
45-55hsd Hardness Small Hardness Gradient of Working Layer Pearlitic Nodular Cast Iron Rolls (SGPI) for Blooming Mill and Large, Medium-Sized Section Steel. Centrifugal Casting Process: Manufactured using centrifugal casting for superior structural integrity and material density. Pearlite Ductile Iron Material: Features a pearlitic structure with spherical graphite for high tensile strength and abrasion resistance. Hardness Range 45-55 HSD: Working layer hardness is precisely controlled within 45-55 HSD for optimal performance. Customizable Dimensions: Barrel length up to 1.2 meters and single weight up to 10 tons available based on requirements. ISO 9001:2000 Certified: Production meets international quality standards with 100% finished product inspection. Versatile Mill Applications: Suitable for blooming mills, section steel, wire & rod mills, and narrow strip steel mills. 30+ Years Manufacturing Experience: Over three decades of expertise in producing various metallurgical rollers and rings. Full Customization Support: Offers full customization, minor customization, and flexible options based on drawings.