Piercer Roll Rings for Tube Milling

Product Name: Piercer Roll Rings for Tube Milling Certification: ISO Type: Steel Rolling Equipment Condition: New Customized: Customized Material: Customer Request Size: as Per Drawing Trademark: CAMET Transport Package: Steel Rack Specification: ISO Origin: China Product Description Piercer Roll Rings for Tube MillingPropertiesForged steel rolls are treated with dual frequency heating machine and cold treatment equipment. The whole procedure is computer-controlled so as to provide rolls with a deep hardened layer, high and homogeneous hardness, superior wear ability and sufficient resistance to accident. We produce forged roll for rolling mills, specialized making kinds of steel forging and casting mill roll and back up roll.Chemical AnalysisMaterialCSiMnCrMoVNiSP9Cr2Mo0.85-0.950.25-0.450.20-0.401.70-2.100.20-0.40--≤0.30≤0.030≤0.03086CrMoV70.80-0.900.15-0.400.30-0.501.80-2.400.20-0.400.05-0.15--≤0.030≤0.0309Cr3Mo0.85-0.950.25-0.450.20-0.352.50-3.500.20-0.30--≤0.30≤0.030≤0.030MC30.82-0.900.60-0.900.20-0.452.80-3.200.40-0.600.05-0.150.60-0.80≤0.020≤0.015MC50.80-0.900.30-0.550.20-0.504.80-5.400.20-0.400.05-0.120.30-0.50≤0.020≤0.01570Cr3Mo0.60-0.750.40-0.700.50-0.902.00-3.500.25-0.60--≤0.60≤0.030≤0.03045Cr5NiMoV0.48-0.550.30-0.550.20-0.504.90-5.400.30-0.500.10-0.200.30-0.50≤0.020≤0.015Physical PropertiesDesignation of rollsHardness (HSD)Depth of hardness (mm)Hardness deviation (HSD)Work Roll70-10410-50±1Intermediate Roll70-8510-50±1Sendzimir Work roll60-66HRC≥10±1Sendzimir Intermediate Roll55-60HRC≥15±1Back-up Roll60-8010-75±1.5ApplicationDesignation of rollsApplicationDepth of hardness (mm)9Cr2MoAll kinds of rolls≥1086CrMoV7All kinds of rolls≥129Cr3MoWork rolls & intermediate rolls≥15MC3Work rolls & intermediate rolls≥20MC5Work rolls & intermediate rolls≥2570Cr3MoWork rolls & back-up rolls≥5045Cr5NiMoVBack-up rolls≥75