I. Three Core Variables Determining Freight Rates in 20261. Supply Side: The Record-Breaking "Tonnage Tsunami" Faces its Final ImpactAs of early 2025, the global container ship order book remained at a historically high level (approximately 25%-30%). Based on shipbuilding cycles, 2026 will be one of

In 2025,China's steel industry is undergoing a profound and systematic transformation under the guidance of the national "dual carbon" target,the transformation of the macroeconomic structure,and changes in the global market,The industry as a whole exhibits the significant characteristics of "de

Standard Number: ASTM A179 / A179M"A179" represents the Imperial unit version."A179M" represents the International System of Units (SI, Metric) version. The technical content is equivalent, only the units differ.Chinese Name: Seamless Cold-Drawn Low-Carbon Steel Tubes for Heat Exchangers and Condens

I. Standard OverviewASTM A178 is a technical specification developed by the American Society for Testing and Materials (ASTM) for resistance welding of carbon steel and carbon-manganese steel boiler tubes and superheater tubes. This standard primarily covers small-to-medium diameter steel tubes used

DIN 1629 significa "Tubos redondos de acero sin costura, acero de grano fino soldable para aplicaciones específicas".El núcleo de esta norma es la especificación de una serie de tubos de acero sin costura con excelente soldabilidad y buenas capacidades de conformado en frío. Estos tubos están fabric