Heavy cast iron round manhole covers

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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 tie, the outside plastic film

Process: sand casting, pure manual model

Our company covers has the following features:

1, the environmental noise. This product environmental noise, board and box can to 100%.

2, high load capacity. The product load C250

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 "R0.5max" mean in hardware drawing?
The "R0.5max" in the hardware drawing refers to the maximum allowable fillet R0.5.Max:N. maximum; maximumV. maximum; maximum possibleHardware:Traditional hardware, also known as "hardware"". Of five metals: gold, silver, copper, iron, and aluminum. By artificial processing, you can make knives, swords and other art or metal devices. The hardware of modern society is more extensive, such as hardware tools, hardware parts, daily hardware, construction hardware and security products. Most hardware products are not final consumer goods.
Q:What kind of goods do you need to open a hardware store?
There are a lot of ah, tools, parts, screws, bearings, lighting, electrical materials, water cooler, there are some other configurations, such as titanium alloy frame. If you want to shop, you can go to shentop Hotel Web browsing, there are many types of him, should be for you.
Q:What is a hardware cooker?
Cookware, such as metal products (metal and other materials, such as wood and plastic), is part of a hardware cookware category.
Q:What is wooden door hardware?
Having specific functionsIt includes: wooden door lock, cabinet handle, bathroom pendant, clothes hanger and so on.
Q:what is the Hardware classification?
brush| paint brush roller brush | | wire brush | disc brush polishing brush paibi | | | | other sponge brush brush
Q:What is the rebate rate for hardware?
You this question is general Oh, specifically to see the screw material (steel, copper) and use, in order to determine its tax rebate rate, 5% is yes.
Q:What's drawing design in a hardware factory?
I have done in the hardware factory mapping, using CAD or proe do, surveying and mapping is the first to return the drawings, in software measurements. Yes, some need your own design, some other factory orders and processing drawings, you have to translate them to your factory standards. Hope to adopt!
Q:How to buy some ardware
Professionals said that, on the market of aluminum magnesium alloy and alumina two main Aluminum Alloy common materials, the price difference of nearly 1/3, due to alumina and aluminum and magnesium alloy surface looks almost, it is quite difficult for consumers to distinguish, but still can be judged from the handle, water etc.. Aluminum magnesium alloy material is relatively heavy, the surface is smooth, water stains are not easy to trace, good toughness. And the surface of alumina material is rough, easy to black or trace of water stains. At the same time, if there is a slight scratch on the surface, the aluminum magnesium alloy material can be easily wiped away, while the alumina is difficult to remove. In addition, the door handle will also vary greatly because of the distance and the type of the door.
Q:What kind of hardware do you have?
1 household tools and professional tools 2 hand tools: pliers, screwdriver, wrench, knife, saw, hammer, chisel, socket, gauge, level, square, fixtures, electrical tools, wooden tools and garden tools: mud scissors, Ripper, root cutting device, three claws. DaXiaoChan, gauge pad and so on electric tools and accessories: electric drill, electric screwdriver, electric hammer, saw, pneumatic tools: pneumatic nail gun, boot wrench etc.
Q:Does hardware include plumbing, building materials?
Hardware is divided into:Lock(1) exterior door lock (2) lock (3) lock the drawer (4) ball type door lock (5) glass window lock electronic lock (6) (7) (8) chain lock anti-theft lock (9) lock the bathroom (10) (11) number lock padlock lock body (12) (13 lock core)Handle Class(1) drawer handle (2), door handle (3), glass door handleDoors and windows(1) glass hinge: hinge, hinge, hinge corner bearings (copper and steel), pipe hinge (2) hinge shaft hinge, hinge torque: Heaven and earth (3) track: drawer track, sliding door track, folding door track, hidden door track, arc track, hanging wheel, glass pulley (4) bolt (light and dark) (5) (6) suction gate (7) spring (8) door closers (9) (10) (11) mirror plate pin (12) anti-theft buckle (13) layer (copper, aluminum and PVC) (14), magnetic bead beadFamily decoration(1) the universal wheel (2) cabinet legs (3) door (4) nasal duct (5) stainless steel trash (6) metal hanging brace (7) plug (8) curtain rod (copper, wood) (9) (plastic, steel curtain rod rings (10) (seal) 11) lifting clothes hanger hook, a hanger (12)

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