Basic Info. Model NO.: Q345 steel plates Type: Steel Plate Export Markets: Global Product DescriptionChequered Plate Q345 Standard AISI, ASTM, BS, ... Pattern Diamond, lentils form, round beans form. Usage Chequered plate is wide used for shipbuilding, boiler, automobile, tractor, ... leading technology, which guarantees the quality, makes our entire product met with the quality standard in USA, Japan, ...