... Q345 Q390 Q420 Q46... Type: Steel Plate Technique: Hot Rolled Surface Treatment: Coated Application: Steel for machinary, ... building,bridg... Special Use: High-strength Steel Plate Width: 1500mm--4050mm Length: 6000mm--12000mm ... , bridge, machinery, boiler and presure vessel4.Advantage: Guarantee the highest quality ,reasonable price and best serviceStandard ABS,BV,CCS ...