The main customers for long products are construction, plant/mechanical engineering, shipbuilding, commercial vehicle/automotive industries and railway operators. We supply profile rollers for heavy profile lines, rail rolling mills, fine steel, bar and wire steel rolling mills and medium steel rolling mills.

To determine the correct roll material for profile rolling mills, the specific rolling mill conditions and the material properties of the rolls must be compared. The following key points must be considered:

Rolling mill conditions:

• scaffolding type
• Type of rolling stock
• Mechanical load (rolling pressure and drive torque, stitch approval)
• Roll calibration (tapping and outlet cross-section, gripping angle, max. caliber depth)
• Temperature load (rolling stock temperature, rolling speed, roll cooling)

Properties of roll materials:

• Mechanical properties (tensile strength and flexural strength, high temperature strength, modulus of elasticity)
• surface hardness - radial hardness curve
• wear resistance
• Burn crack resistance
• Gripping capacity (coefficient of friction)
• oxidation resistance