Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China System 1

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China System 2

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China System 3

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China System 4

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 set

Supply Capability:: 4166 set/month

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Product Description

1) production standard: EN124 from A15 to F900

2) Material: grey iron, ductile iron

3) Type: round type and Square type, triangle

4) Sand casting

5) we can produce as per customers' drawings

6) ISO9001:2008

Cast Ductile Iron Manhole Covers B125 C250 for Mining with Competitive Prices in China

Specification

Item No.	Class	Clear Opening(mm)	Frame Size(mm)	Frame Height(mm)	Unit Weight (kg/set)
PBC700	B125	600×600	700×700	40	37
PBC800	B125	700×700	800×800	40	47

Advantages

Good compressive, bending and impact strength, anti-corrosion, not rust, long service life (at least 30 years).

The quality meets the same kinds cast ion manhole covers but the cost is 30% lower than other companies.

Packaging & Shipping

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 B125 C250 for Mining with Competitive Prices in China

FAQ

1.Can I get free samples?

A: Yes, we can provide you the free sample, but you need to bear their own delivery costs.

2.Can I request to change the form of packaging and transportation?

A:Yes,We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3.Can I request to advance the shipment?

A: It should be depends on whether there is sufficient inventory in our warehouse.

4.Can I have my own Logo on the product?

A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?: The types and uses of foundry sand according to the mineral composition of different silica sand and non siliceous sand is divided into two categories. The main mineral composition of silica SiO2.: natural silica sand used for non-ferrous metal casting, cast iron and steel castings in small sand and core sand. The selection of natural silica sand: used in organic matter as the binder of various sand and core sand. The artificial sand for sand and core sand castings. Non siliceous sand and non siliceous sand have many kinds and different uses. Limestone sand: crushed by limestone, the main mineral composition is CaCO3, used for casting sand and core sand. Zirconium sand: the main mineral composition is ZrO2 SiO2, used for large steel castings and alloy steel pieces of core sand or sand surface sand, or powder used as coating. Magnesia: the main mineral composition is MGO, used for high manganese steel casting surface sand, core sand, and its powder can be used as coating. Chromite ore: the main mineral composition is chromite FeO. Cr2O3, used for large or special casting steel surface sand, core sand, its powder can be used as coating.

Q:Why does the precision casting factory not usually make iron castings?: The so-called precision parts is the size, roughness requirements of the piece. Cast iron parts generally do not reach the accuracy.

Q:Why do cheap cars like stamping parts instead of casting parts?: Separation process is also called blanking, the purpose is to make the stamping parts along a certain contour line from the sheet metal separation, at the same time guarantee the quality requirements of the separation section. Stamping is a highly efficient production methods, the use of compound die, especially the multi station progressive die stamping process can be completed in a multi machine, realized by belt uncoiling, leveling, punching, forming and finishing automatic production. High production efficiency, good working conditions, low production costs, can produce hundreds of parts per minute. 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 straightening are the main types of stamping machines.

Q:What is the difference between forging parts and casting parts?: The casting parts are low in cost and short in production period. Because the molten iron has good flow properties, complex shapes can be formed. But because there may be sand holes, pores, shrinkage holes and other defects, the quality is unstable, easy to produce many defects, mechanical properties are not forged well, thus affecting the service life.

Q:For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not qualified: For example, the castings shall be in accordance with the requirements of the second types of castings in the technical requirements for aluminum alloy castings of GB/T9438-1999;

Q:What are the casting parts used to test shrinkage holes?: 1. anatomy. It is easy to slack off by sawing and machining.

Q:Lathe processing stainless steel casting parts to use what type of tool, the speed into the amount of how much tool angle: There is YW1 best, if not using YG6X, YG8 is ok!The speed should not be high, the greater the diameter, the lower the speed! For example, a diameter of 100 mm, speed is not greater than 80 rpm, each point is good!The main tool is the front angle to be larger, more than 6 degrees, and the groove should be wider and larger to reduce the cutting resistance! When the rear angle is properly reduced and the strength is increased, it is recommended to take 3 degrees.The main components are: spindle box, exchange gear box, feed box, slide box, tool post, tail frame, light bar, lead screw, bed, foot and cooling device.Spindle box: also known as the headstock, it is the main task of the rotary motion of the main motor came through the transmission mechanism of a series of positive and negative spindle to be required two different steering speed, the spindle box gives impetus to the movement of the box. Medium spindle is the key part of lathe. The stability of the spindle on the bearing directly affects the quality of the workpiece. Once the rotation accuracy of the main shaft is reduced, the value of the machine tool will be lowered.

Q:What are the casting parts processing engineering?: According to the classification of process methods, sand casting and special casting.

Q:Why should pig iron be used in casting?: Not necessarily is iron, steel, stainless steel, aluminum, copper can be cast iron, is cheaper, and better properties of cast out, for example, is not easy to rust, high strength, easy processing and so on, and is the only iron iron cast out, it is not necessarily the raw pig iron, plus some other material

Q:What's the cause of the choking of the casting?,: Causes of choking fire:1., casting material in the pouring of gas;

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