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railway parts
What Are The Differences Among The Four Types Of Materials, Q235A, Q235B, Q235C And Q235D?
Q235 series is the most widely used carbon structural casting steel in China. Its naming rule is “Q + number + quality grade symbol”, where “Q” stands for yield strength, “235” indicates…
Comparison of Manganese Steel and High Carbon Steel in Railway Parts
In the world of railways, steel is the silent backbone. Choosing which type of steel is not a simple matter of theoretical discussion; it directly affects the operational safety, maintenance costs, and…
What Is The Heat Treatment In Casting Parts?
Metal heat treatment is a crucial process. It involves precise control of the heating and cooling of metal materials to adjust their physical and chemical properties. It is not only a common…
Desert Steel Artery: Africa’s First Heavy Haul Railway Completed – A New Model of China-Africa Cooperation
On July 7, 2025, the 135-kilometer priority section of the Western Railway and Mining Line project in Algeria, constructed by China Railway Construction Corporation, was officially completed, marking a breakthrough in the…
Analysis of Railway Freight Cars Parts
Railway freight cars, as the core carriers of the railway freight system, have their reliability and efficiency directly related to the smooth operation of the logistics artery. To understand how these colossal…
“Flexible dancer” on the track: the role of the bogie is revealed
On the grand stage of railway transportation, trains are like agile dancers, running fast and flexibly on the rails. Behind this, there is a key “role” that silently supports the operation of…
Overview of AC Motors: Structure, Applications in Urban Rail Transit & Citizen Metro Case
Overview of AC motors DC traction motors have excellent traction and braking performance. By adjusting the terminal voltage and excitation, speed regulation can be conveniently performed. However, the commutator structure of DC…