manhole cover, sanitary sewer manhole cover, cast iron manhole cover

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Product Description:

specifications

1.manhole cover
2.15 years casting experience
3.Capacity:12000 Tons
4.QA and QC each batch

D400 E600 cast iron manhole cover

D400 E600 cast iron manhole cover

Product Description
>>Specification
MaterialDuctile iron,Grey iron,Carbon steel,Stainless steel,Alloy steel,Heat resistant steel,BrassAluminum etc
Unit Weight0.5kg~300kg
ApplicationAutomotive,Mining,Railway,Medical,Marine,Construction equipments,Mining ect.
StandardASTM, DIN, ISO, BS, JIS.
CertificateISO9001, TS16949
ProcessSand casting,Forging, Investment casting,Die casting,CNC machining, Stamping
FinishPowder coating,Painting,Shoot blasting,Hot galvanized.
Quality controlInstrument and manual inspection for every shipment

>>Manufacturing process

1.Sample or Drawing by customer

2.Tooling proposal&Discussion

3.3D Tooling Design

4.Tooling production

5.Rough parts manufacturer

6.CNC Machining

7.Fitting&Finish

8.Tooling Measurement&Check

9.Assembly

10.Trial Production

11.Correction

12.Final Trial

13.Samples Inspection

14.Sample Approval by customer

15.Tooling Approval

16.D400 E600 cast iron manhole cover

>>Our Features

1.Materials:Gray iron, ductile iron, malleable iron, carbon steel,Alloy steel, stainless

steel, aluminum, bronze, brass,etc.

2.Standard:JIS, DIN, ASTM, BS,GOST

3.Processes:Sand Casting, Investment Casting,Precision Casting,Forging,Stamping

,CNC Machining.

4.Surface treatment :Electro Zinc Plating Hot deep zinc plating,Electrophoresis,Powder

coating,Painting ,Shoot blasting etc.

5.Heat treatment :Induction furnace for raw material heating.Heat treatment of

continuous quench+temper+carburization available.

6.Machining:CNC machining centers for further machining process.


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Q:Casting parts have poor surface finish. What sand is used to make them?
Manual coal dust, clay sand is a little worse. Mechanical styling is not bad either.
Q:Tolerance standard for casting parts
The tolerance of a specific size can be obtained from the tolerance grade and nominal size of the casting.
Q:ZGMn13 casting parts processing, with what knife head good?
The ZGMn13 itself is not have processing, if only the processing point, sharpening, ordinary can, if the processing area is relatively large, ZGMn13 external impact load is bigger,
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.
Q:Where is the precision casting factory?
Shandong, DongyingThe birthplace of precision casting
Q:Why should pig iron be used in casting?
1, in the absence of special requirements, the most important thing is that the price is cheap.2, pig iron castings quenching process requirements are not high. You can do it by hand.3, pig iron casting hardness is very large, can meet many requirements.4, pig iron castings, high temperature resistance is relatively strong. Like stoves are pig iron castings.5, pig iron casting plasticity is very bad, but in some experiments, but use this weakness to improve the sensitivity of the experiment.Wait
Q:What kind of flaw detector is better for casting parts?
If the casting is very small, can be used for fixed magnetic detection machines, of course with fixed magnetic powder the testing machine, the best first contact the manufacturers, because the fixed magnetic particle testing machine belongs to the non-standard equipment, according to the workpiece size, different shape, manufacturing daily inspection and measurement.
Q:What is the ejection angle of the die casting (Tan Gang)?
Because after the wax, wax parts will have a slight contraction, which is good for demoulding. Many moulds don't do the ejection angle
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:Can the casting part be phosphating with the phosphating solution of the pickling board?
Like stainless steel casting, duplex stainless steel casting is phosphating, ductile iron gray iron is not required

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