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flat crystal
Auxerre, France
Welcome to the official website of Auxerre in Burgandy, France. Auxerre is a city located in the north of Burgandy and is a city with a rich history; it is the capital of Yonne, holding a total population of 34,500 citizens. With beautiful surroundings and a very compact centre, A......
1047 
Sophia
ASTM A29/A29M-1993 Standard Grain Size of Hot-Worked and Cold-Worked Carbon and Alloy Steel Bars
Abstract
This article aims to discuss the practices on grain size measurements of ASTM A29/A29M-1993 hot-processed and cold-processed carbon and alloy steel bars. The procedures for grain size measurements are thoroughly discussed, beginning from the selection of specimens, followed by the sample......
"ISO9000 family" standard
答案
ISO 9000 family
The ISO 9000 family of standards are quality management systems (QMS) standards developed by the International Organization for Standardization (ISO), and are designed to help business owners and managers identify and control quality related activities in their operations. The......
Test method for stainless steel ferric chloride crevice corrosion GB 10127-88
The standard GB 10127-88 ”Test Method for Stainless Steel Cathodic Rectifiers of Corrosion Gaps” is a widely used standard for testing corrosion gaps in stainless steel trichloride baths. Corrosion gaps occur as a result of biofilm buildup on the surface of stainless steel trichloride baths. Thi......
Weldability test lap joint (CTS) welding crack test method GB 4675.2-84
In the CTS welding crack test, the most important is to prepare the test specimen. Before the weldment is tested, it needs to meet certain requirements, otherwise the results obtained will not be meaningful. For example, the welding itself should be performed skillfully, and the components of the w......
Unified numerical code system for steel and alloy grades (GB/T 17616-1998)
，题目为Steel and alloy grade number unified numerical code system(GB/T 17616-1998)
Steel and alloy grade number unified numerical code system (GB/T 17616-1998) is a standard regulating the uniform digital coding system for steel and alloy grades. This standard was initially established in 1998 and......
20Cr3MoWV application
20Cr3MoWV Introduction
20Cr3MoWV is a hardened and tempered alloy steel. It is a kind of Quenched and tempered alloy steel which involves two processes of heat treatment: quenching and tempering. The steel has higher strength and toughness and superior wear resistance compared with other steels. ......
35SPb20 use
Common Use for Hashtag #35SPb20
The hashtag #35SPb20 is a popular hashtag used on social media platforms from across the world. This hashtag is used by individuals, brands, and businesses to connect with the vibrant and engaged audience of Saint Petersburg-based people.
When using this hashtag,......
Russia very thin wall seamless steel pipe steel grade
Russias Ultra-Thin Wall Seamless Steel Tube
Russia is one of the most advanced countries in the world when it comes to producing high-quality steel tubes. One of the ways that Russian steel tubes differentiate from other producers is through their ultra-thin wall seamless steel tube. The seamless......
Representation method of grades of iron and steel products (refer to GB/T221-2000)
Steel grade:
In general, the steel grade for steel products is expressed in accordance with GB/T221-2000 regulations. The grade expression is composed of four parts: one is the part of grade symbol, one is the part of main element grade of alloy steel or low alloy steel or the main element grade ......
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