Grade: C45, Q195/215/235, S355, SCM440, 42CrMo4 Hot Rolled Ordinary Carbon Round Bar Hot ... Rolled Ordinary Carbon Round Bar 1)Grade: C45, Q195/215/235, S355, SCM440, 42CrMo4 2)Diameter: 5.5mm-250mm 3)Material ... long terms and steady symbiosis with you! C45/Q195/215/235/S355/SCM440/42CrMo4 Hot Rolled Ordinary Carbon Round Bar