| Item | Ductile iron manhole cover |
| Introduction | Nodular cast iron manhole cover is a kind of nodular cast iron product. Nodular graphite is obtained through spheroidization and inoculation treatment, which effectively improves the mechanical properties of cast iron, especially plasticity and toughness, thereby obtaining higher strength than carbon steel. Nodular cast iron is a high-strength cast iron material developed in the 1950s. Its comprehensive properties are close to steel. It is based on its excellent properties that it has been successfully used for casting some complex forces, strength, toughness, and wear resistance. Highly demanding parts. Nodular cast iron has rapidly developed into a cast iron material second only to gray cast iron and widely used. |
| Standard | ASTM, DIN, ISO, EN, JIS, GB, etc. |
| Material | ASTM A536, Grade 65-45-12, EN1563, JIS G5502, etc. |
| Size | 300×300, 400×400 more, or according to the customer’s 3D drawing. |
| Surface | Painting, or as required. |
| Application | Ductile iron manhole cover main application areas: municipal roads, highways, communications, electricity, tap water, communities, schools and other parks. |
| Package | Standard export package, or as required. |
| Price term | Ex-work, FOB, CIF, CFR, etc. |
| Payment | T/T, L/C, Western Union, etc. |
| Certificates | ISO, SGS, BV. |
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