Bridge structural steel Q420q

Product name: Bridge structural steel
Brand: Q420q
Specifications (mm) : T: 10 - 50;W: 1800-2700;L: 6000-12700
Execution standard: GB/T 714-2008
Product scope of application:
Good property of Comprehensive performance, weldability and low temperature impact toughness, suitable for the bridge steel and construct facilities.

Introduction
Steel grades represented by the yield strength of the Chinese phonetic alphabet, the yield strength value, quality grade symbol of three parts.
When the buyer need steel plates with thickness direction performance of the above provisions, the brand and represent the thickness direction (Z) performance level of symbol, for example: Q420CZ15.
Q420q Bridges with steel plate: lowercase q in brand stern said

Steel mark is consist of the first letter of chinese Qu Fu, the first letter of chinese pinyin Gaoxingneng Jianzhujiegouyonggang and the quality level; If buyers need the plate with thickness direction property, it is required to add Z after the quality grade and thickness direction performance levels ,such as Q345GJCZ25.