Gb T 16270 Pdf

: Provides the GB/T 16270-2009 document , though the text may be in Chinese.

The standard explicitly states that plates shall be delivered in the condition.

: These steels are primarily used in heavy engineering, such as bridge construction, highway engineering, and structural parts for powered supports. gb t 16270 pdf

is the Chinese national standard for high-strength structural steel plates delivered in a quenched and tempered (Q+T) condition . This standard is widely used in heavy engineering, such as bridge construction, mining machinery (drilling machines, excavators), and hydraulic supports.

Impact Toughness: V-notch impact testing ensures the steel remains ductile at low temperatures (e.g., -20°C, -40°C, or -60°C). : Provides the GB/T 16270-2009 document , though

: Adds newer quality grades C and F for most designations to align with current industrial needs.

Surface Quality: Regulations define acceptable surface defects and repair methods. Common Grades and Applications : Adds newer quality grades C and F

: Maximum applicable thickness was increased from 100mm to 150mm .