Square and Round Ductile Iron Manhole Cover B125 C250

Square and Round Ductile Iron Manhole Cover B125 C250 System 1

Square and Round Ductile Iron Manhole Cover B125 C250 System 2

Square and Round Ductile Iron Manhole Cover B125 C250 System 3

Square and Round Ductile Iron Manhole Cover B125 C250 System 4

Square and Round Ductile Iron Manhole Cover B125 C250

Ref Price:

Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 110 kg

Supply Capability:: 4100 kg/month

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Product Description

1) Material

a) Ductile Iron GGG500-7 & 400-12

b) Grey Iron GG20

2) Designs.

a) EN124 A15, B125, C250, D400, E600 and F900

b) A60005 for casting design

c) Major standards designs available

d) As per customers' drawings or samples

3) Process

a) Molding boards

b) Green sand with hand molding

4) Coating

a) Cold applied black bitumen

b) Without coating

c) Coating as per customers' requirements

Specification

Item No.	Class	Clear Opening(mm)	Frame Size(mm)	Frame Height(mm)	Unit Weight (kg/set)
D80*60	D400	700*500	800*606	100	81
TD90	D400	905*905	1055*1055	150	260
TD90*60	D400	904*600	1060*762	100	156
TD75*60	D400	750*600	900*750	100	140

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. Contain no metal and no recovery value, anti-theft.

Packaging & Shipping

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

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

Square and Round Ductile Iron Manhole Cover B125 C250

Our Services

1. Sample is available for free.

2. OEM and ODM are welcome.

3. Free charge of design labels and cartons.

4. Professional technical support with free charge.

5. After the cooperation: Any of your problem will be solved within 24 hours.

FAQ

1.Q: Are you factory ?

YES! We are a professional ductile iron & grey iron casting Factory inChina.

2.Q: How long can you make your quotation:

Within 3 workdays after received your detailed product information

3.Q: Do you provide OEM Service?

Yes, we provide OEM Service.

4.Q: What 's your quotation element?

Drawing, material, weight and quantity.

Q:How to improve the surface roughness of casting parts?: One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.

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:How to calculate the price of casting parts?: According to the complexity of the workpiece, material and casting requirements and process yield

Q:Can the casting part be phosphating with the phosphating solution of the pickling board?: Like stainless steel casting, duplex stainless steel casting is phosphating, ductile iron gray iron is not required

Q:What is the reason for 304 stainless steel precision casting parts to be changed?: 304 stainless steel is easier to change than ordinary steel. Because the 304 heat conductivity is lower than that of the low doped steel, the temperature is even more uneven, and 20% of the non ferrous elements also make the distribution of internal and external elements more uneven, hard and soft inside. Each of these two produces greater internal stresses, resulting in a variant.

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:Heat treatment process and purpose of casting parts: Methods: artificial aging or natural aging (also called normalization) treatment.Artificial aging: heating to 2-3 Baidu, it is best to apply mechanical vibration, and maintain a period of time.

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.

Q:How do you mark it on the drawing? Do you need to discuss it with the manufacturer?Because the casting allowance is the standard, then, after all, is the theoretical value, the actual level depends on the manufacturer, so is it necessary to ask the manufacturer?: Casting parts do not need to provide drawings of casting blank, the casting factory according to your drawings in the required surface will be sufficient allowance, and the rest of the size according to the mechanical design manual and the casting manual can be found. The general foundry casting technology division will mark put shrinkage and the allowance of the map in your chart (usually with the red pen) for the production of wood or other material wood workers die drawings.

Q:What are the casting parts tested?: The surface brightness, appearance, size, chemical composition, weight, material, surface defects, internal defects, seals need to be checked, leakage, etc.

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