risk of rust.