The Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me
Read moreThe Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me
Read moreThe Paris-based International Energy Agency released its monthly oil market report on the 13th, reducing its global oil demand forecast this year to 89.3 million barrels, 200,000 barrels lower than previously expected, but still increasing by 1 million barrels per day compared to 2010 aver
Read moreCommitted by Shanghai Machine Tool Works Co., Ltd., one of the major scientific and technological projects of the national high-end CNC machine tools and basic manufacturing equipment jointly developed by Shanghai Jiaotong University and Shanghai University of Technology, “MKA84250/ 15000-H
Read moreUnder the promotion of the “energy saving and emission reduction†policy of the country, the continuous upgrading of materials has become a consumer trend in the curtain wall market. Since the implementation of reform and opening-up in China, the total economic output has cont
Read moreModel NO.: 304 Special Use: Wear Resistant Steel Stock: Stock
Read moreThe Heat-Affected Zone (HAZ) is one of the most critical aspects of welding metallurgy. It's the area of base metal that is not melted but has undergone significant changes in its microstructure due to exposure to high temperatures during welding. The HAZ can affect the me
Read moreDouble-sided bookshelves are very common in the library. They can be placed on both sides of the books. It is a very suitable product for libraries with a lot of books. Although you have contacted the double-sided bookshelf, do you know the double-sided bookshelf? How about th
Read moreTonghuan 300033 New Third Board News The latest announcement of the national SME stock transfer system shows that Jiangsu Mimo Metal Co., Ltd. plans to list the new three board. Mimo Metal was established on March 21, 2013. According to the announcement, the operating income of Mimo Metal in 2014
Read moreResearch on the best heat treatment process of 30CrMoA steel bolt fasteners in Harbin Engineering University Chang Tiejun Yang Shiwei 1 Yin Shutong Gong Zhengchun 2 (1. School of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China; 2. Harbin Boiler Factory, Ha
Read more(1) Use of the housing cooling system. The housing cooling water not only prolongs the service life of the housing but also increases production efficiency when used correctly. The material of the bearing housing is generally made of special bearing housing steel through vario
Read moreRecently, the world's largest section of the earth pressure balance rectangular shield "Yangming" originated in the construction of the Ningbo subway site. This is China's first self-developed rectangular-like shield. Compared with the traditional circular sh
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