OEM Annealed Precision Pearlitic Ductile Manhole Covers & Frames Sand Grey Cast Pad Iron Metal Components

OEM Annealed Precision Pearlitic Ductile Manhole Covers & Frames Sand Grey Cast Pad Iron Metal Components. High Strength & Toughness: Cast iron boasts high strength, high toughness, and strong corrosion resistance. Wide Application Range: Suitable for automobiles, construction machinery, shipbuilding, and chemical industries. Flexible Customization: Supports customization from samples, designs, and minor adjustments. Strict Quality Control: Features dual inspection via spectrometer and carbon-silicon analyzer for every furnace. Comprehensive Testing: Equipped with tensile testers, hardness testers, and magnetic particle inspection. Customizable Dimensions: Casting size and weight range (0.5kg to 1.5 tons) are adjustable per drawing. Multiple Standards Compliance: Meets GB, ASTM, AISI, DIN, BS, JIS, NF, AS, and AAR standards. High Production Capacity: Monthly output exceeds 500 tons with annual capacity reaching 6,000 tons.