• Electrical ductile iron manhole cover EN124 D400 System 1
  • Electrical ductile iron manhole cover EN124 D400 System 2
  • Electrical ductile iron manhole cover EN124 D400 System 3
  • Electrical ductile iron manhole cover EN124 D400 System 4
  • Electrical ductile iron manhole cover EN124 D400 System 5
  • Electrical ductile iron manhole cover EN124 D400 System 6
Electrical ductile iron manhole cover EN124 D400

Electrical ductile iron manhole cover EN124 D400

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
4000 set/month

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Specification

Yield stress:
320Mpa
Weight:
65kg
Load weigh:
250KN
Tensile strength:
500Mpa
Coating:
bituminous paint

Product Quality:

Service life: 30 years . (We guarantee that our manhole covers won’t break and out of shape after 30 million times roller

compaction. ) High strength, high elongation and high corrosion resistance’s ductile cast iron be used as the raw material

for making manhole covers. Its strength is much higher than No.45 superior carbon steel, 3~5 times higher than common

 cast iron covers. 10~30 times higher than cement, resin, steel fiber and s

Specifications

1.Material:Ductile Cast Iron
2.Standard:ISO 9001:2008 EN250
3Coating:bituminous paint
4.Load weight:250KN

 

Ductile Iron Gully Grating

Feature:

1)Product information

Surface is smooth , free from sand holes, blow holes, distortion or any other defects.

2)Material Ductile Iron GGG500 / Grey Iron GG20.

3) Designs As per customers' drawings or samples.

4)Process Green sand with hand molding.

5) Coating Black Bitumen Coated, Without coating or Coating as per customers' requirement.

6)Packing wooden pallet with plastic layer or according to customers' request

We are an ISO9001:2000 certified enterprise in China, specializing in manufacturing various kinds of of ductile iron grating manhole covers .



Packaging & Shipping


Packaging: Details Pallet with bubble film, Carton or with pallet,

Delivery Detail: 30-45 days


Electrical ductile iron manhole cover EN124 D400


Advantage of ductile iron


Higher quality /higher tensile
Higher security /long life

Possibilities of new locking systems


Our Company


We take pride to introduce ourselves as the leading manufacturer and professional supplier of various Ductile Iron Manhole covers in China with total annual capacity 50,000 MT.

CNBM manhole cover regard quality as the essential factor leading to successful business. After years of efforts, CNBM manhole cover have built up great reputation in terms of quality and service among domestic and overseas customers. Our customer come from America, Morocco , saudi arabia, Iran , Algeria and so on

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



Electrical ductile iron manhole cover EN124 D400


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: There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump
German winter three step mirror polishing 2013 new processYou can free proofing!
Q: What are the casting parts used to test shrinkage holes?
3 fluorescent magnetic powder, this method can also be found in part.
Q: What are the factors affecting the machining process of the casting material and structure?
Medium carbon steel begins, and the casting can not be punched and tapped directlyStainless steel, ordinary grade (Fe based alloy element content, less) can not do heat treatment. But processing small holes or tapping to heat treatment (solution. In practice, the annealing treatment can also be). There are a lot of stainless steel matrix is not to say, for example, nickel, cobalt and tungsten. And so on.
Q: The casting defects of pores, trachoma how to repair?
Metal repair can be used to fill the repair. Airhole 2mm following LT102 recommend the use of liquid metal repairing agent.
Q: What are the effects of stiffeners on castings, or on welded parts (for 2 tons or less), casting or weldments on stiffeners?
Please consider the following points:1, batch: if the product batch is very large, casting will certainly have advantages, cost sharing will be very low. If less, it is recommended to use weldments.2. Reinforcement structure: if the structure is relatively simple, it is recommended to use welded parts, complex, preferably casting.
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: As shown, how do I achieve the tightness test of this product, and achieve industrial production? Seek expert advice.
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
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: Which master knows how the casting tolerances for malleable iron, gray iron and ductile iron should be chosen? Hurry up, thank youCan you provide a tolerance scale for castings, please?
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q: The difference between sheet metal and casting parts
Commonly used in machine tools casting material is gray cast iron, casting bearing alloys can also be.

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