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Hot-dip galvanizing alumino-nickel for steel component hot-dip galvanizing and ingot shape and method thereof

A hot-dip galvanizing, aluminum-nickel alloy technology, applied in the field of hot-dip galvanizing, zinc alloy and its ingot type, can solve the problems of not being provided and used, and achieve the effect of appropriate content, easy demoulding, and guaranteed galvanizing quality

Pending Publication Date: 2008-03-05
ZHUZHOU SMELTER GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In summary, the prior art does not provide a zinc alloy and a hot-dip galvanizing method that are simple to use and suitable for preparing a hot-dip galvanizing bath for iron and steel components with stable quality, so as to improve the brightness of the coating, improve the fluidity of the zinc bath, and slow down Or eliminate the Sandelin effect in the galvanizing process, reduce the thickness of the coating, and reduce the cost of galvanizing

Method used

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  • Hot-dip galvanizing alumino-nickel for steel component hot-dip galvanizing and ingot shape and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The hot-dip galvanized aluminum-nickel alloy used for hot-dip galvanizing of steel components has a composition of 0.008% (wt) Al; 0.02% (wt) Ni; the rest is zinc and unavoidable impurities.

[0024] A hot-dip galvanized aluminum-nickel alloy ingot is a "T"-shaped rectangular zinc ingot body 1 with two symmetrical ears 3, and the upper plane and the bottom of the zinc ingot body 1 are planes. One of the ear hooks 3 is provided with a hanging hole 2 . The four sides of the zinc ingot body 1 are inclined planes, the upper cross section of the zinc ingot body 1 is larger than the lower cross section, the ingot weight is 900kg, the length L of the ingot shape is 1160mm, the width B is 580mm, and the height H is 260mm.

[0025] Hot-dip galvanizing of steel and steel components by using the above-mentioned hot-dip galvanized aluminum-nickel alloy ingot has good fluidity of the zinc bath, no Sandelin effect, good corrosion resistance and mechanical properties of the coating, a...

Embodiment 2

[0027] The hot-dip galvanized aluminum-nickel alloy used for hot-dip galvanizing of steel components has a composition of 0.012% (wt) Al; 0.02% (wt) Ni; the rest is zinc and unavoidable impurities.

[0028] The hot-dip galvanized aluminum-nickel alloy ingot for steel components is a "T"-shaped rectangular zinc ingot body 1 with two symmetrical ears 3, and the upper plane and the bottom of the zinc ingot body 1 are planes. Both ear hooks 3 are provided with hanging holes 2 . The four sides of the zinc ingot body 1 are inclined surfaces, the upper cross section of the zinc ingot body 1 is larger than the lower cross section, the ingot weight is 1100kg, the length L of the ingot shape is 1200mm, the width B is 600mm, and the height H is 300mm.

[0029] Hot-dip galvanizing of steel and steel components by using the above-mentioned hot-dip galvanized aluminum-nickel alloy ingot has good fluidity of the zinc bath, no Sandelin effect, good corrosion resistance and mechanical properti...

Embodiment 3

[0031] The composition of hot-dip galvanized aluminum-nickel alloy for iron and steel components is 0.008% (wt) Al; 0.04% (wt) Ni; the rest is zinc and unavoidable impurities.

[0032] Ingot type is with embodiment 1.

[0033] Hot-dip galvanizing of steel and steel components by using the above-mentioned hot-dip galvanized aluminum-nickel alloy ingot has good fluidity of the zinc bath, no Sandelin effect, good corrosion resistance and mechanical properties of the coating, and no alloy element burning.

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Abstract

The present invention relates to zinc alloy for hot dip galvanizing steel member and its ingot form and hot dip galvanizing process. The zinc alloy consists of Al 0.008-0.012 wt%, Ni 0.02-0.04 wt%, and Zn and inevitable impurities for the rest. The zinc alloy is shaped in cuboid with ears and hoisting holes for easy hoisting, storing and transporting. When it is applied in hot dip galvanizing steel member, the zinc alloy is melted directly to form one zinc bath for convenient use and lowered galvanizing cost.

Description

technical field [0001] The invention relates to a zinc alloy, an ingot form thereof, and a hot-dip galvanizing method, in particular to a zinc alloy used for hot-dip galvanizing of iron and steel components, an ingot form thereof and a method thereof. Background technique [0002] At present, the hot-dip galvanizing industry at home and abroad adopts zinc alloy bath galvanizing. Zn-Al-Ni alloy is very effective in improving the brightness of the coating, and can also improve the flow performance of the zinc bath, slow down or eliminate the process of galvanizing. The Sandelin effect is an ideal zinc alloy for hot-dip galvanizing. Zinc alloy baths are usually prepared at the production site with zinc alloys and master alloys before use. Due to the generally large volume of steel components, the volume of the zinc bath equipment used for galvanizing steel components is also large, and the amount of zinc bath required is large, and the preparation of the zinc bath is relativel...

Claims

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Application Information

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IPC IPC(8): C22C18/00C23C2/06
Inventor 匡立春赵为上窦传龙彭曙光张伟
Owner ZHUZHOU SMELTER GRP
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