• Casted OEM ductile iron manhole covers with high quality for industries with frames System 1
  • Casted OEM ductile iron manhole covers with high quality for industries with frames System 2
  • Casted OEM ductile iron manhole covers with high quality for industries with frames System 3
  • Casted OEM ductile iron manhole covers with high quality for industries with frames System 4
  • Casted OEM ductile iron manhole covers with high quality for industries with frames System 5
Casted OEM ductile iron manhole covers with high quality for industries with frames

Casted OEM ductile iron manhole covers with high quality for industries with frames

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.Standard:ISO9001,EN124
2.Applicable medium:gases,liquids,steam
3.Materail:ductile iron,Gray cast iron

Tested item standad

Compressive strength (Mpa)>30

Modulus of elasticity(kg/cm2)>1.4*104

Cold-hot resistance measure<0.4< span="">

Water-absorption<1.0< span="">

Casted OEM ductile iron manhole covers with high quality for industries with frames

Casted OEM ductile iron manhole covers with high quality for industries with frames









Specification



Item No.ClassClear Opening(mm)Frame Size(mm)Unit Weight (kg/set)
TD1222D4001220*6751370*83080.5



Advantages



Competitive prices, water-proof,bending, anti-corrosion, not rust, long service life (at least 30 years).


· Higher security /long life

· Possibilities of new locking systems


Packaging & Shipping



Packaging: Details Pallet with bubble film, Carton ,

 

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

 


Casted OEM ductile iron manhole covers with high quality for industries with frames

Casted OEM ductile iron manhole covers with high quality for industries with frames



FAQ


1.Can I get free samples?

A: Yes, we can provide you the free sample, but you need to bear their own delivery costs.

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 request, but you have to bear their own costs incurred during this period and the spreads.


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.
Q: There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump
Buffing should be better, to see how your embryo, but a bit difficult
Q: How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
The material is usually steel material price plus the cost (per ton of 2.5-3 million, plus profit).In the Yangtze River Delta region, generally 304 casting price of about 5-5.5 million / ton.The price will be higher if the parts are complex, or a piece weighs less than 100 grams.
Q: Casting parts by shot blasting, spray painting, baking after the formation of very small rust spots, how to solve ah?
The first process is very important. Shot blasting must be thorough. The solution is to wipe the surface of the paint with a release. Re shot
Q: What method of casting does not rust? I think the sample is like oil
The surface of a general casting is easy to rust. In order to prolong the rusting period, antirust paint or antirust oil is usually sprayed. What you said should be anti rust oil.
Q: After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.
Radial drilling machine can achieve boring, reaming function, but as much as you want, according to your requirements and material to determine!
Q: How to cast iron and wrought iron collocation
3, if you have a file in the hand, can be used to file to see finish can also make a judgment from the file down the iron can also be seen, but this is beyond your request, it can be done in the factory. 4, if placed in the grinder grinding, see iron spark from a judge or iron wrought iron, but this is only to do in the factory. About it, may not be full, but through these methods, generally can distinguish between iron or wrought iron.
Q: How can the casting be quenched and tempered?
Cast steel annealing or normalizing parts in strength and toughness is insufficient, can be used in quenching and tempering treatment. It is mainly used for gear, gear and other parts of the cast steel. The conditioning has two kinds: one kind is cast directly after quenching and tempering, with warm water (40---50 degrees) intermittent cooling, suitable for ZG270---500, ZG310----570 and other castings.
Q: Cause of choking of casting parts
Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects
Q: What's the cause of the choking of the casting?,
Causes of choking fire:1., casting material in the pouring of gas;

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