• Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 1
  • Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 2
  • Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 3
  • Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 4
  • Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 5
  • Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China System 6
Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China

Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China

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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) production standard: EN124 from A15 to F900

2) Material: grey iron, ductile iron

3) Type:round type and Square type,triangle

4) Sand casting


Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China

Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China







Specification



Item No.ClassClear Opening(mm)Frame Size(mm)Frame Height(mm)Unit Weight (kg/set)
RGC-01LC250390*325530*46510023


Advantages


Good compressive,  waterproof,anti-rust ,bending and impact strength, 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 companies.                              

Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China

Packaging & Shipping



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

 

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


Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China

Cast Ductile Iron Manhole Covers C250 for Mining with Frames Made in China




FAQ


1.Can I get free samples?

A: Yes, we can provide you the free sample, but you need to bear their own delivery costs.

2.Can I request to change the form of packaging and transportation?

A:Yes,We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.



Q: Why does the surface of stainless steel casting mirror mirror ripple?
The surface can be improved by a little more than Xiasha
Q: What method of casting does not rust? I think the sample is like oil
The surface of a general casting is easy to rust. In order to prolong the rusting period, antirust paint or antirust oil is usually sprayed. What you said should be anti rust oil.
Q: After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.
Radial drilling machine can achieve boring, reaming function, but as much as you want, according to your requirements and material to determine!
Q: How to cast iron and wrought iron collocation
3, if you have a file in the hand, can be used to file to see finish can also make a judgment from the file down the iron can also be seen, but this is beyond your request, it can be done in the factory. 4, if placed in the grinder grinding, see iron spark from a judge or iron wrought iron, but this is only to do in the factory. About it, may not be full, but through these methods, generally can distinguish between iron or wrought iron.
Q: For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not qualified
According to different casting process and parts materials, each has relevant standards, can be found online;
Q: Which surface is coarser for cast iron or cast steel castings? Why?
The surface of the steel is more rough, because the coating sand cast steel cast iron particles compared with graphite coating degree, the other one is to get a better air permeability and collapsibility of sand, the compaction degree is smaller than iron. Roughness mainly depends on the surface roughness on the surface of the sand.
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: 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
Q: What reason is the bronze statue choking fire?
The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,
Q: Is 316 casting better than 304 casting?
The degree of difficulty in the process of casting depends mainly on the structure, precision requirements, and hardness of the casting. It is comprehensive. There is no simple comparison of the material to determine the degree of difficulty in processing

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