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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1, carpentry hardware products installation, most wooden products need to consider the problem of paint. Therefore, the installation time of the hardware needs to consider the connection with the construction of the painter. This need from two aspects to consider: first, the installation of metal pieces arranged time not premature, or paint workers in the construction need to consider too many problems on the protection of hardware; second, the installation of metal pieces, but also pay attention to the construction can not destroy the painter who had completed. Therefore, the normal construction is often such arrangements: the hardware need to be drilled, basically is before the paint construction, or before completion of major processes (such as door locks installed before the lock basically is, at this stage the best hand hole study arrangements at this stage). After the painter has finished the construction, the carpentry will be installed again. 2, electrical lighting and switch socket panels should be installed in the wall brush, paint or wallpaper after the completion of work, and then the installation of lamps and switches, socket panel installation. There was such a case: a construction company, to save personnel costs, in the process arrangement for electrical installation of early switch socket, with open cut wallpaper knife switch socket panel, the panel does not accidentally scratched. 3, sanitary ware and bathroom hardware installation, as the current home improvement industry overall management level is still very low, the quality of workers at construction site is generally poor. Therefore, some of the construction site has occurred on the installation of bathtubs, the first use of the phenomenon of construction workers. In recent years, there have been quite a lot of complaints in this respect. Therefore, it is recommended that consumers, unless forced not...
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The difference between hardware and local products1. hardware, refers to gold, silver, copper, iron, tin, five metal materials called. 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. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, iron and all kinds of industrial character; hardware for building hardware, white metal, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc..2. "local produce" means the agricultural sideline products and handicraft products produced locally.
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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:There is a round piece of hardware, want to buy online, do not know what the name of the call for help
It should be called the positioning buckle I did, mechanical processing, such as small parts, you'd better buy it is issued, all sorts of strange things, it is easy to make a mistake, but you choose to shop also choose related shops, just like the kitchen and bath monopoly store,

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