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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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

170-170.

brand

Chemical composition (%)

QT500-7

3.6 to 3.8

2.5 to 2.9

< = 0.60

< = 0.08

< = 0.025

0.03 to 0.05

Q: Do you need your own hardware to buy a suit door?: If you have a better hardware match, should also be in advance with the merchant clear.

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: How do you do the hardware business?: I saw slogans such as "customers - your competitors" on a lot of salesman training occasions. Think carefully, is that an accurate point of view? Opponents are used to defeat or destroy. You may think it's honorable on the battlefield, but it's a disaster for you to beat customers in the business world. In fact, the real negotiation is gentle, not murder, customers want to be the winner of a deal. Therefore, you should give full play to the skills of communication with each other, to respect and friendly attitude to face customers, but also to allow customers to fully appreciate your efforts for him. In any transaction, only a win-win situation can be maintained in order to maintain long-term business relations. In fact, this is a simple one

Q: What kind of hardware do you have?: Hardware refers to five metals. Hardware word first appeared in the "Wu Yue" - "spring and Autumn" four Lu: "Chen Wen Yue often make ou Yezi sword making five pieces...... a reed, hardware Ying, sun jing. According to the "Han Shihuo Zhi" on the 'gold, knife, turtles, shellfish "note: Kim," five gold, yellow, gold, silver, white, red, green, copper, lead, iron, black. "Modern Chinese dictionary explains:" hardware refers to gold, silver, copper, iron, tin, generally referred to as metal. Today's hardware is commonly used as a metal or copper, iron and other products collectively. The further application of metal has played an important role in the development of human civilization, society and history. Metal products appear in every corner of economic life, political life and military activities. Such as Zhejiang, Yongkang, since ancient times has been known as "hundred workers of the township", hardware, handicraft industry is a long history. Since the Southern Song Dynasty had to make a living in Yongkang, go out to travel extensively, coppersmith blacksmith, history of early "metal craftsmen go Quartet, Fu County from Kang". History into modern industrial society, metal hardware industry is the rapid development of hardware industry, which has played an important role in the development of national economy, hardware has become an indispensable link in the industrial manufacturing industry.

Q: What are the detailed classifications of hardware tools?: Hand tools, saws, wrenches, screwdrivers, pliersElectric and pneumatic tools; assembly; power tools; cutting; power tools; grinding; polishing; power tools; pneumatic toolsWeighing apparatus, measuring tool, lockset, cutter, weighing apparatus, measuring instrument, instrument, cutting tool, clampSecurity, daily hardware, security pipe fittings, door and window hardware, bathroom hardwareCraftsmen use tools, mechanics as tools, farm tools, civil tools, garden toolsSaw blade, saw blade, carbide saw blade, diamond saw blade, machine saw and saw equipmentAccessories, fittings, motor, reducer, air compressor, transmission partsMachinery, CNC, CNC electronic products manufacturing equipment, electrical appliances, machine tools and accessoriesMachinery equipment, packing equipment, printing equipment, separating equipment, welding and cutting equipmentEquipment, electric equipment, electric power, electrical equipment, wind

Q: What do you do at a hardware store?: Hardware industry refers to the gold, silver, copper, iron, tin five metal materials, hardware is the mother of the industry; the basis of national defense, hardware products are usually divided into two major categories of hardware and hardware. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.. On the nature and use of hardware, it should be divided into iron and steel materials, non-ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories

Q: What are the hardware parts used in the decoration?: Decoration hardware used many, hardware accessories a wide range, wide range of applications,

Q: I opened a small hardware factory, and I also have a few punch, want to do hardware accessories, and do not know what kind of good to do, good money, beg!: What do you want to punch?. What does your machine do?. Punch can punch too many things.

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 does a hardware factory do?.: Independent production of various types of hardware products, metal stamping parts, metal batteries, metal springs, metal screws and so on.

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