• 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:
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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
4000 set/month

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Item specifice

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:Why does the precision casting factory not usually make iron castings?
The so-called precision parts is the size, roughness requirements of the piece. Cast iron parts generally do not reach the accuracy.
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:Can the casting part be phosphating with the phosphating solution of the pickling board?
Phosphating. But it's not necessary. Because casting parts have strong corrosion resistance.
Q:What are the casting parts processing engineering?
According to the classification of process methods, sand casting and special casting.
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:Cause of choking of casting parts
The reason is not in the coated sand, see coating gas evolution, the best use of zircon powder coating (low gas evolution), there is a mold according to a vent needle, this depends on your way is flat or vertical pouring pouring pouring, if vertical pouring, venting pin on the die, and the big piece how could the plane, pouring water flat, a breath, a taboo ah!
Q:What should I pay attention to when designing a casting structure?
(2) in the prevention of metal mold casting misrun and cold partition should pay attention to the following problems: the structure of A casting thickness should be appropriate not too thin, especially when casting size when not too thin; the B should avoid a big level, because it makes the liquid metal in the casting. Rise slowly, and the air contact surface, easy oxidation, and because the metal type liquid metal heat quickly, quickly lose liquidity, easy to cause misrun and cold lap, slag and other defects; C casting shape should be streamlined to avoid sharp corners and has sharp change connection structure in order to facilitate the flow of liquid metal. 2 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:Casting blank in the cooling process to release a large amount of heat energy, what can be recycled?
Casting, do not need to provide a rough casting foundry drawings, according to your chart will put foot margin in the processing needs of the surface, the rest of the size can be found according to the mechanical design manual and manual casting. General Casting Factory Casting Division will be in your chart marked on shrinkage and processing margin figure (usually with red and green pen) to the patternmaker production of wood or other material mould diagram.
Q:The cause of fracture and why there is no toughness
This question is too broad, see what the casting casting Oh in order to reduce the wayward cast steel, ductile iron, gray iron and white iron, you can choose the material according to their own requirements.
Q:When there is no flaw detection for large casting parts, is there any crack inside?
Cracks are considered serious levels of defects and should be repaired

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