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Features of our manhole cover:
* Material: Ductile Iron, Carbon Steel, Grey Iron, Stainless Steel, Aluminum, Brass
* Available casting methods: Sand Casting, Investment Casting (Precision Casting)
* CAD software supported: PRO/E, AutoCAD, UG, SolidWorks, and more
* Machining capabilities: Turning, Milling, Drilling, Grinding, Threading
* Advanced equipment: CNC Centers, Lathes, Milling Machines
* Surface treatments: Shot blasting, Chromate plating, Powder coating, Anodizing
* OEM/ODM services available for various industries: Automotive, Electronics, Machinery, Appliances
* Full process: Design, Casting, Machining, Surface Treatment, Quality Control, Packaging
* Custom manufacturing based on drawings, specifications, or samples
* Monthly casting capacity: 500 tons
Ductile Iron Manhole Covers / Manhole Cover
Cast Iron Manhole Cover
manhole, manhole covers, sewer covers, metal manhole cover, drain covers, circular manhole, sealed manhole, recessed manhole
We can produce all types of manhole covers according to your drawings or samples.
Product Details:
1. Materials & Standards: Grey Iron, Ductile Iron, Malleable Iron, Carbon Steel, Alloy Steel, Stainless Steel, Aluminum Alloy, Copper Alloy
2. Molding Processes: Green Sand, Resin Sand, Water Glass Sand, Lost Wax, Die Casting
3. Melting Facilities: Cupola Furnace, Medium Frequency Induction Furnace, Electric Arc Furnace
4. Casting Inspection: Spectrometer, Metallographic Analysis, Magnetic Particle Inspection, Ultrasonic, X-ray, Mechanical Testing
5. Heat Treatment: Aging Oven, Normalizing, Quenching, Tempering
6. Surface Treatments: Shot Blasting, Polishing, Chrome Plating, Zinc Plating, Powder Coating
7. Machining Equipment: CNC Centers, NC Lathes, Milling Machines, Boring Machines
8. Inspection Equipment: 3D CNC Inspection, Others
9. Industrial Applications: Tractors, Heavy Trucks, Cars, Farm Machinery, Construction Equipment, Power Industry, Elevators, Valves, General Machinery
10. 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: From 8g to 12kg
- Investment Casting: Up to 80kg
11. Representative Products: Machine Beds, Frames, Valve Bodies, Pump Bodies, Gears, Pulleys, Sheaves, Bolsters, Engine Blocks, Hammers, Jaw Plates, Bucket Teeth, Sprockets, Links, Grates, etc.
OEM and ODM services are fully available for custom manhole covers.
If you need customized manhole covers, feel free to contact us.
We will provide a quotation within 24 hours.
If you have any questions or need assistance, please don't hesitate to reach out to me.
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
600x600, 840x840, 850x850 or as per customer drawing
Paint
Bituminous Black
Advantage
Non-slip, Safe, Easy Installation, Easy to Clean, Excellent Pressure Resistance, Attractive Appearance
Molding
DISA Line
Process
Drawing - Mold Making - Raw Casting - Sand Blasting - Rough Machining - Surface Treatment - Product Inspection
Application
Footways, Pedestrians, Car Parks, Airport Pavements
Certificate
BSI, ISO9001:2000
Strict Quality Control
Tensile Strength: 500MPa, Yield Stress: 320MPa, Elongation Rate: 7%, Hardness: HBS 170-230
Main Products
Manhole Covers and Grates, Furnaces, Bases, Machinery Parts, Cookers, Valve Bodies, Pipe Fittings, Auto Parts
Other Information
We can cast and process any type of iron casting products according to customers' drawings or samples
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
Tensile Strength
560MPa
Yield Stress
340MPa
Elongation Rate
7.5%
Hardness
210HBS
Material
GJS500-7 (GGG50)
Standard
EN 124
1. Q: Why choose Shengao product?
A: We have our own factory—Weifang Shengao Machinery Co., Ltd. This ensures high-quality products and competitive pricing.
2. Q: Do you offer OEM service?
A: Yes, we offer OEM services.
3. Q: Can you make custom products?
A: Yes, we can manufacture according to your drawings and specifications.
4. Q: What payment terms do you accept?
A: We accept various payment terms such as L/C, T/T, PayPal, Escrow, etc.
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