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:General aluminum alloy die casting or casting box and other parts,
Aluminum alloy die-casting parts or casting box and other parts of the threaded hole, in the case of processing conditions, it is best to use wire tapping or machine tool processing! Direct casting is not advocated.
Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
1, gray cast iron: General graphite annealing, to be heat treatment annealing, surface hardening etc.; ductile iron can be various: annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical heat treatment.2. Pouring liquid metal into the casting cavity which adapts to the shape of parts. After cooling and solidification, the casting method is called casting. Castings obtained by casting are called castings. Casting structure design: ensure the working performance and mechanical performance requirements, consider the technical requirements and performance of alloy casting casting casting structure, casting structure design is reasonable or not, the casting quality, productivity and cost has a great influence.3. Heat treatment is a metal hot working process in which the material is in solid state by means of heating, heat preservation and cooling to obtain desired microstructure and properties
Q:How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
Yantai five God casting is generally 53 yuan /kg, the appearance is quite beautiful
Q:What's the effect of casting copper?
Riga. Copper is copper components, promote the graphitization of the copper element, make dense tissue, and to refine and improve the uniform distribution of graphite, which can reduce the chilling tendency of the cast iron, but also can promote the formation of pearlite, has a favorable effect on the section sensitivity. Copper has the tendency to strengthen cast iron, ferrite and pearlite, so it can increase the strength of cast iron. The tensile strength and bending strength of cast iron almost increase with the amount of copper in it, especially in low carbon cast iron.
Q:What's the density of casting?
There is a hot knot in the thick area, which easily causes microscopic shrinkage and makes the casting not dense. A riser may be added for shrinkage relief.
Q:How can the casting be quenched and tempered?
Another is the result of pre heat treatment (quenching or annealing) after quenching and tempering treatment, suitable for ZG35SiMNMo, ZG35CrMo and so on. Please tell the casting process is your product and material and then set tempered.: shutup:
Q:Tolerance standard for casting parts
Our country has a national standard for casting tolerance levels. This national standard applies to you in malleable iron, grey cast iron, and ductile iron.
Q:What is the casting material?
The casting material is usually made of gray cast iron, nodular cast iron and vermicular graphite cast iron
Q:What is the difference between casting and stamping parts?
The purpose of forming processes is to allow the sheet to undergo plastic deformation without breaking the billet and to make the desired shape and size. In actual production, a variety of processes are often applied to a workpiece. Blanking, bending, shearing, drawing, bulging, spinning and rectification are several main stamping processes. The difference between stamping parts and castings: with thin, uniform, light, strong features, stamping can be produced by other methods difficult to make, with stiffeners, ribs, UPS or flanging of the workpiece, to improve its rigidity. Due to the use of precision molds, the workpiece accuracy up to microns, and repeated high precision, specifications consistent, you can punch out of the hole, lug and so on.
Q:Selection of hydraulic press is the casting parts and steel plate welding, how to choose?
Casting parts in one shape, the overall processing in this regard than steel plate welding better. The same price is much more expensive than steel. Large hydraulic presses seldom have casting parts.

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