Ductile Iron Rolls Ductile Iron Rolls Applications: Roughing and intermediate stands of various continuous rolling mill, finishing stands of bar mill, section mill, finishing stands and back up rolls of strip mills, slao suitable for stainless-steel strip hot mills. Description: 1)Material: Ductile Iron 2)Size: According to clients' drawing 3)Standard: GB, AISI, SAE, ASTM/ASME 5)Inspection: Ultrasonic Inspection, Microstructure Test 6)Packaging: Steel Frame 8)Payment: T/T or L/C Our products are high in quality and reasonable in price. We can guarantee their quality.Mechanical Property Centrifugal Castings Static Castings Surface Hardness HSC47-76 HSC43-65 Core Hardness HSC34-47 HSC34-52 Tensile Srength of Core ≥ 450MPa ≥ 300Mpa Chemical AnalysisGrade Hardness(HSC) C Si Mn Ni Cr Mo Mg SGI 47-61 2.9-3.4 1.2-1.8 0.4-1.0 0.5-1.0 0.2-0.6 0.2-0.6 ≥ 0.04 SGII 47-65 2.9-3.4 1.2-1.8 0.4-1.0 1.0-3.0 0.2-1.2 0.2-0.6 ≥ 0.04 SGA 57-76 3.0-3.5 1.2-1.8 0.4-1.0 3.0-4.5 0.2-1.2 0.6-1.0 ≥ 0.04
