• Ductile Cast rion environmental protection manhole covers System 1
  • Ductile Cast rion environmental protection manhole covers System 2
  • Ductile Cast rion environmental protection manhole covers System 3
  • Ductile Cast rion environmental protection manhole covers System 4
  • Ductile Cast rion environmental protection manhole covers System 5
  • Ductile Cast rion environmental protection manhole covers System 6
Ductile Cast rion environmental protection manhole covers

Ductile Cast rion environmental protection manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
3000 set/month

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Quick Details


1.Place of Origin: Hebei, China (Mainland)

2.Brand Name: CMAX

3.Model Number: EN124 Standard

4.Application: Construction

5.Material: Iron

6.Dimensions: OEM

7.Surface treatment: Painting

8.Process: Casting. Drilling. Threading

9.Certification: ISO9001:2008

10.Standard: EN124 Standard

11.Name: Iron Casting Parts

12.Color: Grey

13.Type: Moulding Press

14.Service: OEM Service

15.Size: Customer's Request


Company Information


CNBM International Corp., established in 2004, is the business entity for trade and logistic of CNBM Group.  

CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 160 countries and regions all over the world.

CNBM Ductile Iron manhole cover A15-F900 complying with EN 124 Standard

Item


Ductile Cast rion environmental protection manhole covers
Brand name   CMAX
Size200mm-1000mm
Type:Round,square
MaterialGray Iron, Ductile Iron, Malleable iron
Coating

Cold applied black bitumen Antirust oil, Plating, Paint, Powder Coating, epoxy coating 

or as per customers' requirement.

ApplicationMunicipal construction
Loading pressureEN124 A15,B125,C250,D400,E600,F900, or as per customers' drawings or samples.
Advantages Anti-noise ,Anti-theft,anti-rust,long life service.
PackagePallet and wooden case,or as per customers’ requirements


Features

 

1.Higher quality /higher tensile

2.Higher security /long life

3.Possibilities of new locking systems

4. 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.



Ductile Cast rion environmental protection manhole covers


Ductile Cast rion environmental protection manhole covers


Advantage of ductile iron


Higher quality /higher tensile
Higher security /long life

Possibilities of new locking systems



 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.


Specifications


Ductile Cast rion environmental protection manhole covers



Q: Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
This is difficult to say, the key is to see the specific parts and components, the final mechanical performance requirements.For example, gray cast iron, usually graphite annealing, to heat treatment annealing, surface quenching and so on, ductile iron can be a variety of annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical treatment and so on, in a word, heat treatment of steel can usually, nodular cast iron can do. Malleable cast iron and vermicular cast iron are often subjected to graphitization annealing and stress relieving annealing, while wear-resistant cast irons often undergo quenching + low temperature tempering, and so on.Welding is the case, such as bearing steel welding must be quenched + low temperature tempering, machine spindle welding (repair welding) must be quenched and tempered treatment, and so on. Of course, if it is a general weld, there is no need for heat treatment or, at most, stress relieving annealing.
Q: What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?
4, the performance requirements of the steel: whether castings or welding parts, there may be quality defects, but the casting will generally be worse than the weldment.You should be able to make a choice in the end.
Q: the parts of the threaded hole is casting, casting the hole directly, and then tapping or casting, and then punch 10When the casting is ready, punch it again before tapping it Is the hole casting good or is it punched and tapped on the drilling machine after casting?
There are several casesThe first hole with a diameter of less than 4MM is generally not done, or as a hole location only for a period of less than 10MM.Second for the big hole, some of the reasons for the holding force, we must increase the slope, direct tapping is unlikely, so it still needs post-processingThird for products with high tightness requirements, some cores need to be made even if they are very small, so they can be tapped directlyFourth, some due to technical requirements, regardless of the size of each other's requirements must be made, there is no wayThe above methods are common, and they will encounter many small problems in actual production.
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: What is the difference between casting and stamping parts?
Cold stamping is generally no longer done by cutting, or only a small amount of cutting is required. The precision and surface state of hot stamping parts are lower than those of cold stamping parts, but they are better than those of castings and forgings, and the amount of cutting is less.Stamping is mainly based on process classification, can be divided into separation process and forming process two major categories.
Q: We are small castings, the need for surface treatment of shot blasting machine, about how much?
The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine,
Q: Which surface is coarser for cast iron or cast steel castings? Why?
The surface of the steel is more rough, because the coating sand cast steel cast iron particles compared with graphite coating degree, the other one is to get a better air permeability and collapsibility of sand, the compaction degree is smaller than iron.
Q: When there is no flaw detection for large casting parts, is there any crack inside?
According to the industry standards, within the scope of the standard requirements to determine whether the product is qualified
Q: What are the general technical requirements for casting parts?
Satisfy appearance quality (appearance defect, quality change, size deviation)Intrinsic quality (composition, properties, internal organization)Service performance (abrasion resistance, corrosion resistance, heat resistance, pressure resistance)
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.

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