• EN 214 ductile iron manhole cover with high quality in Hebei System 1
  • EN 214 ductile iron manhole cover with high quality in Hebei System 2
  • EN 214 ductile iron manhole cover with high quality in Hebei System 3
  • EN 214 ductile iron manhole cover with high quality in Hebei System 4
  • EN 214 ductile iron manhole cover with high quality in Hebei System 5
  • EN 214 ductile iron manhole cover with high quality in Hebei System 6
EN 214 ductile iron manhole cover with high quality in Hebei

EN 214 ductile iron manhole cover with high quality in Hebei

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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) production standard: EN124 from A15 to F900

2) Material: grey iron, ductile iron

3) Type:round type and Square type,triangle

4) Superior quality and anti-corruption

5) we can produce as per customers'drawings

6)ISO9001:2008

EN 214 ductile iron manhole cover with high quality in Hebei

EN 214 ductile iron manhole cover with high quality in Hebei



Specification


Item No.ClassClear Opening(mm)Frame Size(mm)Unit Weight (kg/set)
D110D4001000*10001100*1100202
D100D400900*9001000*1000175


Advantages


Competitive prices, bending and impact strength, anti-rust, waterproof, long service life (at least 30 years).

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

EN 214 ductile iron manhole cover with high quality in Hebei

EN 214 ductile iron manhole cover with high quality in Hebei


Packaging & Shipping


Packaging: Details Pallet with bubble films, Cartons or with pallets,

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


EN 214 ductile iron manhole cover with high quality in Hebei

EN 214 ductile iron manhole cover with high quality in Hebei

EN 214 ductile iron manhole cover with high quality in Hebei


 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. What is your minimum order requirement?
We will indicate the MOQ for each item in the quotation sheet. we accept the sample and trial order. If the quantity of single item can't reach the MOQ, the price should be sample price.


3.Are you factory ?
      YES!  We are a professional ductile iron &gery iron casting  Factory in China.

4.How long can you make your quotation:
        Within 3 workdays after received your detailed product information 

5.Do you provide OEM Service?
       Yes, we provide OEM Service.



Q: How do casting parts remove stress?
Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment
Q: How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q: What are the casting parts tested?
The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.
Q: What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
Corundum sand: the main mineral composition is corundum alpha -Al2O3, used for investment casting, ceramic mold casting shell materials. The olivine sand: the main mineral composition of olivine (MgFe) 2SiO4, used in cast iron, non-ferrous alloy castings and high manganese steel casting molding sand and the core sand. Silica resources in nature resources, but suitable for casting with high SiO2 content of natural silica sand is not too much. Since 1951, China has carried out a general survey of the casting sand resources in the territory, but mainly limited to the main traffic lines and major industrial cities. Survey results show that Chinese can be used for natural silica sand casting is very rich in resources, a wide range of distribution. Inner Mongolia Zhelimumeng, natural silica sand reserves amounted to hundreds of millions of tons, the particle shape close to the circular, the content of SiO2 is about 90%. Fujian, Jinjiang Dongshan sea sand, the content of SiO2 is 94 to 98%, with a low volume of mud, are good natural silica sand. Are Duchang, Yongxiu Jiangxi County Xingzi, a large number of Quaternary lacustrine deposition of silica sand, the content of SiO2 is about 90%, low iron content, alkaline oxide less, uniform size, is a good lake sand. Guangzhou, Hunan and other places have abundant easily broken weathered sandstone, processing artificial silica sand, the content of SiO2 in more than 96%, can be used for the production of steel castings. Jiangsu Nanjing red sand, sandy mud pure, moderate, strong permeability, good viscosity, high silica content, less water, fine particles, pulls out the casting is smooth, stable quality, can be made of cast iron and non-ferrous metal parts of the sand and core sand
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...
Q: How do you mark it on the drawing? Do you need to discuss it with the manufacturer?Because the casting allowance is the standard, then, after all, is the theoretical value, the actual level depends on the manufacturer, so is it necessary to ask the manufacturer?
The general foundry casting technology division will mark put shrinkage and the allowance of the map in your chart (usually with the red pen) for the production of wood or other material wood workers die drawings.
Q: Which surface is coarser for cast iron or cast steel castings? Why?
Roughness mainly depends on the surface roughness on the surface of the sand.
Q: My parts complex, machining costs are relatively high, so want to cast, but the surface needs anodizing, what material will be better?
The common material that can be anodized is aluminum alloy. It is recommended to use casting aluminum alloys, such as ZL102 and ZL105, which are commonly used as cast aluminium alloys. The processing of aluminum casting is easy. After processing, the surface of the whole part can be anodized. The color can be chosen.
Q: What do you mean by "proofing" in the casting? Do you charge for the proofing?
Proofing refers to making the first sample to confirm to the customer
Q: What's the cause of the choking of the casting?,
2. when casting mold exhaust condition is not good, in the casting material use consider whether and hinder its gas permeability; in the process to consider to release more pores, multi venting; core exhaust is particularly important.

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