HOT! D400 F900 ductile iron square manhole cover with lock & hinge

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cast iron manhole cover price
1.Material:ductile/grey iron
2.Load capacity:12.5 Tons
3.ISO9000

cast iron manhole cover price

Features:

Product Name	cast iron manhole cover price
Application	construction and public use
Product information	Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free from sand holes, blow holes, distortion or any other defects
Material	a) Ductile Iron GGG500-7 & 400-12 b) Grey Iron GG20
Process	a) Molding boards b) Green sand with hand molding C)Automatic machine lines
Coating	a) Cold applied black bitumen b) Without coating c) Coating as per customers' requirement
Advantages	Smooth and free from sand holes, blow holes, distortion or any other defects
Packing	A) Wooden Pallet B) Plywood Pallet C) Steel Pallet D) As per customers' requirements

More information is available upon receipt of your enquiry.

You will get our quick reply!

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: 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: the parts of the threaded hole is casting, casting the hole directly, and then tapping or casting, and then punch 10When the casting is ready, punch it again before tapping it Is the hole casting good or is it punched and tapped on the drilling machine after casting?: 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 have poor surface finish. What sand is used to make them?: V casting, EPC, precision casting of the surface is good.

Q: How to cast iron and wrought iron collocation: 2, listen: Pig beating sound boring, wrought iron beating sound loud.

Q: Why do casting parts have air holes?: There are many reasons for casting porosity, mainly due to:1. smelting process is unreasonable, metal liquid absorbs more gas;2. the gas in the mold invades the metal liquid;3. from the mold is more water brush, core dry;4. the casting has poor ventilation;5. ladle tools are not dry.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 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: The difference between sheet metal and casting parts: Sheet metal refers to the metal sheet (which can be bent straight board, etc.) generally uniform thickness, can obtain the required parts by stamping, molding, welding, splicing and other processing methods.