• Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 1
  • Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 2
  • Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 3
  • Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 4
  • Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 5
  • Ductile Cast Iron Square Double Seal Manhole Cover & Frame System 6
Ductile Cast Iron Square Double Seal Manhole Cover & Frame

Ductile Cast Iron Square Double Seal Manhole Cover & Frame

Ref Price:
get latest price
Loading Port:
Dalian
Payment Terms:
TT OR LC
Min Order Qty:
105 set
Supply Capability:
4100 set/month

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Specification

Shape:
Square,round
Process:
Casting. Deburring .Drilling .threading
Color:
black, Grey, green, blue and Marble
Standard:
EN124 Standard
Place of Origin:
Hebei, China (Mainland)
Type:
Moulding Press
Size:
Customer's Request
Brand Name:
CMAX
Service:
OEM Service
Surface treatment:
Painting
Certification:
ISO9001 2008
Connection:
Extrusion molding
Product Name:
OEM Products
Usage:
Construction, industry
Material:
Iron
Specification:
OEM

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

5)We can produce as per customers' drawings.

6)ISO9001:2008

Ductile Cast Iron Square Double Seal Manhole Cover & Frame

Ductile Cast Iron Square Double Seal Manhole Cover & Frame


Specification




No.Item No.ClassClear Opening(mm)Frame Size(mm)Unit Weight (kg/set)
1CHB40B125310×310400×40018
2CHB50B125400×400500×50017
3CHB60B125500×500600×60026


Advantages



Good compressive, 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. 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 Cast Iron Square Double Seal Manhole Cover & Frame

 

Our Services



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. 

 

FAQ

1.Q: Are you factory ?
      YES!  We are a professional ductile iron & grey iron casting  Factory inChina.
2.Q: How long can you make your quotation:
        Within 3 workdays after received your detailed product information 
3.Q: Do you provide OEM Service?
       Yes, we provide OEM Service.
4.Q: What 's  your quotation element?
        Drawing, material, weight and quantity.

Q: What is normalizing, annealing, tempering, quenching? What is the difference between forging parts and casting parts?
The aim is to make the grain fine and distribute the carbide evenly. The difference between normalizing and annealing is that normalizing cooling rate is slightly faster than annealing cooling rate, so normalizing structure is finer than annealing structure, and its mechanical properties are also improved. In addition, normalizing furnace cooling does not occupy equipment and has higher productivity. Therefore, normalizing may be used instead of annealing as much as possible. The main application areas of normalizing are as follows: for low carbon steel, after normalizing, the hardness is slightly higher than that of annealing, and the toughness is better. It can be used as the pretreatment of cutting. Used for medium carbon steel, instead of quenching and tempering, as the final heat treatment, or as an induction heating method before surface hardening. Used for tool steel, bearing steel, carburizing steel, etc., it can eliminate or restrain the formation of network carbide, so as to obtain the good organization of spheroidizing annealing. For cast steel, the microstructure can be refined and the machinability can be improved. Used for large forgings, which can be used as final heat treatment, so as to avoid larger cracking tendency during quenching.
Q: The casting defects of pores, trachoma how to repair?
If the repair after the high temperature resistance, choose LT737 high temperature repair agent.
Q: The casting sand is going on
3, prevention measures(1) to improve the strength of sand mold (core), especially surface strength, high temperature strength, refractoriness, compact, better coating, good core coating and parting surface coating.(2) mould and box can prevent damage;(3) the core should have clearance.
Q: What is the difference between forging parts and casting parts?
Forging is in hot state through the metal hammer or press equipment produced by forging parts. A casting is a metal that is liquid and is poured into a cavity of a specified shape and cooled and solidified. It is the forging metal soft pinch molding, and casting the metal into thin cooling solidification.Forged parts are costly and have long production cycles.
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: 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: The difference between cement sand castings, resin sand castings and vacuum casting parts
Vacuum casting is the process of using ventilation molds. Molten metal flows into the mold by air pressure, and then removes air to form a vacuum. The casting process is mainly used for small parts or jewelry with exquisite detailsCompared with the traditional clay sand casting, heat hardening resin sand casting production with low surface roughness, high precision, good quality characteristics, dimensional accuracy of resin sand mold after hardening with good rigidity and high, and not easy to deform, so in the choice of process parameters, mechanical processing you can select a smaller margin, thereby reducing the consumption of metal solution and machining cost, which can improve the dimensional accuracy of castings.
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: In the design of casting steps and precautions, for casting design, we have what experience?.
A: in the design of metal castings in a complex shape, if the production process is very difficult, should not affect the casting conditions, try to make the casting has simple shape, strong structure change, removed from metallic die for.
Q: The difference between sheet metal and casting parts
Casting parts are made by casting (followed by a variety of processing), the shape can be simple, can also be very complex, usually large parts, as a base, bed, work table, and so on, good seismic performance.

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