• Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China System 1
  • Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China System 2
  • Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China System 3
  • Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China System 4
  • Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China System 5
Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China

Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers 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. 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, and large order quantity will get big support by us!
6. Professional technical support with free charge.

7.Packing 
Steel or wood pallet, or as per customers' requirements'

Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China

Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China




Specification


Item No.ClassClear Opening(mm)Frame Size(mm)
D90D400800*800907*907
D70D400600*600703*703


Advantages


Good compressive, water-proof, hot sale around the world,anti-corrosion, serviceable life (at least 30 years).


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 With EN124 Standard Made by Professional Manufacturers in China

Ductile Iron Manhole Covers With EN124 Standard Made by Professional Manufacturers in China





FAQ


1. How about your price?

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

2. What is your minimum order requirement?
    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.Are you factory ?
   YES!  We are a professional ductile iron &gery iron casting  Factory in China.
4.How long can you make your quotation:
   Within 3 workdays after received your detailed product information 

5.How about your service?

   We provide packaging service and after sale service as well.

Q: Why do cheap cars like stamping parts instead of casting parts?
We usually say that the stamping is usually refers to the cold stamping parts, for example, a piece of iron, wants to turn it into a fast food dish, it must design a set of mold, mold is working face plate shape, the pressure plate mold, it becomes you want the dishes, this is the cold stamping die stamping is the direct use of metal materials.Automobile stamping parts are mainly classified according to process, and can be divided into two major parts: separation process and forming process.
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: What method of casting does not rust? I think the sample is like oil
Close to the solder, and slowly dissolve is hot melt double-sided adhesive, otherwise it is oily double-sided adhesive.
Q: In theory, which is more expensive, forging parts or casting parts?
Compared with the price, the product with the same simple structure eliminates the material factorsThe forgings must be more expensive
Q: What is the reason for 304 stainless steel precision casting parts to be changed?
Steel deformation control is one of the most common problems in the metal processing industry. Any process will occur. The casting is the largest deformation and the least fine. It is generally used to produce blank blanks
Q: How much is the amount of electrophoretic paint per square meter used in the casting?
It was a very simple question, and it was complicated by what you said.
Q: Question, such as title, I hope I don't copy the definition of rolling and casting in Baidu encyclopedia, thank you
The performance is too extensive, I think the following several people all fall into the erroneous zone directly, the performance includes a series of aspects:Mechanical properties: tensile strength, yield strength, elongation and contraction ratio of section and impact toughness after etc.
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?
There are various casting stresses after casting, which can be divided into two kinds: thermal stress and shrinkage stress. In a long time placed in the atmosphere, called aging treatment.Aging treatment is an effective measure to eliminate casting stress. Aging is divided into natural aging, thermal aging and resonance aging.1, the so-called natural aging, the casting is placed in the open field for more than half a year, so that the internal stress relief.
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!!
Problem one,1, according to drawings, castings, material requirements and machine power, choose the right diameter of roughing tools, and can process this material blade type.2, according to the actual size of the casting blank, calculate the number and path of the knife, pay attention to small cutting depth, large feed, cutting width, to ensure that the tool diameter 80 - 90%, the amount of not full knife cutting, this tool and machine tool damage.Question two,If they can not change the casting blank allowance under the condition that the quantity large diameter cutter, such as milling cutter main angle 7560 degrees can give reasonable processing parameters, the same cutting depth should not be too large, because in the same machine power, tool diameter increases, cutting depth will need smaller.
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, its surface wear resistance is high; the two is with the gradual wear of surface hardening, the hardening layer is continuously formed new if you have suggestions, processing, plasma cutting or flame cutting try

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