• New design ductile iron manhole cover for miining in Hebei Province System 1
  • New design ductile iron manhole cover for miining in Hebei Province System 2
  • New design ductile iron manhole cover for miining in Hebei Province System 3
  • New design ductile iron manhole cover for miining in Hebei Province System 4
  • New design ductile iron manhole cover for miining in Hebei Province System 5
  • New design ductile iron manhole cover for miining in Hebei Province System 6
New design ductile iron manhole cover for miining in Hebei Province

New design ductile iron manhole cover for miining in Hebei Province

Ref Price:
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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) Type:round type and Square type,triangle

2) Sand casting

3) Anti-rust,anti-corruption

4)ISO9001:2008

5)Materials:Ductile iron


New design ductile iron manhole cover for miining in Hebei Province

New design ductile iron manhole cover for miining in Hebei Province




 

 

 

Specification




Item No.ClassClear Opening(mm)Frame Size(mm)Frame Height(mm)
CCUC30HKC250200*200300*30034
CCUC40HKC250303*303400*40035


a) Grey cast iron (GG)

Type description   EN-GJL-200/-300

Tensile strength       100 – 400 N/ mm²
Elongation     < 1 %  

Loading             400 – 800 N/ mm² 

Density   7.8 kg/ dm³ 

Property    very hard / brittle 

 

b) Ductile Iron (GGG)

Type description    EN-GJS-400/-700

Tensile strength    500 – 1100 N/ mm²

Elongation       2 – 15 %

Loading            700 – 1300 N/ mm²

Density   7.8 kg/ dm³

Property   deformable



Advantages



Good compressive, bending and impact strength, anti-corrosion,  serviceable life (at least 30 years).

The quality meets the same kinds casting iron manhole covers but the cost is 30% lower than other companies.


Packaging & Shipping



Packaging: Details Pallet with bubble film, Carton ,

 

Delivery Detail: 8 days if your order is 20"container

 New design ductile iron manhole cover for miining in Hebei Province



FAQ



1. How about your price?

     A: As one of famous manufacturers of Ductile iron products inChina, Our prices are very favorable and competitive. The customers from all-over the world.

2. Can I request to change the form of packaging and transportation?

 

   A: Yes, We can change the form of the packaging and transportation according to your requirement, but it maybe let your purchasing cost changed also.


3.How about your delivery time?

  A:Within 30 days after your placing your order.

 


Q:What is the ejection angle of the die casting (Tan Gang)?
Especially deep hole, and customers to discuss, generally take 0.3-1 degrees is enough
Q:What are the factors affecting the machining process of the casting material and structure?
The impact on the machining is obvious, it should be the material and heat treatment of the castingCarbon steel parts should be treated by heat treatment (annealing) without special conditions. It can effectively prevent the uneven hardness and hard points. It is easy to turn.
Q:How can the casting be plated with ordinary zinc plating? The coating is too thin and requires 0.08 thickness
Hot galvanizing doesn't seem to workThe zinc layer is 275g/ square meters of material coating is 0.019mm (mm), up to 0.08 thick.
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:Why should pig iron be used in casting?
Not necessarily is iron, steel, stainless steel, aluminum, copper can be cast iron, is cheaper, and better properties of cast out, for example, is not easy to rust, high strength, easy processing and so on, and is the only iron iron cast out, it is not necessarily the raw pig iron, plus some other material
Q:In theory, which is more expensive, forging parts or casting parts?
The structure of the casting is relatively flexible in design, and the modeling is easy to realize.
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!
Valve sand core mold drying is not in place, excessive water content
Q:What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing? In the casting industry is not called proofing, proofing is generally used in the printing industry, that is, according to the customer's drawings or samples, to do a first piece, to provide customers with the inspection process to meet their requirements;In the foundry industry, providing prototypes is sometimes difficult:1, customers if the provision of mold, it would be best, at this time, sample costs are very low, and almost the same as your regular products;2, the customer does not provide the mold, but in business relationships, your factory and not very sure must take this one, it requires your leadership decision-making, is free or low cost, or by a strict process offer (of course sample);3, not all of the casting process to provide samples are difficult, like lost foam can directly make a white NC prototype, and then assembled pouring, this is her unique advantages, first cost less than the opening process and so on;If you don't understand, you can continue to question me
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.
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...

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