• Ductile Iron Manhole Cover of Light Duty with Square or Round System 1
  • Ductile Iron Manhole Cover of Light Duty with Square or Round System 2
  • Ductile Iron Manhole Cover of Light Duty with Square or Round System 3
  • Ductile Iron Manhole Cover of Light Duty with Square or Round System 4
  • Ductile Iron Manhole Cover of Light Duty with Square or Round System 5
  • Ductile Iron Manhole Cover of Light Duty with Square or Round System 6
Ductile Iron Manhole Cover of Light Duty with Square or Round

Ductile Iron Manhole Cover of Light Duty with Square or Round

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) Material 
a) Ductile Iron GGG500-7 & 400-12 
b) Grey Iron GG20

2) Designs.
a) EN124 A15, B125, C250, D400, E600 and F900 
b) A60005 for casting design 
c) Major standards designs available 
d) As per customers' drawings or samples 
3) Process 
c) Molding boards 
d) Green sand with hand molding 
4) Coating 
a) Cold applied black bitumen 
b) Without coating 
c) Coating as per customers' requirements

 


Ductile Iron Manhole Cover of Light Duty with Square or Round

Ductile Iron Manhole Cover of Light Duty with Square or Round



Specification

No.Item No.ClassClear Opening(mm)Frame Size(mm)Frame Height(mm)Unit Weight (kg/set)
1CHB40B125310×310400×4003018
2CHB50B125400×400500×5001017
3CHB60B125500×500600×6005026
4CHB70B125600×600700×7005037



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 Iron Manhole Cover of Light Duty with Square or Round

Ductile Iron Manhole Cover of Light Duty with Square or Round


 

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. 

 

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. After the cooperation: Any of your problem will be solved within 24 hours.

 

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: How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q: What is the reason for 304 stainless steel precision casting parts to be changed?
304 stainless steel is easier to change than ordinary steel. Because the 304 heat conductivity is lower than that of the low doped steel, the temperature is even more uneven, and 20% of the non ferrous elements also make the distribution of internal and external elements more uneven, hard and soft inside. Each of these two produces greater internal stresses, resulting in a variant.
Q: What should I pay attention to when designing a casting structure?
1 of the casting in metal mold cooling was faster than sand, metal type and let, thus casting in metal mold casting, casting stress generated in the ratio of sand casting to crack tendency is also large, but also prone to misrun and cold lap, white (for casting casting). Defect. Usually: (1) in the prevention of metal casting casting crack aspect should pay attention to the following problems: the structure of A in wall thickness, wall transition and connection to the ease, corner fillet appropriate requirements such as should be more strict than sand casting; B should be connected vertically connected with the wall to tilt C; for the weak parts of the structure should be set to strengthen ribs, bosses, to prevent casting; D should minimize the obstacle free shrinkage of the boss, casting rib, flange and other prominent part; E in the casting arrangement of ribs, but also should consider its influence on the casting shrinkage.
Q: Does anyone know how to make precise casting parts for aerospace or manufacturers of single and small quantities of automotive parts and components, mainly in Beijing, Tianjin and Tangshan?
List of China's military enterprises list of ten major military groupsChina Nuclear Industry Construction Group CorporationChina Aerospace Science and Technology CorporationChina Aerospace Science and Engineering CorporationChina Aviation Industry CorporationChina Aviation Industry Corporation IiChina State Shipbuilding CorporationcsicChina North Industries Group CorporationChina South Industries Group CorporationChina National Nuclear CorporationKey military enterprisesShipbuilding industry:China State Shipbuilding Corporation (South ship group), (China Shipping Group)China Shipbuilding Industry Corp (North Ship group), (China Shipbuilding Industry)Guangzhou Shipyard International Limited by Share Ltd (GSI)Jiangnan Heavy Industry Limited by Share Ltd (Jiangnan Heavy Industry)Nuclear industry:China National Nuclear Corporation (CNNC)China Nuclear Industry Construction Group Corporation
Q: How can the casting be quenched and tempered?
Return, general castings (especially steel castings) commonly used heat treatment process is normalized and tempered. Of course there are completely by annealing or remove stress annealing...
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: Why do casting parts have air holes?
There are many reasons for casting porosity, mainly due to:1. smelting process is unreasonable, metal liquid absorbs more gas;2. the gas in the mold invades the metal liquid;3. from the mold is more water brush, core dry;4. the casting has poor ventilation;5. ladle tools are not dry.Wait。
Q: What are the general technical requirements for casting parts?
What kind of casting do you want to know? Copper parts, iron pieces, aluminum pieces??? Their casting conditions are different.
Q: Can the casting part be phosphating with the phosphating solution of the pickling board?
If it is Phosphating for painting, it is not necessary, because the surface of the casting is rough and can be firmly bonded with the paint film.
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,

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