Cast ductile iron manhole cover for mining made in Hebei

Cast ductile iron manhole cover for mining made in Hebei System 1

Cast ductile iron manhole cover for mining made in Hebei System 2

Cast ductile iron manhole cover for mining made in Hebei System 3

Cast ductile iron manhole cover for mining made in Hebei System 4

Cast ductile iron manhole cover for mining made in Hebei

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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) Waterproof and anti-rust

Cast ductile iron manhole cover for mining made in Hebei

Specification

Item No.	Class	Clear Opening(mm)	Frame Size(mm)	Frame Height(mm)
CCUC68HK	C250	500*700	600*800	60
CCUC70HK	C250	600*600	700*700	50

Advantages

Good compressive, bending and impact strength, anti-rust, endurable period (at least 30 years).

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

Cast ductile iron manhole cover for mining made in Hebei

Packaging & Shipping

Packaging: Details Pallet with bubble film,

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

Cast ductile iron manhole cover for mining made in Hebei

FAQ

1. How about your price?

A: As one of famous manufacturers of Ductile iron products inChina, Our prices are very favorable and competitive. The customers from all-over the world.

2. Can I get free samples?

A: Yes, we can provide the free samples, but you need to bear delivery freight.

Q:How do casting parts remove stress?: Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment

Q:Shandong foundry, casting small pieces of precision casting: Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,

Q:Explain the heat treatment effect of casting parts, forging parts and welding parts: Good welding of low carbon steel (alloy), probably because the weld workpiece rigidity, fast cooling, the weld internal crystallization of brittle microstructure (martensite), so after welding or welding process welding using self heat, reasonable arrangement of weld, welding seam and heat affected zone heat treatment. The welding heat treatment is often used to preheat before welding, after welding withasbestos cloth covering slow cooling annealing, reach the purpose, its main function is to reduce the internal stress, improve the weld microstructure of martensite formation, reduce brittle tendency, preventing welding cracks.

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

Q:What method of casting does not rust? I think the sample is like oil: Close to the solder, and slowly dissolve is hot melt double-sided adhesive, otherwise it is oily double-sided adhesive.

Q:Can the casting part be phosphating with the phosphating solution of the pickling board?: Phosphating. But it's not necessary. Because casting parts have strong corrosion resistance.

Q:In theory, which is more expensive, forging parts or casting parts?: Compared with the price, the product with the same simple structure eliminates the material factorsThe forgings must be more expensive

Q:What are the causes of pitting on the surface of a precision casting?: The quality of the shell surface is out of order. Or shot blasting out of question.

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: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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