Gb T 16270 Pdf [updated] Info

The standard is a critical Chinese national specification governing the technical delivery conditions for high-strength structural steel plates . Primarily used in heavy-duty engineering and construction, this standard ensures that steel plates possess the necessary yield strength, toughness, and weldability for demanding structural applications. Overview of GB/T 16270

The grades are named based on their minimum yield strength (in MPa): Detail of GB/T 16270-2009 - Code of China gb t 16270 pdf

(examples): Q460D, Q550D, Q690D, Q890D, Q960D — where the number indicates minimum yield strength (MPa). The standard is a critical Chinese national specification

: The maximum applicable thickness was increased from 100mm to New Grades : High-strength grades Q800, Q890, and Q960 were added, while the Q420 grade was removed. Refined Scope and Q960 were added