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A kind of preparation method of stainless steel clad plate

A clad plate and stainless steel technology, applied in the field of stainless steel clad plate preparation, can solve problems such as poor use effect and difficult connection, and achieve the effects of avoiding large welding workload, accelerating strain and improving outer surface quality.

Inactive Publication Date: 2017-07-07
李向民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, single-sided composite boards are mostly stacked with multiple layers in the manufacturing process, and then disassembled to make them. The inner surface is not squeezed, so the use effect is not good.
The direct manufacture of the substrate and the double board will cause the problem that it is not easy to connect

Method used

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  • A kind of preparation method of stainless steel clad plate
  • A kind of preparation method of stainless steel clad plate
  • A kind of preparation method of stainless steel clad plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Example 1, such as figure 1 and figure 2The preparation method of a kind of stainless steel clad plate shown, comprises the following steps in turn:

[0058] 1. For the preparation of base material and composite material, 201 stainless steel is selected as base material 1, and 304 stainless steel is used as composite material 2. Because the cost of 304 stainless steel is higher than that of 201 stainless steel, in order to reduce costs and ensure the performance of the finished product, base material 1 And the thickness ratio of the composite material 2 is 8.5:1.5; after selecting the base material 1 and the composite material 2, use a plasma cutting machine to cut the base material 1 and the composite material 2 so that the length and width of the two are the same; thus making The two edges are flush during the superimposition process.

[0059] 2. Prepare the groove, choose one of the upper and lower surfaces of the substrate 1 as the first surface 6, and make groov...

Embodiment 2

[0072] Example 2, in step 1, in the preparation of base material 1 and composite material 2, the thickness ratio of base material 1 and composite material 2 is 8.7:1.3; in step 2, during the preparation of groove 7, the length of the formed slope surface is 23mm, and the inclination angle is 35°; step 4, drilling the vertical hole, the depth of the vertical hole 5 is 0.55 of the thickness of the base material 1; the distance between the vertical hole 5 and the groove is 11mm; step 6, welding , the current is 300A during rooting welding; when the groove 7 is fully welded to form the weld meat 3 by automatic submerged arc welding, the current of 300A is used for a period of time, and then the current of 600A is used; step 8, leak detection, to The pressure of the inert gas connected to the steel pipe is 1Mpa; step 9, during vacuuming, the pressure in the composite billet is 4Pa during the vacuuming process, and the pressure value can be maintained for 15 minutes, and there is no ...

Embodiment 3

[0073] Example 3, in step 1, in the preparation of base material 1 and composite material 2, the thickness ratio of base material 1 and composite material 2 is 9:1; in step 2, during the preparation of the groove, the length of the formed slope is 25mm, the inclination angle is 40°; step 4, drilling the vertical hole, the depth of the vertical hole 5 is 2 / 3 of the base material thickness; the distance between the vertical hole 5 and the groove is 12mm; step 6, welding , the current is 400A for bottom welding; when automatic submerged arc welding is used to weld the groove to form weld meat 3, first use a current of 300A for a period of time, and then use a current of 700A; step 8, leak detection, to the steel pipe The pressure of the inert gas inserted in the process is 2Mpa; Step 9, during vacuuming, the pressure in the composite billet is 5Pa during the vacuuming process, and the pressure value can be maintained for 10 minutes, when there is no pressure rebound Indicates tha...

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Abstract

A method for manufacturing a stainless steel composite plate includes the following steps that firstly, 201 stainless steel is selected to serve as a base material, 304 stainless steel is selected to serve as a composite material, and then grooves are formed in the base material; secondly, the base material and the composite material overlap, the surface, where the grooves are located, of the base material is attached to the composite material, the groove positions of the base material are connected with the composite material in a welding mode, and then a hole where a steel tube can be placed is drilled in the base material; thirdly, through leakage detecting and vacuumizing, it is guaranteed that no seam is formed at the joint of the base material and the composite material, and product quality is improved; fourthly, connection firmness is guaranteed, and finally the qualified stainless steel composite plate is obtained through hot rolling and cold rolling. According to the method, the 201 stainless steel and the 304 stainless steel are combined, so that the stainless steel composite plate has the advantages of the 304 stainless steel and is used as building and decoration materials, and cost is reduced; the steps are compact, efficiency is high, and the manufactured composite plate is high in yield, good in quality and easy to use and popularize.

Description

technical field [0001] The invention belongs to the field of preparation of stainless steel composite plates, and in particular relates to a preparation method of stainless steel composite plates. Background technique [0002] As an important plate, stainless steel composite board can be used as a decorative material (various railings, light poles, flagpoles, household appliance panels, elevator car gussets, building curtain walls, etc.), which can completely replace pure stainless steel. In the prior art, single-sided composite boards are usually manufactured by stacking multiple layers and then disassembled. The inner surface is not squeezed, so the use effect is not good. The direct manufacture of the substrate and the double board will cause the problem that it is not easy to connect. Contents of the invention [0003] The invention aims to provide a method for preparing a stainless steel clad plate with high utilization efficiency and good quality of the produced cla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB21C37/02
Inventor 李向民
Owner 李向民
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