Diameters:80mm---800mm

Length: 3000mm--12000mm and as customer's request.

Steel Grades: 42CrMo4(DIN1.7225); 34CrNiMo6(DIN 1.6582) ; 18CrNiMo7-6(DIN1.6587);25CrMo(DIN1.7218); ...