440 series stainless steel sheet for sale
440 stainless steel is martensitic stainless steel, 440 has a good high temperature dimensional temperature, can be used as corrosion-resistant high-temperature bearing steel.
In addition, it can also be used to make high-quality tools, such as medical scalpels, scissors, nozzles, bearings and so on.
The most common grade in 440 series is 440C.
Chemical composition:
Material | C | Cr | Mn | Mo | P | Si | S | HRC |
AISI 440C, UNS S44004 | 0.95 - 1.20 | 16.0 - 18.0 | 1.00 max | 0.75 max | 0.040 max | 1.00 max | 0.030 max | 57-59 |
The 440C has the highest hardness of all stainless steels and heat-resistant steels. For nozzles, bearings. 440F: Steel grades that improve the easy-cutting properties of 440C steel.
For automatic lathes. Martensitic stainless steels have the same properties as ordinary alloy steels that are hardened by quenching, so a wide range of different mechanical properties can be obtained by selecting grades and heat treatment conditions.
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