AWS E6013 it is used for welding the Size: 2,5 /3,2/4.0/5.0mm * 350 mm, standard: GB,AWS,ABS.DNV,LR,GL,NK,CWB certificate. Description:AWS E6013 Welding Roads for Hear-resisting Low Alloy Steel. Size: 2.5x300mm;3.2x350mm;4.0x400mm;5.0x400mmPackage: pcs in box. If you have any needs you can feel free to contact with me.