Ductile iron manhole cover C250

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Packaging & Delivery

Packaging Detail:standard wooden pallet or as your requirement
Delivery Detail:as per your oder

Specifications

ductile iron Manhole Cover
1.material:ductile iron/cast iron
2.EN124
3.type:A15 B125 C250 D400 E600 F900
4.service:OEM

Light Duty Ductile Iron  Manhole Cover

Product Description:

1) standard: EN124

2) material: cast iron, ductile iron,

3) type:round / square/ triangle

4) producing: sand casting

5) class: A15 B125 C250 D400 E600 F900
6) shape: round/rectangle or asper your requirements

7) color: black/ grey or asper your requirements
8)  size: according to your requirements

9)  service: OEM

Packing&Shipping:

packaging: standard wooden cases with bubble plastic bags for each item or as per your requirements

 delivery detail: 25-30 days


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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:Why does the surface of stainless steel casting mirror mirror ripple?
Those should be head prints. If required, it would be better to throw with a single grinding head.
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:Casting parts in rocker arm drilling, reaming, roughness, block.
Not processed, do not understand your problem... There's something wrong with the drilling machine. Please call me
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.
Q:Is the cast steel a casting part?
Cast steel is one of the casting parts that you call. The material is made of carbon steel or alloy steel, stainless steel, etc. the method is cast
Q:Tolerance standard for casting parts
Usually manual molding optional CT11 class, ordinary machine modeling optional CT10 class, high pressure molding should reach CT9 level. The tolerances on the wall thickness of the casting are comparable to those of other dimensions of the same casting.
Q:What is the difference between the casting drawing and the car work drawing?
Yes, casting drawings are casting drawings with machining allowances, slopes, and gating systems
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:Heat treatment process and purpose of casting parts
Objective: to stabilize tissues, eliminate or substantially reduce internal stress.

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