Stainless steel composite plate strip online annealing method
A composite strip and stainless steel technology, applied in the direction of furnace type, furnace, heat treatment furnace, etc., can solve the problems such as the shortcomings of stainless steel plate and carbon steel plate annealing that have not been considered
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Embodiment 1
[0028] An on-line annealing method for a stainless steel clad strip, comprising the following steps:
[0029] S1: Cut out plates with a width of 1200 mm and a thickness of 0.3 mm from stainless steel plates and carbon steel plates, and cut out the plates in advance to avoid heating the entire plate, which can facilitate subsequent processing procedures;
[0030] S2: Put the stainless steel plate in S1 into the annealing furnace and heat it to 850°C at a heating rate of 150°C / h, keep it warm for 4h, and then lower it to room temperature in the furnace at a rate of 60°C / h. Incomplete annealing can improve the processing performance of stainless steel and remove internal stress in stainless steel;
[0031] S3: Put the carbon steel block in S1 into the annealing furnace and heat it to 650 °C at a heating rate of 180 °C / h, keep it for 3 hours, and then lower it to room temperature in the furnace, and perform preliminary incomplete annealing on the carbon steel plate to improve Pro...
Embodiment 2
[0046] An on-line annealing method for a stainless steel clad strip, comprising the following steps:
[0047] S1: Cut out plates with a width of 1400mm and a thickness of 1.2mm from stainless steel plates and carbon steel plates;
[0048] S2: Put the stainless steel plate in S1 into the annealing furnace and heat it to 875°C at a heating rate of 165°C / h, keep it warm for 4-5h, and then lower it to room temperature at a rate of 75°C / h in the furnace. Preliminary incomplete annealing can improve the processing performance of stainless steel and remove internal stress in stainless steel;
[0049] S3: Put the carbon steel plate in S1 into the annealing furnace and heat it to 675°C at a heating rate of 200°C / h, keep it warm for 3.5h, then lower it to room temperature in the furnace, and perform preliminary incomplete annealing on the stainless steel plate, It can improve the processing performance of stainless steel and remove the internal stress in stainless steel;
[0050] S4: ...
Embodiment 3
[0064] An on-line annealing method for a stainless steel clad strip, comprising the following steps:
[0065]S1: Cut out plates with a width of 1600mm and a thickness of 2.0mm from stainless steel plates and carbon steel plates;
[0066] S2: Put the stainless steel plate in S1 into the annealing furnace and heat it to 900 °C at a heating rate of 180 °C / h, keep it for 5 hours, and then lower it to room temperature at a rate of 90 °C / h in the furnace. Incomplete annealing can improve the processing performance of stainless steel and remove internal stress in stainless steel;
[0067] S3: Put the carbon steel plate in S1 into the annealing furnace and heat it to 700°C at a heating rate of 220°C / h, keep it warm for 4h, and then lower it to room temperature in the furnace, and perform preliminary incomplete annealing on the stainless steel plate, which can Improve the processing performance of stainless steel and remove the internal stress in stainless steel;
[0068] S4: adopt u...
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