The invention discloses a high-strength corrosion-resistant marine large rudder horn and a casting process thereof, and relates to the technical field of ships, the rudder horn material in the step S1 is alloy steel, the smelting temperature of the rudder horn material in the step S3 is 1310-1390 DEG C, chromium accounting for 0.2%-0.5% of the total weight of the rudder horn is added in the smelting process of the rudder horn material, and the casting process is characterized in that the rudder horn material in the step S1 is made of alloy steel, the smelting temperature of the rudder horn material in the step S3 is 1310-1390 DEG C; copper accounting for 0.1%-0.3% of the total weight of the rudder horn is added in the smelting process of the rudder horn material, phosphorus accounting for 0.1%-0.15% of the total weight of the rudder horn is added in the smelting process of the rudder horn material, nickel accounting for 0.5%-0.8% of the total weight of the rudder horn is added in the smelting process of the rudder horn material, and chromium, copper, phosphorus and nickel are added in the smelting process to improve the corrosion resistance of the rudder horn material. The smelting time of the rudder horn material is 180-240 minutes, the temperature of the smelted rudder horn material in the pouring process of the rudder horn in the step S3 is kept at 1330-1380 DEG C, and the smelted rudder horn material is guided into the rudder horn casting mold in the step S2.

    本发明公开了一种高强度抗腐蚀的船用大型挂舵臂及其铸造工艺,本发明涉及船舶技术领域,包括所述步骤S1中挂舵臂材料为合金钢,所述步骤S3中挂舵臂材料熔炼温度为1310℃~1390℃,在挂舵臂材料熔炼过程中加入挂舵臂总重量0.2%~0.5%的铬,在挂舵臂材料熔炼过程中加入挂舵臂总重量0.1%~0.3%的铜,在挂舵臂材料熔炼过程中加入挂舵臂总重量0.1%~0.15%的磷,在挂舵臂材料熔炼过程中加入挂舵臂总重量0.5%~0.8%的镍,熔炼过程中通过加入铬、铜、磷、镍来提高挂舵臂材料的耐腐蚀性,挂舵臂材料熔炼时间为180~240分钟,所述步骤S3中挂舵臂浇注过程中熔炼后的挂舵臂材料温度保持在1330℃~1380℃,将熔炼后的挂舵臂材料导入S2中的挂舵臂铸造模具内。


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    Title :

    High-strength corrosion-resistant marine large rudder horn and casting process thereof


    Additional title:

    一种高强度抗腐蚀的船用大型挂舵臂及其铸造工艺


    Contributors:

    Publication date :

    2024-06-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B22D CASTING OF METALS , Gießen von Metallen / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B22C FOUNDRY MOULDING , Gießformen / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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