Process for producing brazing hot rolled metal composite plate adopting composite cog

A metal clad plate, metal plate technology, applied in metal rolling, metal rolling, metal processing equipment and other directions, can solve the problems of large equipment investment, low bonding strength, scarcity of resources, etc., and achieve huge economic and social benefits, The effect of excellent corrosion resistance and excellent reprocessing performance

Inactive Publication Date: 2005-09-21
吉欣(英德)热轧不锈复合钢有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, it is more reasonable to use stainless steel plates for pressure vessel plates that require corrosion resistance, but the cost is high. If the same pressure vessel plate is made of a composite plate made of ordinary carbon steel plate and stainless steel plate, the thickness of the stainless steel plate Only 2-10% of the overall thickness, which not only meets the corrosion resistance and high enough strength of the container, but also greatly reduces the cost
In addition, some metal materials with excellent heat resistance, corrosion resistance and electrical and thermal conductivity, such as copper, manganese, titanium or chromium, have the problem of scarcity of resources. If double-layer or multi-layer composite boards are used, it will not only help save Resources, can also meet the special needs of many projects
[0003] At present, the production of metal composite panels is mainly made by blasting method. The disadvantages are: the joint s

Method used

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  • Process for producing brazing hot rolled metal composite plate adopting composite cog
  • Process for producing brazing hot rolled metal composite plate adopting composite cog

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Manufacture three composite blanks with a width of 1400mm×thickness 200mm×length 9000mm. The rolling mills are used to produce hot coiled plates with a thickness of 3mm, 4mm and 5mm and a width of 1500mm carbon steel and stainless steel. The thickness of the clad stainless steel is 0.5mm, 0.8mm, 0.8mm.

[0027] refer to figure 2 As shown in , first select six base Q235 carbon steel plates and six cladding 304 stainless steel plates to make three composite blanks, and the total thickness of each composite blank is 200mm. Since there are two base boards and two clad boards to form a set respectively, the thickness of each set of boards should be 200 / 2=100mm, where:

[0028] 1.3mm plate, the thickness of stainless steel is 0.5mm, the ratio is 0.5 / 3=1 / 6, the thickness of stainless steel: 100×1 / 6=16.7mm choose 17mm thick stainless steel plate, ordinary carbon steel 83mm.

[0029] 2.4mm plate, stainless steel thickness is 0.8mm, its ratio is 0.8 / 4=1 / 5, stainless steel thic...

Embodiment 2

[0034] Manufacture three composite billets with a width of 1050mm×thickness 150mm×length 2000mm. The medium plate rolling mill is used to produce carbon steel and stainless steel clad plates with a thickness of 6mm, 8mm and 20mm and a width of 2000mm respectively, and the thickness of the clad stainless steel is 1mm.

[0035] refer to figure 2 As shown in , first select six base Q235 carbon steel plates and six cladding 304 stainless steel plates to make three composite billets, each with a total thickness of 150mm. Since there are two base boards and two clad boards to form a set respectively, the thickness of each set of boards should be 150 / 2=75mm, where:

[0036] 1.6mm plate, the thickness of stainless steel is 1mm, its ratio is 1 / 6, the thickness of stainless steel: 75×1 / 6=12.5mm choose 13mm thick stainless steel plate, ordinary carbon steel 62mm.

[0037] 2.8mm plate, stainless steel thickness is 1mm, its ratio is 1 / 8, stainless steel thickness: 75×1 / 8=9.4mm choose 10m...

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Abstract

The invention discloses a method for producing braze metal sandwich by compound compact, which comprises the following steps: ensuring the size of the basal layer and the composite layer, surface processing, making embryo, vacuum-pumping, hot-rolling, finishing and separating. The method can produce metal sandwich by present medium hot-rolling mill, and the sandwich has good mechanical property, non-corrodibility and reprocessing property, the bonding strength of two metal layers is high, and the shearing intensity can reach to 210MPa-350MPa, so the method can be used widely in producing the metal sandwich and roll bending.

Description

technical field [0001] The invention relates to a manufacturing technology of a metal composite plate, in particular to a method for producing a brazing hot-rolled metal composite plate by using a composite billet. Background technique [0002] The application of metal clad steel plates and clad coils is mainly based on the purpose of economy and resource conservation, as well as special uses on various equipment. For example, it is more reasonable to use stainless steel plates for pressure vessel plates that require corrosion resistance, but the cost is high. If the same pressure vessel plate is made of a composite plate made of ordinary carbon steel plate and stainless steel plate, the thickness of the stainless steel plate It is only 2-10% of the overall thickness, which not only satisfies the anti-corrosion performance and high enough strength of the container, but also greatly reduces the cost. In addition, some metal materials with excellent heat resistance, corrosion...

Claims

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Application Information

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IPC IPC(8): B21B1/38B21B47/02B21B47/04B23K1/00
Inventor 严孟杰
Owner 吉欣(英德)热轧不锈复合钢有限公司
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