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Corrosion-resistant stainless steel kettle material used for zinc-aluminum alloy hot dipping and process thereof

A stainless steel pot, zinc-aluminum alloy technology, applied in the field of alloys, can solve the problems of low product output, environmental pollution, high energy consumption, etc., achieve the effects of reducing corrosion and dissolution, reducing reaction diffusion, and improving service life

Inactive Publication Date: 2018-10-26
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing hot-dip galvanized aluminum production lines have disadvantages such as backward technology, low product output, poor product quality, high production cost, high energy consumption, weak environmental protection measures, and often cause serious environmental pollution. Such production lines cannot meet the needs of my country's national economic take-off need

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A corrosion-resistant stainless steel pot material used for zinc-aluminum alloy hot-dip plating at 420-480 degrees. In terms of weight percentage, the composition of the alloy is Li: 1.0wt.%, Mo: 0.2wt.%, Ca: 0.1wt.%, Cr: 8.0wt.%, Ni: 6.2wt.%, Si: 4.0wt.% , Co: 1.5wt.%, B: 0.2wt.%, the balance is iron. The weight loss of the ferroalloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned corrosion-resistant stainless steel pot material for hot-dip plating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; induction heating to 1500-1600 degrees to form an alloy solution , and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 1500-1600 degrees for 10 minutes and then cast it into the required round ingot. The obtained ingot is hot-rolled ...

Embodiment 2

[0020]A corrosion-resistant stainless steel pot material used for zinc-aluminum alloy hot-dip plating at 420-480 degrees. In terms of weight percentage, the composition of the alloy is Li: 1.2wt.%, Mo: 0.3wt.%, Ca: 0.2wt.%, Cr: 9.5wt.%, Ni: 7.5wt.%, Si: 8.0wt.%. , Co: 1.8wt.%, B: 0.5wt.%, and the balance is iron. The weight loss of the ferroalloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned corrosion-resistant stainless steel pot material for hot-dip plating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; induction heating to 1500-1600 degrees to form an alloy solution , and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 1500-1600 degrees for 10 minutes and then cast it into the required round ingot. The obtained ingot is hot-rol...

Embodiment 3

[0023] A corrosion-resistant stainless steel pot material used for zinc-aluminum alloy hot-dip plating at 420-480 degrees. In terms of weight percentage, the composition of the alloy is Li: 1.0wt.%, Mo: 0.2wt.%, Ca: 0.1wt.%, Cr: 8.5wt.%, Ni: 6.8wt.%, Si: 4.8wt.%. , Co: 1.6wt.%, B: 0.3wt.%, and the balance is iron. The weight loss of the ferroalloy due to volatilization and slag formation during the smelting process is about 1.0-2.0wt.%. The preparation method of the above-mentioned corrosion-resistant stainless steel pot material for hot-dip plating includes the following steps: adding the above-mentioned raw materials into an argon-protected induction furnace, and using a silicon carbide crucible; induction heating to 1500-1600 degrees to form an alloy solution , and use the electromagnetic stirring effect to fully stir for about 10 minutes; keep the alloy liquid at 1500-1600 degrees for 10 minutes and then cast it into the required round ingot. The obtained ingot is hot-ro...

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Abstract

The invention discloses a corrosion-resistant stainless steel kettle material used for zinc-aluminum alloy hot dipping and a processing process thereof. An alloy includes 1.0 wt.%-1.2 wt.% of Li, 0.2wt.%-0.3 wt.% of Mo, 0.1 wt.%-0.2 wt.% of Ca, 8.0 wt.%-9.5 wt.% of Cr, 6.2 wt.%-7.5 wt.% of Ni, 4.0 wt.%-8.0 wt.% of Si, 1.5 wt.%-1.8 wt.% of Co, 0.2 wt.%-0.5 wt.% of B and the balance iron. By meansof development and industrialization of the material, a solution of material science is provided for the current situation that an existing iron kettle in hot-dip galvanizing zinc-aluminum alloy production is extremely short in service life and reloading is not convenient. Implementation and industrialization of the material have important significance in solving the current industry situation ofChina and improving the international competitiveness of products of the metallurgical industry in China.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc alloy. Background technique [0002] The ocean covers about 71% of the earth's surface, and the marine industry has become an important pillar of the world's economic development. The salt concentration in seawater is high, oxygen-rich, and there are a large number of marine microorganisms and macrobiotics. Coupled with the impact of waves and sunlight, the marine corrosion environment is relatively harsh. Corrosion in the marine environment has become the most important factor affecting the safety, service life and reliability of facilities, and has attracted great attention from governments and industries around the world. [0003] After the steel is galvanized, the corrosion resistance is greatly improved, which can save materials and resources, and exert better economic and environmental benefits. During the use of steel, the coating is partially damaged, and the expo...

Claims

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Application Information

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IPC IPC(8): C22C38/52C22C38/54C22C38/44C22C38/34B23P15/00C23C2/00
CPCC22C38/52B23P15/00C22C38/002C22C38/34C22C38/44C22C38/54C23C2/003
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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