... tubes for equipment, pipelines, vessels, pipe fittingsand mechanical StructuresGrade: 10, 20, 35, 45, Q345, 40Mn2, 45Mn2, 27SiMn, 20Cr, 40Cr, 20CrMo, 35CrMo ... , 35CrMoAl,50Crv, 30CrMnSiOther steel grade can be provided after negotiating with customersDimensions, Mechanical properties, Chemical ...