A kind of heat treatment method of 304 type antibacterial stainless steel plate and strip
A technology of antibacterial stainless steel and heat treatment method, applied in heat treatment furnaces, heat treatment equipment, furnace types, etc., can solve the problems of low damage corrosion resistance, insufficient to ensure the antibacterial function of austenitic antibacterial stainless steel, and large volume fraction of copper-rich phase. , to achieve broad market prospects and improve the effect of actual use value
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[0023] Embodiments 1 to 3 are shown in Table 1 for the heat treatment method of 304 type antibacterial stainless steel strips. Among them, the aging system can adopt a stepped heating mode, as follows:
[0024] In Examples 1 to 3, in the first stage (room temperature to less than 350° C.), heating at full speed according to the maximum power of the heating furnace, the heating rate is 150° C. / hour; in the second stage (350° C. to the prescribed aging temperature), the heating time is 8 hour; the third stage (prescribed aging temperature insulation section), holding time=106 minutes-0.13*aging temperature; the fourth stage, the belt cover nitrogen filled but cooled for 4.5 hours, to 420 ℃; the fifth stage, start split cooling (i.e. A cooling method that controls the flow and velocity of cooling water to achieve the purpose of controlling the cooling rate) to 110°C, the sixth stage, and out of the furnace.
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