Light cast iron manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
3000套 m.t./month

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Product Description:

Ductile iron QT500 manhole covers


1. Material: QT500-7


Raw material: Q12 class brand


2. The base diameter: 800 mm


3. The base height: 65 mm


4. The cover plate diameter: 700 mm


5. Net openings: 670 mm


6. 42 kg weight:


7. Pressure load: 125 kn B125 12.5 tons


8. Surface treatment: black bituminous paint


9. Chemical and physical composition


10. The quality management system certification: ISO9001:2008


11. I plant products are 90% export, quality guaranteed, smooth surface, the pressure up to standard.


QT500-7


Of the goods

The base diameter

Cover plate diameter

Net openings

highly

The weight of the

Pressure load

The material

Ductile iron manhole cover

Φ 800 mm

Φ 700 mm

Φ 670 mm

60 mm

42 kg

10 tons

QT500-7

Ductile iron manhole cover

Φ 900 mm

Φ 700 mm

Φ 670 mm

75 mm

49 kg

25 tons

QT500-7

Ductile iron manhole cover

Φ 900 mm

Φ 700 mm

Φ 670 mm

75 mm

59 kg

35 tons

QT500-7



Physical property

TENSILE STRENGTHN/m ㎡

YIELD STRENGTH

ELONGATION

HARDNESS

500

320

7%

170-170.



brand

Chemical composition (%)

C

SI

Mn

P

s.

MG

Re

QT500-7

3.6 to 3.8

2.5 to 2.9

< = 0.60

< = 0.08

< = 0.025

0.03 to 0.05

0.03 to 0.05


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Q:Does hardware include plumbing, building materials?
We have a wide range of hardware, but water, electricity and household building materials are very important to us
Q:Please tell people where can to buy genuine hardware accessories?
TX should choose to go to large stores to buy, quality and service to protect some.
Q:How do you do the hardware business?
Learn to take advantage of. For small and medium enterprises but linked to large orders can find some idle plant or equipment, in order to save the cost of investment, only need to put technology and human resources, so you can earn more profit. Once there is a market crisis, we can flexibly do a good job of market transformation, so as to avoid blind expansion.
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
It must be made of stainless steel. It's durable. Although the Aluminum Alloy will not rust, but because aluminum is a very soft, long time will rot.
Q:What are the commonly used hardware materials? What are their respective properties?
Aluminum alloy (A5052), ----O, H32, H34, H36, H38HCharacteristics: good corrosion resistance, corrosion Younai, formability and good weldability, good anodic treatment. Purpose: household appliances, optical instruments, clocks, gear panel, vehicle and ship materials, trucks, cargo plate've etc..
Q:What's the hardware in the wardrobe industry?
The wardrobe hardware parts are more and more widely used in furniture. With the advent of panel disassembly and assembly furniture and the rise of self assembly furniture, furniture hardware fittings have become an important part of modern furniture. Furniture hardware accessories can be divided into functional hardware and decorative hardware two types. Functional hardware refers to the hardware parts that can achieve certain functions of furniture, such as connectors, hinges and slipway. We also need to pay attention to the hardware parts. At the time of purchase, first to carefully observe the appearance of the process is rough, and then to see whether the switch is equivalent to several times hand freely; to see if there is no abnormal noise; and the grade of furniture to see is not matched; then hand a weigh weight, like products, the heavy weight of products relative to the said materials better. Try to use a longer history, higher visibility of the manufacturers of products. In addition, decorative hardware accessories, such as handles, and so on, we should consider the furniture and color, texture and coordination issues.
Q:Hotel room toilet stainless steel parts, how to maintain?
When cleaning and maintenance, pay attention to some matters.To avoid the strong acid solution directly onto the hardware, accidentally occur immediately wipe clean; avoid using any abrasive cleaners, cloth or paper towel, and anything with strong acid detergent, wipe the surface polished pigment hardware; develop the habit of opening doors and windows to keep the air flowing, bathroom, take separate bathroom hardware maintenance mode.
Q:What are the commonly used hardware in the customized wardrobe?
The door includes a buffer buffer: positioning parts and buffer the crown, the former mounted on track, positioning and the latter with buffer effect
Q:What does hardware include?
First of all, "hardware" concept, mainly refers to gold, silver, copper, iron, tin five metal materials collectively.Hardware is the mother of industry; the foundation of national defense and the products of hardware materials are usually divided into two major categories: big hardware and hardware.
Q:Which part is responsible for leakage of hardware?
Warranty period, the same place repair two times, repair the bad, can find their own to repair, the cost of developers out.

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