Preparation method of stainless steel/carbon steel chip core composite board

A technology for stainless steel and composite panels, which is applied in the field of preparation of stainless steel composite panels, can solve problems such as inability to produce composite panels, noise and smoke pollution, and poor surface quality, and achieve excellent mechanical strength and plastic deformation ability, low cost, and high surface quality Good results

Inactive Publication Date: 2014-04-16
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Explosion compounding has the following problems: the explosion causes poor surface quality, causing noise and smoke pollution, and low production efficiency
For the rolling production of stainless steel clad plates, but due to the limited capacity of the rolling mill, it is not yet possible to produce thicker clad plates

Method used

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  • Preparation method of stainless steel/carbon steel chip core composite board
  • Preparation method of stainless steel/carbon steel chip core composite board
  • Preparation method of stainless steel/carbon steel chip core composite board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 304 stainless steel seamless pipe 1 and Q195 carbon steel chips 2 are used as raw materials, wherein the diameter of the stainless steel pipe is 200mm, and the wall thickness of the pipe is 20mm. The inner wall of the above-mentioned stainless steel pipe is brushed, high-pressure cleaned, and dried. The carbon steel is crushed and impurities are screened out, and then heated at 600°C in a reduction furnace for annealing treatment, and the surface oil is cleaned and then cooled. Put the above-mentioned stainless steel tube into the mold 5, and use a press to fill the above-mentioned processed carbon steel chips into the above-mentioned tube, so that the stainless steel tube and the carbon steel chip core are tightly fitted, and the two ends of the tube are inserted into the pressure rod 3, After compacting under a pressure of 600MPa, continue to fill and compact repeatedly until the carbon steel chips in the tube are 70mm away from the nozzle, then fill the two ends of t...

Embodiment 2

[0031] 304 stainless steel straight seam welded pipe and Q195 carbon steel chips are used as raw materials, the diameter of the stainless steel pipe is 200mm, and the wall thickness of the pipe is 20mm. The inner wall of the above-mentioned stainless steel pipe is brushed, high-pressure cleaned, and dried. The carbon steel is crushed and impurities are screened out, and then heated in a reduction furnace at 700°C for annealing treatment, and the surface oil is cleaned and then cooled. Put the above-mentioned stainless steel tube into the mold, and use a press to fill the above-mentioned processed carbon steel chips into the above-mentioned tube, so that the stainless steel tube and the carbon steel chip core are tightly fitted, and the two ends of the tube are inserted into the pressure rod, and the pressure is passed through 600MPa. Then continue to fill and compact repeatedly until the carbon steel chips in the tube are 80mm away from the nozzle, then fill the two ends of th...

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Abstract

The invention relates to a preparation method of a stainless steel / carbon steel chip core composite board, which comprises the following steps that: (1). stainless steel pipes and chips produced by carbon steel machining are used as raw materials; (2) the carbon steel chips are pressed into the stainless steel pipes to be made into bimetal composite billets; (3) the press-mounted stainless steel / carbon steel chip core composite billets are placed into a heating furnace to be heated at a heating temperature of 1100 to 1200 DEG C for insulation of 30 to 60 minutes; (4) the heated composite billets are rolled on a rolling mill; and (5) after being rolled to the required size, the composite billets are cut with a constant length. The method provided by the invention is simple, is low in cost, and is suitable for industrial mass production, the metallurgical bonding is formed between carbon steel chips and between stainless steel and carbon steel chips in the prepared stainless steel / carbon steel chip core composite board, the structure of the carbon steel chip core is continuous and dense, the surface quality of the composite board is good, and the wall thickness of the stainless steel is uniformly distributed. Compared with the stainless steel composite board produced by other methods, the stainless steel / carbon steel chip core composite board has more excellent performance-price ratio.

Description

technical field [0001] The invention relates to a preparation method of a stainless steel composite plate. Background technique [0002] At present, because stainless steel panels are not easy to wear, corrosion-resistant, and have good texture, they have been widely used in roofs, curtain walls, side walls of buildings in severely corrosive industrial or marine atmospheric environments, as well as doors and windows, cabinet countertops, and furnaces in civil buildings. tool panel. However, the high price of stainless steel limits their application. As a resource-saving product, stainless steel clad plate reduces the consumption of precious metals, realizes the perfect combination of low cost and high performance, and has good social benefits. Generally, stainless steel is used as cladding, and carbon steel is used as base material. It is divided into single-sided or double-sided cladding. The middle layer of double-sided clad panels is mainly made of low-carbon steel. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C37/02
Inventor 肖宏高亚男谢红飚徐玉辰许秀梅王健
Owner YANSHAN UNIV
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