The heavy ductile manhole cover

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
2000套 m.t./month

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Product Description:

Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%


Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel bar


Knot, external plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity. The product load E600

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


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Q:Some commonly used metal stamping parts of the material?
Hardware refers to gold, Au, silver, Ag, copper, Cu, iron, Fe, tin, Sn five metal materials, said, "hardware is the mother of the industry";
Q:How to distinguish the advantages and disadvantages of bathroom hardware?
Bathroom hardware coatingProducts: in strict accordance with the national standard electroplating technology, using imported raw copper, nickel, chromium and copper after, three plating process, depending on the sense of thick, shiny, long-term use will not wear, corrosion, foaming or peeling,. Compact structure, uniform coating, color face crisp, generally more than 30 micron in thickness, no scratch coating surface and burr.Liepin: plating layer is thin and uneven, loose structure, poor adhesion, luster, the chrome plated directly in the blank, after a period of time, the surface is easily corroded, wear, blistering and peeling off. The coating thickness is less than 20 microns, the material is easy to be oxidized by air, and the coating surface has many scratches and burrs.
Q:What are the hardware parts of the door?
Handle, hinge, fasteners (bolts, nuts), lock, door stopper, seal, such as cat's eye
Q:Does hardware affect the tightness of doors and windows?
The tightness of doors and windows mainly refers to the resistance to wind pressure, air tightness and water tightness.
Q:CNC lathe processing precision hardware, how to choose the grinding wheel?
Generally do not sharpen their own knives, buy special knife Bei
Q:What are the commonly used hardware materials? What are their respective properties?
Hardware is a kind of building materials industry, including construction hardware, mechanical hardware, spraying equipment, kitchen facilities, bathroom facilities and hardware fittings.The traditional hardware refers to hardware, refers to iron, steel, aluminum and other metal, through forging, calendering, cutting, and so on physical processing made from various metal devices. There are many kinds of hardware products, and the specifications are not the same. They occupy an important position in furniture decoration.Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.. On the nature and use of hardware, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be considered.
Q:What are the laws and regulations of hardware?
Hardware laws and regulations: first, the national quality standards. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations. Safety standards, this must be strictly enforced legal norms. Is the hardware must ensure the safe and reliable use, safety accidents caused by quality factors cannot, if the quality safety accidents caused, the producer must undertake the corresponding administrative or criminal liability. The laws in this respect are mainly safety production law, quality law, consumer law, and so on. More general, but more formal. The hardware of national quality supervision and testing: China commissioned by the national certification and Accreditation Administration of the national metrology accreditation review group on building materials, through the certification supervision and expansion of the assessment of national building material industry hardware plumbing product quality supervision and testing center. Even Japan, building materials experts review group consults relevant information center, to the scene detection and testing equipment, test items on the part of a field test was carried out, the center of the authorized signatory on-site examination strictly, and the related staff of the theory exam, organize relevant personnel to the discussion. They believe that the test center has established a complete quality management system, organization system operates effectively, have the capability to undertake impartial third party inspection; the quality of personnel, equipment, environmental conditions and test reports have reached the requirements of standards of review.
Q:what Hardware processing order required
Go to the major websites, major platforms, do a good job of thinking business, do a good job in soft Wen promotion, in your intention, customer contact way to stay good! Or save it on one of your networks, a tool that is easier to communicate with, such as QQ or Ali Wangwang, or msn. They are just like you are a guest at home. They often think about things and keep in touch with them. Chat what?. Let them not forget who you are and what you do. This also will be used when they need you, a lot of things or Human effort is the decisive factor. Want to find their customers, in a word, the world cast a net, always have your fish.
Q:Hardware should be how to buy?
Look brand. If you want to buy customer service guarantee bathroom accessories, consumers choose the best brand of hardware accessories, although the brand that the price is higher, but when the parts quality problems, consumers can find businesses to replace or repair, or buy the whole brand hardware accessories relatively cost-effective, selected the top ten bathroom accessories brand ArgentCrystal bathroom is a good choice.
Q:What do you do at a hardware store?
The hardware store. Most of them are tired. Because the main thing is manual work. Just go as long as you are a coolie. You have to do everything. Most of the stores will be more than eight hours a day

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