In June 2026, Europe is experiencing an unprecedented extreme heatwave, with temperatures in many countries breaking historical records. This has resulted in over 1,300 deaths and widespread impacts on social operations, the economy, and ecosystems. (State Media)Event Overview and Record-Breaking Pe

I. Definitions and Classification Criteria: The Critical "10%" ThresholdThere are clear standards regarding chemical composition for the classification of alloy steels. Based on the total mass fraction of alloying elements, alloy steels are categorized into three tiers:Low-alloy steel: Total alloyin

The fundamental difference lies in the fact that alloy steel is derived from carbon steel by adding specific alloying elements to achieve superior performance, thereby meeting the demands of more rigorous operating conditions.Carbon steel pipes are the "standard option," designed for cost-effectiven

Overall Price Performance: Shift to a Lower Baseline and Narrowed VolatilitySlight year-on-year increase, yet absolute price levels remain low: In the first half of 2026, taking rebar as an example, the national average price was approximately 3,357 yuan/tonne—a marginal rise of just 27 yuan/tonne (

The core advantage of square and rectangular tubes produced using the "round-to-square" process lies in their ability to overcome conventional wall-thickness limitations,enabling the creation of products with ultra-thick walls and high strength,Consequently,they are primarily used in "heavy-duty"