Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames System 1

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames System 2

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames System 3

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames

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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. Material: Casting iron, ductile iron, malleable iron

2. Duty: EN124 A15 B125 C250 D400 E600 F900

3. Color: Our main colors are black green and gray .

4. Design: We can provide OEM service, according your design to do moulds, surface and logo.

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames

Specification

Item No.	Class	Clear Opening(mm)	Frame Size(mm)
RGC-01L	C250	390*325	530*465

Advantages

1.High Intensity

It adopts macromolecule complex material and reinforcing steel bar moulded by high temperature and press at one time.

2.Unique appearance

Rich colors;the cover is not sprayed in surface but painted in whole material so that the color can keep lasted.

Packaging & Shipping

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

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

Casted Ductile Iron Manhole Covers CNBM for Mining and construction with Frames

FAQ

Why imported Composite Manhole cover/Grating from China?

1. Very competitive price, it will save you third or even half cost;

2.Good quality, don't worry much about the quality, actually, most of the building materials you buy from Miami, Dubai ,Italy, South Africa or your local market are imported from China. So why not buy direct from China. The key point is to find a reliable supplier who is honest and professional to take care of the quality and delivery time.

Q: There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump: German winter three step mirror polishing 2013 new processYou can free proofing!

Q: I often see Waixiejiagong drawings, casting, how to distinguish the latheman.: Casting rough drawings generally no processing symbols, processing drawings indispensable is processing symbols!

Q: How can the casting be quenched and tempered?: Cast steel annealing or normalizing parts in strength and toughness is insufficient, can be used in quenching and tempering treatment. It is mainly used for gear, gear and other parts of the cast steel. The conditioning has two kinds: one kind is cast directly after quenching and tempering, with warm water (40---50 degrees) intermittent cooling, suitable for ZG270---500, ZG310----570 and other castings.

Q: What are the causes of pitting on the surface of a precision casting?: There is a bump on the mold. Or casting cooling fast.

Q: Cause of choking of casting parts: Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects

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: Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!: Increase the refractoriness and looseness of core sand

Q: What's the cause of the choking of the casting?,: 3. when casting the environment is humid, sand mold has not removed the moisture, when the casting, the moisture instantaneous transforms into the steam, causes the blowhole

Q: ZGMn13 casting parts processing, with what knife head good?: The ZGMn13 itself is not have processing, if only the processing point, sharpening, ordinary can, if the processing area is relatively large, ZGMn13 external impact load is bigger,