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Aluminum-clad strip and manufacturing method thereof

A manufacturing method and technology of aluminum-clad sheet, applied in the field of aluminum-clad sheet and strip and its manufacturing, can solve problems such as difficult production of aluminum-clad sheet, poor steel-aluminum bonding strength, extremely high P content requirements, etc., and achieve excellent comprehensive mechanical properties, good durability corrosion, the effect of good interfacial bonding characteristics

Active Publication Date: 2020-06-30
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] To sum up, it can be seen that in the current prior art, the aluminum-clad strip usually uses a binder to realize the physical compounding of steel and aluminum, and there is a problem of poor bonding strength of steel and aluminum.
Moreover, since the substrates used in the prior art have extremely high requirements for P content, the production of aluminum-clad strips in the prior art is extremely difficult

Method used

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  • Aluminum-clad strip and manufacturing method thereof
  • Aluminum-clad strip and manufacturing method thereof
  • Aluminum-clad strip and manufacturing method thereof

Examples

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Embodiment 1-15

[0055] The aluminum-clad strips of Examples 1-15 include a steel substrate and an aluminum layer coated on the surface of the steel substrate, wherein the aluminum-clad strips of Examples 1-8 use a 0.2mm aluminum strip as the aluminum layer to be laminated on the steel substrate on one side. on (see the lamination method figure 1 ), the aluminum-clad sheet strip of embodiment 9-15 adopts the aluminum strip of 0.2mm to be laminated on the steel substrate as the double-sided aluminum layer (the cladding mode sees image 3 ), the mass percent of each chemical element of the steel substrate of each embodiment is shown in Table 1.

[0056] Table 1 lists the mass percentage (wt%) of each chemical element in the steel substrate of the aluminum-clad strip in Examples 1-15.

[0057] Table 1. (wt%, the balance is Fe and other unavoidable impurity elements except S)

[0058]

[0059] The manufacturing method of the aluminum-clad strip of embodiment 1-15 adopts the following steps to...

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Abstract

The invention discloses an aluminum-clad strip comprising a steel substrate and an aluminum layer covering the surface of the steel substrate. The steel substrate comprises, by mass percentage, largerthan 0 and not larger than 0.02% of C, larger than 0 and not larger than 0.005% of Si, 0.05%-0.5% of Mn, 0.018%-0.03% of P, not larger than 0.005% of Al, 0.0040%-0.010% of N, 0.01%-0.04% of Ti, 0.02%-0.050% of O and the balance Fe and inevitable impurities. In addition, the invention further discloses a manufacturing method of the aluminum-clad strip. The manufacturing method comprises the stepsof (1) manufacturing a steel strip and an aluminum strip; (2) conducting surface treatment on the steel strip and the aluminum strip; (3) covering the surface of the steel strip with the aluminum strip and conducting indoor temperature rolling; (4) conducting annealing; and (5) conducting finishing and straightening. The aluminum-clad strip has good mechanical performance, and the bonding performance of a steel-aluminum interface is excellent.

Description

technical field [0001] The invention relates to a strip and a manufacturing method thereof, in particular to an aluminum-clad strip and a manufacturing method thereof. Background technique [0002] With the development of technology and economy, the performance requirements of metal materials are getting higher and higher, and it is often difficult for a single composition of metal materials to meet the performance requirements of multiple aspects in the actual use process at the same time. Selecting two or more metal materials and using various processes to make composite panels can meet special comprehensive performance requirements. Aluminum-clad steel is a composite strip with aluminum on the surface and steel on the core layer by rolling the aluminum film on the surface of the strip at room temperature. It has the strength of steel and the good heat dissipation and corrosion resistance of aluminum. , Lightweight and beautiful features, especially greatly reducing the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/14C22C38/06C22C38/04C22C38/02C21D1/26C21D9/54C21D8/02C22F1/04
CPCC21D1/26C21D8/0236C21D9/54C21D2211/005C22C38/001C22C38/002C22C38/02C22C38/04C22C38/06C22C38/14C22F1/04
Inventor 宋凤明王巍温东辉胡晓萍陆敏杨阿娜庞厚君王俊凯王天柱
Owner BAOSHAN IRON & STEEL CO LTD
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