• Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 1
  • Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 2
  • Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 3
  • Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 4
  • Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 5
  • Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei System 6
Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei

Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
4166 set/month

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Product Description


1.Advantages: Good compressive, bending and impact strenth,anti-corrosion, not rust, long service life  
(at least 30 years). The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than. Contain no metal and no recovery value, anti-theft.
2.Fire engineering, natural gas,electricity and telecommunications, street lamp and outdoor illuminations.
3.Inspection: as per customer's request.


Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei

Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei




Specification


Item No.ClassClear Opening(mm)Frame Size(mm)
RGC-01LC250390*325530*465


Advantages


Advantages: Good compressive, bending and impact strenth,anti-corrosion, not rust, long service life  
(at least 30 years). The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than other manufactures.

Ductile Iron Manhole Covers for Mining and construction with Frames of High Quality in Hebei

Packaging & Shipping



Packaging: Details Pallet with bubble film, Carton or with pallet,

 

Delivery Detail: 8 days if your order is 20"container and we can also provide other types of containers.




FAQ


Why imported Composite Manhole cover/Grating from China?


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


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


3. China provide the best service for its customers.



Q: Casting blank in the cooling process to release a large amount of heat energy, what can be recycled?
Casting, do not need to provide a rough casting foundry drawings, according to your chart will put foot margin in the processing needs of the surface, the rest of the size can be found according to the mechanical design manual and manual casting.
Q: How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
The material is usually steel material price plus the cost (per ton of 2.5-3 million, plus profit).In the Yangtze River Delta region, generally 304 casting price of about 5-5.5 million / ton.The price will be higher if the parts are complex, or a piece weighs less than 100 grams.
Q: What are the factors affecting the machining process of the casting material and structure?
As for the metallographic structure, usually the finished products after casting are treated by heat treatment. The mechanical properties of the carbon steel after heat treatment (quenching and tempering) are detected. The stainless steels are treated by heat treatment (solid solution, etc.) and the metallographic structure is analyzedThere is a lot of talk and a bit of confusionIf you have a specific brand, you can search for Baidu or buy tools
Q: Selection of hydraulic press is the casting parts and steel plate welding, how to choose?
Casting parts in one shape, the overall processing in this regard than steel plate welding better. The same price is much more expensive than steel. Large hydraulic presses seldom have casting parts.
Q: What's the density of the cast iron? The density is thin and the density is thin
There is a hot knot in the thick area, which easily causes microscopic shrinkage and makes the casting not dense. A riser may be added for shrinkage relief.
Q: Does anyone know how to make precise casting parts for aerospace or manufacturers of single and small quantities of automotive parts and components, mainly in Beijing, Tianjin and Tangshan?
List of China's military enterprises list of ten major military groupsChina Nuclear Industry Construction Group CorporationChina Aerospace Science and Technology CorporationChina Aerospace Science and Engineering CorporationChina Aviation Industry CorporationChina Aviation Industry Corporation IiChina State Shipbuilding CorporationcsicChina North Industries Group CorporationChina South Industries Group CorporationChina National Nuclear CorporationKey military enterprisesShipbuilding industry:China State Shipbuilding Corporation (South ship group), (China Shipping Group)China Shipbuilding Industry Corp (North Ship group), (China Shipbuilding Industry)Guangzhou Shipyard International Limited by Share Ltd (GSI)Jiangnan Heavy Industry Limited by Share Ltd (Jiangnan Heavy Industry)Nuclear industry:China National Nuclear Corporation (CNNC)China Nuclear Industry Construction Group Corporation
Q: Why do casting parts have air holes?
There are many reasons for casting porosity, mainly due to:1. smelting process is unreasonable, metal liquid absorbs more gas;2. the gas in the mold invades the metal liquid;3. from the mold is more water brush, core dry;4. the casting has poor ventilation;5. ladle tools are not dry.Wait。
Q: We are small castings, the need for surface treatment of shot blasting machine, about how much?
The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine,
Q: Heat treatment process and purpose of casting parts
Objective: to stabilize tissues, eliminate or substantially reduce internal stress.
Q: Shandong foundry, casting small pieces of precision casting
Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,

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