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Austenitic stainless steel composition and use thereof for the production of structural parts for land transport means and containers

A technology of austenitic stainless steel and land transportation, which is applied in the direction of manufacturing tools, furnaces, heat treatment equipment, etc., and can solve the problems of not having corrosion resistance characteristics, not meeting impact resistance, etc.

Inactive Publication Date: 2007-11-07
UGINE & ALZ FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing steel grades on the market cannot meet the requirements of high impact resistance and good corrosion resistance at the same time
Therefore, grades such as 301, 301LN, 304 or 305 do not have good corrosion resistance properties, while 316 duplex grades do not meet satisfactory impact resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] Mechanical properties

[0048] Steels whose compositions are summarized in Table 1 were produced, which were then continuously cast into slabs and hot rolled until a thickness of 8 mm was achieved. The hot rolled strip was then continuously annealed at a temperature of 1150°C and then cold rolled until a final thickness of 4.2 mm was achieved.

[0049] These cold rolled strips were then continuously annealed at a temperature of 1040°C.

[0050] The mechanical properties of each cold rolled tape were measured and compiled in Table 2.

[0051] The following abbreviations are used:

[0052] -A: represents the elongation of steel, expressed in %,

[0053] -Rm: represents the tensile strength of steel, expressed in MPa,

[0054] -Δ: represents the delta ferrite content, expressed in %, measured by RX diffraction after electropolishing,

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PUM

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Abstract

A patient support with a removable foot section is provided.

Description

technical field [0001] The present invention relates to an improved steel composition, which can be used in particular for the production of structural parts for land transport vehicles, and for the production of containers of all industrial types, such as for example the chemical industry or the agro-food processing industry. [0002] More generally, this new composition can be advantageously used in all applications requiring a great potential for absorbing energy, especially in unexpected situations, and good resistance to pitting and general corrosion. Background technique [0003] The issue of weight reduction is a constant concern for manufacturers of transport vehicles in general, and transport tank manufacturers and users in particular. For example, because trucks are constrained by weight, these truck manufacturers are always looking for technical solutions that can reduce the weight of their structures, while increasing the volume of products to be transported and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/44C22C38/40
CPCC21D9/46C22C38/42C22C38/002C22C38/02C22C38/04C22C38/44C22C38/001C21D6/004
Inventor F·黑格里N·阿克杜特P·采南R·蒂斯
Owner UGINE & ALZ FRANCE
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