• EN 214 ductile iron manhole covers with superior quality made in China System 1
  • EN 214 ductile iron manhole covers with superior quality made in China System 2
  • EN 214 ductile iron manhole covers with superior quality made in China System 3
  • EN 214 ductile iron manhole covers with superior quality made in China System 4
  • EN 214 ductile iron manhole covers with superior quality made in China System 5
  • EN 214 ductile iron manhole covers with superior quality made in China System 6
EN 214 ductile iron manhole covers with superior quality made in China

EN 214 ductile iron manhole covers with superior quality 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) Anti-rust

5)Waterproof

6)ISO9001:2008

7)color:Black,green,grey


EN 214 ductile iron manhole covers with superior quality made in China

EN 214 ductile iron manhole covers with superior quality made in China



Specification



Item No.ClassClear Opening(mm)Frame Size(mm)Unit Weight (kg/set)
TD1221D4001220*6751378*831216
TD1222D4001220*6751370*83080.5



Advantages



Compressive prices, bending and impact strength, anti-corruption, not rust, endurable (at least 30 years).

The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than other companies.

 


Packaging & Shipping



Packaging: Details Pallet with bubble film or with pallet,

 

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

 

EN 214 ductile iron manhole covers with superior quality made in China

EN 214 ductile iron manhole covers with superior quality made in China



FAQ


1. How about your price?

     A: As one of famous manufacturers of Ductile iron products inChina, Our prices are very favorable and competitive. The customers from all-over the world.

 2. What is your minimum order requirement?
     A: We will indicate the MOQ for each item in the quotation sheet. we accept the sample and trial order. If the quantity of single item can't reach the MOQ, the price should be sample price.

 3.How about your packaging?

   A:Our company provide packaging services.



Q: What are the casting parts used to test shrinkage holes?
2. x ray. This method can do nondestructive testing, but the cost is higher. Generally, high castings are required.
Q: What is the ejection angle of the die casting (Tan Gang)?
Because after the wax, wax parts will have a slight contraction, which is good for demoulding. Many moulds don't do the ejection angle
Q: Domestic large steel castings factory which is better, recommend!
At least spend money on research and development, then the quality should be all right.
Q: Is the cast steel a casting part?
Yes, molten steel is poured into the mold and cooled to become a casting. Can also cast iron, cast aluminum, plastic casting.
Q: It is generally said that cast iron is re smelted by pig iron. My question is..:1 pig iron for melting iron, is directly cast into products (such as bed cover, etc.); or that is just the first pig iron smelting iron casting, such as to cover, bed and other products, will once again cast iron melt to casting?2, there are many castings to the engine. Are these castings made by the engine manufacturer themselves or bought by others?There is no need to answer all. Thank you!!!
1, qualified enterprises will directly iron ore into molten iron, and then poured into the mold, such a good product performance. I work in the cast iron industry, which I can tell you for sure.2, this, like the Great Wall Motor Company has its own parts production department, as well as the corresponding mold center, so it will be their own casting. If the manufacturer does not have these departments, they can only place orders for others to do.
Q: How much is the amount of electrophoretic paint per square meter used in the casting?
In general, when the final thickness of 15-20 microns, cathode electrophoresis paint can be coated per kilogram of 6-8 square meters, the current general cathode electrophoresis paint for the price of 22 yuan / kg, so the cathodic electrophoresis electrophoresis paint cost at 4 yuan / square meters.
Q: As shown, how do I achieve the tightness test of this product, and achieve industrial production? Seek expert advice.
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
Q: Would you please tell me how to use casting parts for a year?The cast of an aircraft wing needs to be put aside for a year before it breaks;Does anyone know why?
3, the resonance method is cast on its resonant frequency vibration 1060ndn, to eliminate the residual stress in casting.
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: 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.

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