• Ductile Iron Manhole Cover of Light Duty Made in China System 1
  • Ductile Iron Manhole Cover of Light Duty Made in China System 2
  • Ductile Iron Manhole Cover of Light Duty Made in China System 3
  • Ductile Iron Manhole Cover of Light Duty Made in China System 4
  • Ductile Iron Manhole Cover of Light Duty Made in China System 5
  • Ductile Iron Manhole Cover of Light Duty Made in China System 6
Ductile Iron Manhole Cover of Light Duty Made in China

Ductile Iron Manhole Cover of Light Duty Made in China

Ref Price:
get latest price
Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
4000 set/month

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Specification

Usage:
Construction
Surface treatment:
Painting
Certification:
ISO9001 2008
Standard:
EN124 Standard
Material:
ductile iron
Brand Name:
CMAX
Dimensions:
Customer Required
Type:
Moulding Press
Specification:
OEM
Service:
OEM Service
Shape:
Square,round
Color:
Grey, Black

Product Description:

 


1) Designs: based on EN124 standard and according to customer's drawing or

samples.


2) Applications: water supply and drainage, fire engineering, natural


3)Surface treatment: Painting


4)Process: Casting. Deburring .Drilling .threading


5)Certification: ISO9001:2008


6)Standard: EN124 Standard







Advantages:

 

1.Higher quality /higher tensile
2.Higher security /long life

3.Possibilities of new locking systems





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 Made in China







Specification:



No.Item No.ClassClear Opening(mm)Frame Size(mm)Frame Size(mm)Unit Weight (kg/set)
1PCE300C250200×200300×30035
8
2PCE400C250300×300400×40040
22
3PCE500C250400×400500×50045
26
4PCE550C250500×500550×55045
30





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.






Pictures:









 

FAQ:

 

1. What is your products advantage?


A. All kinds of size as customer's requirements;


B. Small quantity trial order is welcome


C. Customized design is available and free, Such as Color, Logo, Panel, Load and Dimension etc.


D. Quality control and promptly delivery


E. Good after sales service


2. What is your payment?


T/T, L/C, D/P Western Union or as customer's requirements.


3. How about the shipment?


A. Small quantity you can choose by air


B. Less than one container you can choose LCL shipment by sea


C. One container or more than one container you can choose FCL shipment by sea.

 




Q: Explain the heat treatment effect of casting parts, forging parts and welding parts
2 improve the crystal structure, enhance the formation and stability of spherical carbon crystal;Forgings are generally stress bearing members, and most of them are made of high strength medium carbon steel (alloy), which is formed by forging and fine crystalline. After the shell is annealed or quenched and tempered, the mechanical properties of the shell are more superior, and it has better strength and better elasticity;Welding materials.
Q: Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
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: Casting parts have poor surface finish. What sand is used to make them?
V casting, EPC, precision casting of the surface is good.
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: What is the casting material?
Gray iron, carbon steel, low alloy steel, ductile iron, stainless steel, Aluminum Alloy can all be cast out
Q: Why do casting parts have air holes?
Cangshan Qiao hidden his answer is quite comprehensive, you can try using inert gas to reduce air cover
Q: Cause of choking of casting parts
Is it boiling from the picture? Does it sound like a fire? If not, it's not choking. I feel like choking. The gas doesn't drain out
Q: Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!
Increase the refractoriness and looseness of core sand
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.

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