Cast Ductile Iron Manhole Covers With EN124 Standard Made by Professional suppliers in China

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Product Description

1. Sample is available for free.

2. OEM and ODM are welcome.

3. Our price: we are the factory, we provide the most competitive price with good quality, and large order quantity will get big support by us!

4.Packing: Steel or wood pallet, or as per customers' requirements'

Cast Ductile Iron Manhole Covers With EN124 Standard Made by Professional suppliers in China

Good compressive, water-proof, hot sale around the world,anti-corrosion, serviceable life (at least 30 years).

Anti-theft, anti-corruption.

Packaging: Details Pallet with bubble film, Carton or with pallet,

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

Cast Ductile Iron Manhole Covers With EN124 Standard Made by Professional suppliers in China

1. What is your payment?

T/T, L/C, D/P Western Union or as customer's requirements.

2. How about the shipment?

A. Small quantity you can choose by air

B. One container or more than one container you can choose FCL shipment by sea.

Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?: The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.

Q:ZGMn13 casting parts processing, with what knife head good?: its surface wear resistance is high; the two is with the gradual wear of surface hardening, the hardening layer is continuously formed new if you have suggestions, processing, plasma cutting or flame cutting try

Q:Is the cast steel a casting part?: Yes, molten steel is poured into the mold and cooled to become a casting. Can also cast iron, cast aluminum, plastic casting.

Q:What are the requirements for casting steel castings?: 1, high quality requirements of the surface or the main processing surface should be placed below.

Q:My parts complex, machining costs are relatively high, so want to cast, but the surface needs anodizing, what material will be better?: Yes, the cast aluminium is polarized and gray, but the key problem is to guarantee the quality of the aluminium casting, and the quality of the other aluminium casting is not good.

Q:How can the casting be free of trachoma?: Measures for the prevention of trachoma in castings:1, sand compaction to high, paint two times;

Q:In the design of casting steps and precautions, for casting design, we have what experience?.: A: in the design of metal castings in a complex shape, if the production process is very difficult, should not affect the casting conditions, try to make the casting has simple shape, strong structure change, removed from metallic die for.

Q:Cause of choking of casting parts: Is it boiling from the picture? Does it sound like a fire? If not, it's not choking. I feel like choking. The gas doesn't drain out

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.

Q:What is the reason for 304 stainless steel precision casting parts to be changed?: Mainly because of the cooling shrinkage caused by internal stress caused. There is the change of temperature distribution in materials element imbalance, is typical of surface and internal, thin wall and thick wall, bottom and top.

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