Tensile sample for clad sheet steel substrate

A technology for composite steel plates and tensile samples, which is applied in the preparation, sampling, and analysis of materials for testing, can solve problems such as poor results, and achieve the goal of not affecting detection accuracy, facilitating processing size control, and ensuring processing accuracy Effect

Inactive Publication Date: 2019-01-11
NANJING IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved in the present invention is to provide a composite steel plate substrate tensile sample to solve the problems of poor effect in the prior art

Method used

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  • Tensile sample for clad sheet steel substrate
  • Tensile sample for clad sheet steel substrate
  • Tensile sample for clad sheet steel substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 The preparation method of the composite steel plate substrate tensile specimen shown is as follows:

[0033] (1) Take the pipeline steel and stainless steel clad steel plate with a length of 400mm, a width of 100mm, and a thickness of 15.4mm, and remove the oxide scale and dirt on the surface of the clad steel plate for later use;

[0034] (2) the clad steel plate end milling in the step (1) is grown into 400mm, and width is 43mm, and thickness is the lath-shaped standard tensile specimen of 15.4mm, as figure 2 shown;

[0035] (3) the lath-shaped standard tensile sample gained in step (2) is processed into the tensile sample with shoulder with the mode of open shoulder milling; In the tensile sample with shoulder, arc radius is 25mm, The length of the parallel section of the sample is 80mm, the width is 38mm, and the thickness is 15.4mm, such as image 3 shown.

[0036] (4) With wire cutting, the composite layer of the shouldered tensile sample obt...

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Abstract

The invention discloses a tensile sample for a clad sheet steel substrate. The tensile sample for the clad sheet steel substrate has a length of 400mm; the length of parallel segment is 80mm; the circular arc radius is 25mm; the gauge length of sample is 50mm. Compared with the prior art, the tensile sample for the clad sheet steel substrate fully meets national and international standards; no additional clamp is required when the tensile sample for the clad sheet steel substrate is detected; the tensile sample for the clad sheet steel substrate can be directly put into a conventional tensiletesting machine for detection; the operation is convenient and quick and the detection precision is not influenced; the tensile test detection can be quickly and accurately performed; the tensile sample for the clad sheet steel substrate is an ideal tensile sample for detecting the clad sheet steel substrate of pipeline steel and stainless steel.

Description

technical field [0001] The invention belongs to the technical field of composite steel plate detection, and in particular relates to a tensile sample of a composite steel plate base material. Background technique [0002] Tensile test refers to a test method for measuring material properties under axial tensile load, also known as tensile test. It is one of the basic methods of material mechanical performance testing, mainly used to check whether the material meets the specified standards and to study the performance of the material. [0003] Pipeline steel and stainless steel composite steel plate is a double-layer metal steel plate composed of base material and composite layer. It is composed of two or more metals with great differences in chemical composition and mechanical properties. The composite steel plate base The most likely problem in the processing of tensile specimens is the dimensional accuracy of the sample, which is also the most difficult to control during ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N3/08
CPCG01N1/286G01N3/08G01N2001/2873
Inventor 张华伟韦建新赵亚娟秦小梅欧建华吴其香朱国俊曾周燏
Owner NANJING IRON & STEEL CO LTD
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