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Ultrasonic flaw detection and quality rating method for steel castings (abstract) GB 7233-87
Abstract
This study focused on the ultrasonic nondestructive testing and quality evaluation method of cast-steel parts. The study reviewed and evaluated the current testing capabilities of various establishments, including the simulation tests and judgment criteria of surface and internal defects......
1071 
Sophie
Technical specification for testing concrete strength by core drilling method
The full penetration diamond core method is a viable and cost-effective process for accurately assessing the compressive strength of concrete, minimizing the risk of obtaining false or misleading test results. This method provides a reliable measure of the concretes strength, since it wets the e......
GB 1173-86 Specifications for Casting Aluminum Alloys
，或者英文报告
2500 Words on Casting Aluminum Alloy Technology
The casting of aluminum alloys is an important process for producing components of various shapes and sizes. The technology has been around since ancient times and has been used to create tools, weapons, and sculptures. In this paper, ......
20Mn2B use
20Mn2B Steel Chemical Composition
20Mn2B steel is an alloy steel formulated for primary forming into wrought products. 20Mn2B is the EN numerical designation for this material. 1.0530 is the EN chemical designation. It has a fairly low base cost among wrought alloy steels in the same category. In......
60 uses
Medical advances since the 1950s
Since the 1950s medical advances have been made that have revolutionized healthcare and substantially improved the quality of many lives. These advances have primarily focused on three areas: vaccines, diagnostic techniques and drug treatments.
Vaccines
The develo......
85 uses
THE GLOBAL INTEREST IN THE INTERNET OF THINGS
The Internet of Things (IoT) is an emerging and rapidly growing technology phenomenon affecting the world today, in which everyday physical objects are connected to the Internet and are able to identify themselves and exchange data with one another. A......
C60W use
C60W Usage
C60W is an innovative type of Carbon-60 (C60) that is being used in a variety of applications, ranging from medical to military to industrial. C60W is often referred to as fullerene, buckyball, buckminsterfullerene or a host of other names, but whatever the moniker, the application is ......
Approximate comparison table of grades of cold-rolled low-carbon and coated steel sheets
Cold Rolled Low Carbon and Coated Steel Plate Brand Number Approximation Table
Cold rolling is a method of processing steel that is manipulated to create a desired finished product. Steel manufacturers often use cold rolled steel to create sheet metal and other products used in a range of indus......
Q390D use
Q390D is a kind of high-end multi-purpose processor developed and released by Huawei company.It uses a 14nm finfet process, integrated Kirin 810 chip, with a 64-Core Mobile self-developed G72 graphics processor, It supports four channels LPDDR4X-2133 and UFS2.1 flash memory.
As a multi-purpose pr......
German special requirements for seamless steel pipe steel grades
Germany has a number of specific requirements for seamless steel pipes. These pipes are used mainly in industries such as chemical, automotive, and engineering.
In addition to meeting standards for material composition and performance, precision is also an important requirement for these pipes. S......
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