En124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged

Model NO.: As customer request
Process: Sand Casting + Machining
Raw Material: Ductile Iron, Cast Iron, Qt500
Casting Tolerance: CT 7 ~ CT 8
Surface Finish: Ra 12.5
Dimensions: as Per Drawing
Surface: Polishing, Anodising, Powder Coating
Type: Manhole Cover
Application: Road
Metal Type: Cast Iron
Frame Finishing: Powder Coated
Feature: Anti UV, Eco Friendly, Waterproof, Anti-Corrosive, Easily Assembled
Trademark: Shengao
Transport Package: Pallet, Iron Frame, Flywood Box.
Specification: SGS, ISO9001: 2008, DIN, ASTM, GB, EN124, CE
Origin: Weifang City, Shandong Province
HS Code: 7325109000
EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged

Our manhole covers are designed to meet the highest standards of durability and functionality. Here are some key features:
* Material: Ductile Iron, Carbon Steel, Grey Iron, Stainless Steel, Aluminum, Brass, etc.
* Available casting methods: Sand casting and investment casting (precision casting).
* CAD software used for design: PRO/E, AutoCAD, UG, SolidWorks, and more.
* Additional machining: Turning, milling, grinding, drilling, reaming, threading.
* Advanced equipment: CNC centers, lathes, and other precision machines.
* Surface finishing options: Shot blasting, chromate plating, powder coating, anodizing.
* OEM/ODM services available for a wide range of industrial parts.
* Manufacturing process: From CAD design to final inspection and packaging.
* Custom manufacturing based on customer drawings, specifications, or samples.
* Monthly casting capacity: 500 tons.
EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged


EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged
Ductile Iron Manhole Covers / Manhole Cover
Cast Iron Manhole Cover
manhole, manhole covers, sewer covers, metal manhole cover, sealed manhole covers, drain covers, circular manhole, manhole japan

We can produce all types of manhole covers according to your drawings or samples. Our products are widely used in roads, footpaths, parking areas, and more. We ensure high-quality and reliable performance for all our customers.

Product Details:
1. Materials & Standards: Grey iron, ductile iron, malleable iron, carbon steel, alloy steel, stainless steel, aluminum, copper alloys.
2. Molding Processes: Green sand, resin sand, waterglass sand, lost wax/silicon sol, die casting.
3. Melting Facilities: Cupola furnace, medium frequency induction furnace, electric arc furnace.
4. Casting Inspection: Direct-reading spectrometer, metallographic analysis, magnetic particle testing, ultrasonic testing, X-ray testing, mechanical properties testing.
5. Heat Treatment: Aging oven, electric furnace, normalizing, quenching, tempering equipment.
6. Surface Treatment: Shot blasting, polishing, chrome plating, zinc plating, powder coating, etc.
7. Machining Equipment: CNC centers, NC lathes, milling machines, boring machines, drilling machines.
8. Inspection Equipment: CNC 3D inspection systems and others.
9. Industrial Applications: Tractors, heavy trucks, cars, farm machinery, construction equipment, power industry, elevators, valves, general machinery, and more.
10. Part Weight Range:
- Grey Iron: up to 15,000 kg
- Ductile Iron: up to 4,000 kg
- High Manganese Steel: up to 5,000 kg
- Carbon Steel & Alloy Steel: up to 10,000 kg
- Aluminum/Copper Alloy Die Casting: from 8g to 12kg
- Investment/lost wax casting: up to 80kg
11. Representative Products: Machine beds, tables, bearing stands, housings, casings, covers, valve bodies, pump bodies, large ring gears, pulleys, sheaves, bolsters, frames, rear frames, front frames, engine blocks, mill balls, hammers, jaw plates, bucket teeth, front idlers, excavator sprockets, link rods, bucket link rods, barrel liners, grate plates, top grates, open grates, front walls, and racks.

EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged
EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged



EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged

EN124 Lockable Ductile Iron Access Manhole Covers in Cast & Forged
OEM and ODM services are fully available for custom manhole covers. If you need tailored solutions, feel free to contact us. We provide quotations within 24 hours.

If you have any questions, don't hesitate to reach out. We're here to help!
Name Ductile Iron Manhole Cover in Cast & Forged
Material Ductile Iron GGG50/7, Gray Iron
Standard EN124/1433/1563
Class A15, B125, C250, D400, E600, F900
Shape Round
Size 600*600, 840*840, 850*850 or as per customer drawing
Paint Bituminous Black
Advantage Non-slip, safe, easy installation, easy cleaning, excellent pressure resistance, attractive appearance
Molding DISA Line
Process Drawing → Mold Making → Raw Casting → Sand Blasting → Rough Machining → Surface Treatment → Product Inspection
Application Footways, pedestrian paths, car parks, airport pavements
Certificate BSI, ISO9001:2000
Strict Quality Control Tensile Strength: 500 MPa | Yield Stress: 320 MPa | Elongation Rate: 7% | Hardness: HBS 170-230
Main Products Manhole Covers and Grates, Furnaces, Bases, Machinery Parts, Cookers, Valve Bodies, Pipe Fittings, Automotive Parts
Other Information We can cast and process any type of iron casting product according to customer drawings or samples
Size (Customized available for other dimensions)
Order No. Inner Dia Grating Outer Dia Height Weight (kg) Pressure (kN)
F0536-1 252 x 252 326 x 326 360 x 360 36 13.5 C250
F0536-2 350 x 350 400 x 400 470 x 470 40 20 C250
F0536-3 450 x 450 500 x 500 580 x 580 50 32 C250
F0536-4 550 x 550 600 x 600 680 x 680 50 39 C250
F0536-5 350 x 350 400 x 400 500 x 500 100 36.2 D400
F0536-6 450 x 450 500 x 500 600 x 600 100 49 D400
F0536-7 560 x 560 600 x 600 700 x 700 100 62 D400
Material Composition:
Tensile Strength 560 MPa Yield Stress 340 MPa
Elongation Rate 7.5% Hardness 210 HBS
Material GJS500-7 (GGG50) Standard EN 124

1. Q: Why choose Shengao products?
A: We have our own factory—Weifang Shengao Machinery Co., Ltd. This ensures quality control and competitive pricing for every product.

2. Q: Do you offer OEM service?
A: Yes, we do. We can customize products based on your designs and specifications.

3. Q: Can you produce custom manhole covers?
A: Absolutely. Just send us your drawings or samples, and we’ll manufacture accordingly.

4. Q: What payment terms do you accept?
A: We support various payment methods such as L/C, T/T, PayPal, Escrow, and more.

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