Industry Used Ductile Iron Manhole Cover with Different Designs

Industry Used Ductile Iron Manhole Cover with Different Designs System 1

Industry Used Ductile Iron Manhole Cover with Different Designs System 2

Industry Used Ductile Iron Manhole Cover with Different Designs System 3

Industry Used Ductile Iron Manhole Cover with Different Designs System 4

Industry Used Ductile Iron Manhole Cover with Different Designs

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 105 set

Supply Capability:: 4100 set/month

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Specification

Item No.	Class	Clear Opening(mm)	Frame Size(mm)	Frame Height(mm)	Unit Weight (kg/set)
CHC40	C250	300×300	400×400	40	13
CHC60	C250	500×500	600×600	55	29

Advantage of ductile iron

Higher quality /higher tensile
Higher security /long life

Packaging and Shipping

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

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

Industry Used Ductile Iron Manhole Cover with Different Designs

Our Company

We take pride to introduce ourselves as the leading manufacturer and professional supplier of various Ductile Iron Manhole covers in China with total annual capacity 50,000 MT.

CNBM manhole cover regard quality as the essential factor leading to successful business. After years of efforts, CNBM manhole cover have built up great reputation in terms of quality and service among domestic and overseas customers.

FAQ

1. How about your price?

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. What is your minimum order requirement?

We will indicate the MOQ for each item in the quotation sheet. we accept the sample and trial order. If the quantity of single item can't reach the MOQ, the price should be sample price

Q: How to improve the surface roughness of casting parts?: First, the accuracy of the model should be improved; two is to change the molding technique; the three is the coating; and the worker's technical level.

Q: The casting sand is going on: 3, prevention measures(1) to improve the strength of sand mold (core), especially surface strength, high temperature strength, refractoriness, compact, better coating, good core coating and parting surface coating.(2) mould and box can prevent damage;(3) the core should have clearance.

Q: What are the casting parts processing engineering?: At present, casting processing, according to metal classification, divided into cast iron, cast steel, casting non-ferrous metal.

Q: How much is the amount of electrophoretic paint per square meter used in the casting?: It was a very simple question, and it was complicated by what you said.

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: What is the casting material?: Commonly used gray cast iron, malleable cast iron, ductile iron, cast steel, etc., non-ferrous metal casting copper alloy, casting aluminum alloy, casting zinc alloy, etc..

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?: 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: Why should pig iron be used in casting?: 1, in the absence of special requirements, the most important thing is that the price is cheap.2, pig iron castings quenching process requirements are not high. You can do it by hand.3, pig iron casting hardness is very large, can meet many requirements.4, pig iron castings, high temperature resistance is relatively strong. Like stoves are pig iron castings.5, pig iron casting plasticity is very bad, but in some experiments, but use this weakness to improve the sensitivity of the experiment.Wait

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: Is 316 casting better than 304 casting?: The degree of difficulty in the process of casting depends mainly on the structure, precision requirements, and hardness of the casting.

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