GL-YJ502（Q）
For mild steel and 490MPa high tensile steel, widely used in areas such as shipbuilding, bridges, constructions, heavy equipment and structural steel.
Specification：GL-YJ502
Manufacturer：Advanced Technology & Welding Materials Branch
Contact Person：Mr. NIEOrigin：Beijing, Hebei Zhuozhou
Email：niefengzhan@atmcn.comTel：0312-3970503
