Wear-resistant cast iron coating and production method
A wear-resistant cast iron and coating technology, applied in the direction of coating, metal material coating process, hot dip plating process, etc., can solve problems such as cracks and surface roughness, and meet the requirements of simple process, short coating time, and equipment. low effect
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Embodiment 1
[0013] Will 45 # The steel is processed into a sample with a size of φ30×200mm, and the surface is treated in two ways: ①The surface is treated by 100 # Sanding → alkali washing (boiling with 10% NaOH for 10 minutes) → water washing → pickling (washing with 36% HCl for 5 minutes) → water washing → drying at room temperature. ②The surface is sandblasted for 5 minutes.
[0014] The wear-resistant cast iron is heated and melted in a medium-frequency induction furnace with a power of 100KW, and the power used in the melting process is 80KW. After the melting is completed, it is kept at a temperature of 1150 ° C, and nitrogen or argon is passed into it for protection. A small amount of Al is added to the melt for deoxidation, and then the scum on the surface of the melt is removed.
[0015] The surface treated 45 # The steel is immersed in the molten cast iron for hot-dip plating, and the immersion time is controlled between 5 and 30s.
[0016] 45 after hot dip plating # Stee...
Embodiment 2
[0018] Will 45 # The steel is processed into a sample with a size of φ30×200mm, and the surface is treated in two ways: ①The surface is treated by 100 # Sanding → alkali washing (boiling with 10% NaOH for 10 minutes) → water washing → pickling (washing with 36% HCl for 5 minutes) → water washing → drying at room temperature. ②The surface is sandblasted for 5 minutes.
[0019] The wear-resistant cast iron is heated and melted in a medium-frequency induction furnace with a power of 100KW, and the power used in the melting process is 80KW. Insulate at a temperature of 1200 ° C, during which nitrogen or argon protection is introduced. A small amount of Al is added to the melt for deoxidation, and then the scum on the surface of the melt is removed.
[0020] The surface treated 45 # The steel is immersed in the molten cast iron for hot-dip plating, and the immersion time is controlled between 5 and 30s.
[0021] 45 after hot dip plating # Steel cools naturally in still air. ...
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