• Ductile Iron Manhole Cover with Kinds of Colours and Designs System 1
  • Ductile Iron Manhole Cover with Kinds of Colours and Designs System 2
  • Ductile Iron Manhole Cover with Kinds of Colours and Designs System 3
  • Ductile Iron Manhole Cover with Kinds of Colours and Designs System 4
  • Ductile Iron Manhole Cover with Kinds of Colours and Designs System 5
  • Ductile Iron Manhole Cover with Kinds of Colours and Designs System 6
Ductile Iron Manhole Cover with Kinds of Colours and Designs

Ductile Iron Manhole Cover with Kinds of Colours and Designs

Ref Price:
get latest price
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
110 set
Supply Capability:
4300 set/month

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Specification

Specification:
OEM
Brand Name:
CMAX
Usage:
Construction, industry
Product Name:
OEM Products
Place of Origin:
Hebei, China (Mainland)
Type:
Moulding Press
Size:
Customer's Request
Shape:
Square,round
Service:
OEM Service
Surface treatment:
Painting
Certification:
ISO9001 2008
Connection:
Extrusion molding
Standard:
EN124 Standard
Color:
black, Grey, green, blue and Marble
Process:
Casting. Deburring .Drilling .threading
Material:
Iron

Product Description



Material: Cast(Grey) Iron (GG 20, GG 25) and Ductile(SG) Iron(GGG 50).

Sizes: 300 mm X 300 mm (11.81" X 11.81") clear opening to 1200 mm X 1200 mm (47.2" X 47.2") clear opening.

Load Rating: A15, B125, C250, D400, E600 and F900

Painting: Black Bitumen, Epoxy and other paint as per  provided by customers.

Other Features: Hinging, Locking provision available, Leak proof and customized designed available.


Our Services



1. Sample is available for free.
2. OEM and ODM are welcome.
3. Free charge of design labels and cartons.
4. Our products: produced by the hydraulic Press.Meanwhile, a number of experienced workers do the strictly Quality control and have production tracking program.
5. Our price: we are the factory, we provide the most competitive price with good quality, large order quantity will get big support by us!
6. Professional technical support with free charge.
7. After the cooperation: Any of your problem will be solved within 24 hours

Ductile Iron Manhole Cover with Kinds of Colours and Designs

Ductile Iron Manhole Cover with Kinds of Colours and Designs


FAQ



Why imported Composite Manhole cover/Grating fromChina?

1. Very competitive price, it will save you third or even half cost;

2.Good quality, don't worry much about the quality, actually, most of the building materials you buy from Miami, Dubai ,Italy, South Africa or your local market are imported from China. So why not buy direct from China. The key point is to find a reliable supplier who is honest and professional to take care of the quality and delivery time.

3.China has full range of Manhole covers which Follow En124  for your market, like A15,B125,C250,D400.

Q: Casting blank in the cooling process to release a large amount of heat energy, what can be recycled?
General Casting Factory Casting Division will be in your chart marked on shrinkage and processing margin figure (usually with red and green pen) to the patternmaker production of wood or other material mould diagram.
Q: How to calculate the price of casting parts?
According to the complexity of the workpiece, material and casting requirements and process yield
Q: Why does the surface of stainless steel casting mirror mirror ripple?
Because the grinding machine is layer by layer. And the material inside the casting is not completely uniform.
Q: What is the difference between forging parts and casting parts?
The casting parts are low in cost and short in production period. Because the molten iron has good flow properties, complex shapes can be formed. But because there may be sand holes, pores, shrinkage holes and other defects, the quality is unstable, easy to produce many defects, mechanical properties are not forged well, thus affecting the service life.
Q: What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.
Q: What are the causes of pitting on the surface of a precision casting?
The quality of the shell surface is out of order. Or shot blasting out of question.
Q: My parts complex, machining costs are relatively high, so want to cast, but the surface needs anodizing, what material will be better?
The common material that can be anodized is aluminum alloy. It is recommended to use casting aluminum alloys, such as ZL102 and ZL105, which are commonly used as cast aluminium alloys. The processing of aluminum casting is easy. After processing, the surface of the whole part can be anodized. The color can be chosen.
Q: Why should pig iron be used in casting?
1, in the absence of special requirements, the most important thing is that the price is cheap.2, pig iron castings quenching process requirements are not high. You can do it by hand.3, pig iron casting hardness is very large, can meet many requirements.4, pig iron castings, high temperature resistance is relatively strong. Like stoves are pig iron castings.5, pig iron casting plasticity is very bad, but in some experiments, but use this weakness to improve the sensitivity of the experiment.Wait
Q: What's the cause of the choking of the casting?,
2. when casting mold exhaust condition is not good, in the casting material use consider whether and hinder its gas permeability; in the process to consider to release more pores, multi venting; core exhaust is particularly important.
Q: ZGMn13 casting parts processing, with what knife head good?
The ZGMn13 itself is not have processing, if only the processing point, sharpening, ordinary can, if the processing area is relatively large, ZGMn13 external impact load is bigger,

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