440C rolled Stainless Steel Chemical Composition | ||||||
C | Si | Mn | S | P | Cr | Ni |
0.95~1.20 | ≤1.00 | ≤1.00 | ≤0.030 | ≤0.035 | 16.00~18.00 | ≤0.60 |
440C Stainless Steel Plate Mechanical Performance:
Hardness: anneal≤269HB
Quenching tempering≥58HRC
Mechanical Performance:
Internal stress(250N/mm2)
Strength of extension(560N/mm2)
EL(18%) HB(250)
Technology for heating processing:
Anneal: 800~920℃ slow cooling
Quench: 1010~1070℃ oil cooling
Temper: 100~180℃ fast cooling
440C Stainless Steel Plate Delivery Condition
The type of heat treatment is indicated in the contract. Unmarked, delivery in non-heat treatment state.
440C Stainless Steel Plate Application：
It is mainly used to manufacture bearing parts which work in corrosive environment and without lubricating strong oxidizing atmosphere.440C has a good temperature and temperature, so it can be used as a corrosion-resistant high-temperature bearing steel. In addition, it can also be used to make high-quality cutting tools, such as surgical knives, scissors, nozzles, bearings, etc.440 f, is to improve the performance of 440 c steel free cutting steel, used for automatic lathe, as well as ordinary alloy steel by quenching hardening characteristics, thus can be obtained by selecting the brand and heat treatment conditions to wide range of different mechanical properties.440C is less able to withstand dynamic load.
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