Cast iron square manhole cover

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
1000 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. This product environmental noise,

2, high load capacity. The product load B125

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: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)
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 does hardware and electrical appliances include?
Machinery equipment, hardware tools, building hardware, mechanical equipment, locks, security, daily hardwareElectronic, electrical, general accessories, sports and leisure, environmental protection facilities, home appliances, kitchen, raw materials
Q:What is suitcase hardware? Do you know?
Luggage hardware accessories can be classified according to the following: material, shape, color, specifications and so on.
Q:What does hardware include?
Hardware for construction hardware, metal, locks, nails, iron wire, steel wire mesh, wire scissors, home hardware, tools and so on.
Q:What does hardware refer to? What's the use?
[hardware] traditional hardware, also known as "hardware", refers to gold, silver, copper, iron, aluminum, five kinds of metal, processed by artificial, can be made into knives, swords and other art or metal devices. Modern society is more widely used in hardware, today's hardware is often used as a metal or copper, iron and other products collectively. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not consumer goods.[hardware use] hardware products, appear in economic life, political life and military activities in every corner. Hardware products of various types, specifications vary, but hardware products in modern life also plays an irreplaceable role in the choice of good hardware fittings, can make many structural parts more safe and convenient to use.
Q:What do hardware mainly do?
Hardness test of stamping dieThe main material of the stamping die is die steel (including tool steel and high speed steel), and sometimes carbide is used.Stamping dies usually require high hardness and wear resistance, and heat treatment is essential.
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 does hardware mean? Big brother, give me a detailed explanation
The so-called hardware is gold, silver, copper, iron, tin, five kinds of metalHardware is an object made of these materials!
Q:Which part is responsible for leakage of hardware?
If the warranty period has passed, the water should be public property maintenance, the loss is the property bear, you can see their property contract, if the property is not in this part of the cost of public use of water pipes, responsibility and use you, if you are using the water, after the warranty period, the responsibility of all is he.

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