Heavy cast iron manhole covers

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

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Product Description:

Item description: circular manhole covers


Specification: 850 x600x100mm

Pressure load: D400

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 tie, the outside 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 D400

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:What does building hardware include?
Architectural decoration hardware: Architectural hardware, decorative hardware (locks, handles), iron products, hardware fittings, hardware tools, hardware molds, hardware casting, etc.
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?
Stainless steel (SUS)SUS301----1/2H, 3/4H and H features: good corrosion resistance, good cold workability, non magnetic in the burn back state, and magnetic after cold working. Application: used for vehicle parts, springs, buildings, hardware, etc..SUS304----1/2H, 3/4H and H characteristics: good corrosion resistance, low temperature strength, good mechanical properties, good work hardening, heat treatment, non hardening, non magnetic. Uses: household appliances, building decoration, vehicle parts, medical instruments, food industry and chemical industry.
Q:What is a hardware cooker?
Hardware cookware refers to a cooker made of metal products (including metals and other materials).
Q:What kinds of hardware fittings can be divided into?
Hardware accessories can be classified according to standard and non-standard parts. This classification is general, but the general classification is like this, and there are different hardware used in different industries, there are different categories.
Q:What's the hardware in the wardrobe industry?
The hardware includes a wardrobe door hinge, handle, drawer rails and other structural parts and accessories such as clothes hanging rod: made of Aluminum Alloy materials, high hardness, large bearing surface, anodized, abrasion resistance, cut flower. The circular surface is provided with a plurality of technological lines, which not only have decorative effect, but also play the role of anti-skid. Guide rail: drawer adopts heavy three section rail or three section slide rail, push and pull smooth and silent, bearing capacity is big, can push and pull more than 100 thousand repeatedly. Pull the plate for a towel and other small items, using common backing tracks. Pull basket: cold rolled steel with surface plating, the effect is shiny and smooth. Surface without flow, bump, no yellow, no delamination, no rust, long shelf life. Laminated buckle: embedded panel buckle prevents the board from slipping. Trousers rack: used for stainless steel folding hanging pants, trousers made straight without wrinkles. Shelf: used to display towels, scarves, hats and other small items of life. Plywood: used for displaying ornaments, cosmetics and other daily necessities. Chuanyijing: built-in sliding mirror is an indispensable item dressing.
Q:Hardware should be how to buy?
See coating. Coating treatment is essential for hardware pendants, which relate to service life, finish, and wear resistance. The good coating is black and shiny, with a sense of moisture, while the inferior coating is dull. The good coating is very smooth, and the inferior coating looks closely and reveals wavy undulations on the surface. The surface is still sunken, must be inferior products. Good coating is wear-resisting, the sample that the businessman puts out in the store is wiped everyday, the surface of good product basically does not see to have Nick, and the product surface that is inferior to can have thickly and thickly scratched.
Q:What are the commonly used hardware in the customized wardrobe?
Three in one: the main connecting parts of cabinet panels, commonly known as "three in one", can be applied to 18mm or 25mm boards.
Q:How to inquire about the price of hardware products? How much is the gross profit of hardware products? Thank you
Gross profit does not know, but you can go to the hardware product supply, purchase price and so on to make some understanding, and then make a decision
Q:How many kinds of hardware are there in this industry?
Hardware can actually be divided into tools and hardware two categories;The tools below can be subdivided:Manual tool (brush, scissors, pliers, screwdriver, wrench, hammer, file, tap die, pump, etc.) (saw blade, a chainsaw, etc.)Pneumatic tools (pneumatic wrench, pneumatic scissors, drilling, etc.)Electric tools (electric polishing machine, electric drill, electric hammer, electric wrench, electric scissors, air guns and etc.)Auto repair toolsConstruction equipment and toolsGaugeGardening tools and equipmentDiamond toolsAbrasives, abrasive (grinding wheel, grinding head, grinding block, sand paper, Whetstone, polishing wheel, grinding agent, polishing paste, etc.);Hardware subdivided into:Hardware fittings (hook, steel ball, pulley, nozzle, universal wheel, rigging, etc.)Construction hardware (locks, fittings, doors and windows, hardware, etc.)Mechanical hardware (bearings, dies, springs, valves, cutting tools and clamps, pneumatic components, etc.)Daily hardware (knife, scissors, etc.)

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