• Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei System 1
  • Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei System 2
  • Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei System 3
  • Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei System 4
  • Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei System 5
Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei

Ductile Iron Manhole Covers C250 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.Applications: water supply and drainage, fire engineering, natural gas,electricity and telecommunications, street lamp and outdoor illuminations.
3.Inspection: in-house or the third party as per customer's request.

Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei

Ductile Iron Manhole Covers C250 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. Contain no metal and no recovery value, anti-theft.                              


Packaging & Shipping



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

 

Delivery Detail: 8 days if your order is 20"container


Ductile Iron Manhole Covers C250 for Mining and construction with Frames of High Quality in Hebei



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.



Q: How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
Yantai five God casting is generally 53 yuan /kg, the appearance is quite beautiful
Q: our factory now produces steel castings in the use of polishing directly after spraying processing, but the powder sprayed 15But the spray powder touched off what is the reason we are not very strict requirements not only need to peel off bubbles can also, because our products are steel castings so we use steam hole sludge put on. Do not know if this spray treatment has no effect to thank friends with us!
Usually after rusting,Did you peel it?If it isNeed to do film processingIf notPlease look for the coating factoryBetter paint (such as epoxy ester, etc.)
Q: What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?
3, weight: if reinforcement in products, casting weight is generally greater than the welding parts (the internal organizational structure and mode of production determines the mechanical properties of materials, so it determines the weight of the product), considering the cost of transportation, certain priority structure.
Q: Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
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: How to distinguish the forging parts and casting parts accurately
To distinguish from the use of materialsForging materials are mainly made of carbon steel and alloy steel of various components, followed by aluminum, magnesium, titanium, copper and their alloys. The original state of the material is rod, ingot, metal powder and liquid metal. The materials needed for casting are mostly metal, wood, fuel, molding materials and so on. In contrast, the forging parts rarely produce dust, harmful gas and noise, etc., and play a more obvious role in environmental protection. Of course, because of this, the price of forged parts on the market is higher than that of castings.
Q: Cause of choking of casting parts
Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects
Q: When there is no flaw detection for large casting parts, is there any crack inside?
According to the industry standards, within the scope of the standard requirements to determine whether the product is qualified
Q: What are the general technical requirements for casting parts?
Satisfy appearance quality (appearance defect, quality change, size deviation)Intrinsic quality (composition, properties, internal organization)Service performance (abrasion resistance, corrosion resistance, heat resistance, pressure resistance)
Q: When the blank is a casting, the margin is evenly distributed, how should rough machining?Please help friends from mechanical classes.There is another problem: in the NC milling plane contour machining, when the rough margin is large, how to deal with.Who can help in time, add 20 reward. Urgently!!
Personal advice:Because of the large margin, your outline is easy to guarantee;So the key is to consider the assembly and aesthetics of the casting. You have to find the machining criteria;Rough the datum so that it can be machined;After the outline, turn back to the finishing line.If the casting requirement is not high, the benchmark can be directly processed; (not recommended)Over

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