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Welding anti-spattering agent for galvanized steel plate and galvanized oil-coated steel plate

An anti-spatter agent, galvanized steel technology, applied in welding media, welding equipment, welding/welding/cutting items, etc.

Active Publication Date: 2014-09-24
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But above-mentioned document all does not relate to promptly can form anti-rust oil layer on the galvanized steel plate, can prevent the welding anti-spatter agent of welding spatter again

Method used

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  • Welding anti-spattering agent for galvanized steel plate and galvanized oil-coated steel plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0036] The ingredients were mixed according to the ingredients and contents in Table 1. When mixing, the vaseline was first melted and then mixed with other ingredients, and then stirred for 5 minutes to obtain the welding anti-spatter agent.

[0037] It will be injected into the oil tank of the electrostatic oiling unit. When the lead of the galvanized steel coil enters the electrostatic oiling unit, the electrostatic oiling unit will be started to apply oil normally. 2 ~4g / m 2 (wherein, embodiment 1 is 1g / m 2 , Example 2 is 2g / m 2 , Example 3 is 3g / m 2 , embodiment 4 is 4g / m 2 , Example 5 is 2g / m 2, Example 6 is 2g / m 2 ), the galvanized steel coil passes through the electrostatic coating room at a set speed to form a mixed oil film evenly coated with anti-rust oil and Vaseline. Coil normally after passing through the electrostatic oiling unit to obtain galvanized oiled steel sheets A1-A6 resistant to welding spatter.

Embodiment 7

[0047] The corrosion resistance test of the galvanized and oiled steel sheets A1-A6 and B1-B2 obtained above was carried out according to the neutral salt spray test in GB / T10125-1997 "Corrosion Tests in Artificial Atmosphere-Salt Spray Test".

[0048] The specific method is as follows: after cutting the galvanized oil-coated steel sheets A1-A6 and B1-B2 into sizes of 150mm×75mm×1.0mm, seal the edges with transparent tape to obtain the pattern. The sample is placed in the salt spray test chamber, and the test surface is at an angle of 15° to 30° to the vertical direction. The test temperature is 35±2°C, the test medium is NaCl aqueous solution with a concentration of 50g / L, the pH value is 6.5, and the amount of salt spray settlement: 1~2ml / h.80cm 2 . Open the test chamber every 2 hours to take out the samples for observation, and compare the changes in the corrosion of the samples. By comparison, it can be seen that the corrosion of the galvanized and oiled steel sheets A1 ...

Embodiment 8

[0050] Welding spatter resistance tests were carried out on the galvanized and oiled steel sheets A1-A6 and B1-B2 obtained above.

[0051] The anti-welding spatter test adopts CO with severe welding spatter 2 Shielded welding is tested (carbon dioxide gas shielded welding is the welding method with the most serious spatter, and the amount of molten metal particles spatter is large, and the spatter adheres to the surface of the weldment, and even metallurgically combines with the surface of the weldment). Specific test process: the galvanized oiled steel plate is placed in CO 2 On the edge of the weld bead of the shielded welding test plate (horizontal distance is about 10mm), during the welding process, it can be observed that the molten metal particles splash on the galvanized and oiled steel sheets A1-A6 and roll without sticking, while the molten metal particles splash on the plated steel sheets. The zinc-oiled steel sheets B1-B2 stop sticking together immediately after th...

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Abstract

The invention provides a welding anti-spattering agent for a galvanized steel plate and a galvanized oil-coated steel plate formed by coating of the welding anti-spattering agent on the galvanized steel plate. The welding anti-spattering agent contains 100 parts of machine oil, 0.2-5 parts of an anti-wear agent, 0.2-2 parts of an antioxidant, 0.5-2 parts of an antirust agent and 3-15 parts of Vaseline in parts by weight. The welding anti-spattering agent can form an antirust oil layer on the galvanized steel plate, so that the galvanized oil-coated steel plate has an anti-corrosion effect and an anti-welding-spattering effect.

Description

technical field [0001] The invention relates to a welding anti-spatter agent for galvanized steel sheets and a zinc-oiled steel sheet formed by coating the welding anti-spatter agent on the galvanized steel sheets. Background technique [0002] Galvanized steel sheets are mass-produced and sold in common iron and steel metallurgical production enterprises, and are mainly used in the production of home appliances. In order to achieve the purpose of improving corrosion resistance, the galvanized surface is passivated or coated with organic film, or the production process of electrostatically coating anti-rust oil after galvanizing is adopted. Galvanized oil-coated steel sheets are mainly used in home appliance companies to produce microwave oven cavity by forming and welding. During the resistance bump welding process, welding sparks and spatter particles often stick to the surface of galvanized oil-coated steel sheets. It is difficult to clean by hand on the production line,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/36B32B33/00
CPCB23K35/362B23K2101/18B23K2103/04
Inventor 李大东胡树起娄燕罗立周渝余腾义王云祥许哲峰彭俊刘辉钟鸣
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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