main road ductile iron manhole cover
• Shape: Round
• Material: Ductile Iron GJS500-7
• Duty Class: EN124 D400
• Frame Style: Bottom Flange
• Gasket Material: Neoprene
• Lock Material: SS304
• Coating: Black Bitumen
• Standard: EN124-2015
• Surface Pattern:Customized
• Surface text:Customized
Our heavy-duty ductile iron manhole covers are designed for superior strength, durability, and corrosion resistance. Made from high-quality ductile iron, these covers offer excellent load-bearing capacity, making them ideal for heavy traffic areas such as main roads, highways, and industrial zones. Available in various sizes and designs, our manhole covers comply with international standards, ensuring long-lasting performance and safety. Contact us today for customized solutions and competitive pricing.”
We devoted ourselves to casting industry for many years,has been exporting to Europe and Australia since 2001.
We are expecting become your long team partner, OEM & OED is welcomed.
Details
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OEM SERVICES |
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Service |
Drawings or samples processing OEM /ODM service provided |
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Produce Process |
Drawings→ mould making →raw casting → sandblasting →rough machining or finish machining →surface treatment →product checking→ packing →delivering |
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Casting Material |
Cast Iron, Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, |
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Standard |
EN124,ISO, GB, ASTM, DIN, JIS |
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Equipment |
melting furnace, centrifugal casting machines coated sand casting machine CNC machines turning machines grinding machines milling machines drilling machine punching machines laser carving machine |
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Surface treatment |
Heat treatment, Polishing, Sand blasting, Painting, Electro-plating, Chemical Plating, and other machining processing. |
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Inspection Equipments |
Spectrum analysis instrument, Metallurgical analysis, Tensile strength tester, Hardness tester, Roughness tester, deflection tester, Impact test machine, Projector, Altimeter, Scale Micrometer, pressure tester, etc. |
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Delivery |
Sample sent to customer by air. Large quantity products delivered to customer by sea from xingang,China |
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Payment terms |
L/C at sight or 30% T/T as deposit and balanced 70% to pay before shipment |
Quality Control Process
Raw Material Inspection
- Raw Material inspection including chemical
- components analysis, tensile strength test and etc.
Quality Control Groups
- Dimensions Test
- Manufacture process Inspection
- Process Inspection including sand cleaning, assembling, packing and coating
- Final Inspection including delivery marks and etc.
- Particular Tests for different products, such as Load Test, Hydro Test and etc.
Laboratory
- Chemical Components
- Microstructure Test
- Tensile Strength
Our Certificates
