Camet Metallurgical Technologies Co., Ltd.  

Product Name: Spheroidal Graphite Cast Iron Roll Ring (SG) Certification: ISO Type: Steel Rolling Equipment Condition: New Customized: Customized Material Code: Sgp Sga Hardness: 45-80hsd Max Diameter: 800mm Max Weight: 3 Tons Trademark: CAMET Transport Package: Steel Rack Specification: ISO Origin: China Product Description Spheroidal graphite cast iron roll ringPropertiesThanks to its higher content of Ni and Mo alloys, pearlite, basinite and martensite matrixes with excellent performance are produced. The graphite si spherical form, demonstraing good heat transfer property and high tensile strength. Through changing the struture into basinite of marensite matrix, chemical compostion of needly-like spherical iron of heat treatment, a dense reticular primary cementite with high wear-resistance.Mechanical propertiesHardness of shellHSD45-80Hardness of coreHSD32-55Tensile Strength of core≥320MPaChemical analysisGradeHardness (HSD)CSiMnNiCrMoMgSG IV55-702.9/3.60.8/2.50.4/1.20.5/4.00.2/0.60.2/0.8≥0.04SG V60-702.9/3.60.8/2.50.4/1.21.0/3.00.3/1.20.2/0.8≥0.04SGP I45-552.9/3.61.4 /2.20.4/1.01.5/2.00.1/0.60.2/0.8≥0.04SGP II55-652.9/3.61.2 /2.00.4/1.02.0/2.50.2/1.00.2/0.8≥0.04SGP III62-722.9/3.61.0 /2.00.4/1.02.5/3.00.2/1.20.2/0.8≥0.04SGA I55-782.9/3.61.2 /2.20.2/0.83.0/3.50.2/1.00.5/1.0≥0.04SGP II60-802.9/3.61.0 /2.00.2/0.83.5/4.50.3/1.50.5/1.0≥0.04ApplicationsVarious types of continuous rough intermediate and finish mills for processing bars, sections and strips. Used as the secondary finishing and back rolls. Also suitable for use on stainless-steel strip hot mills.