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:How do you do the hardware business?
Adopt Internet and traditional mode to combine marketing. The Internet and other media market for the development of the enterprise plays a very important role, but the publicity alone is not enough for small businesses, but also need the help of the traditional business model, multi link, multi walk. Because money is relatively important for small businesses. Small businesses can make full use of traditional marketing models on the basis of ensuring Internet infrastructure, such as participating in exhibitions, visiting more customers, and making more business calls. Adopt a relatively proactive approach to expand the market.
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
It is recommended that stainless steel, aluminum alloy is no longer strong, this is the decisive factor of material.Bathroom this thing is generally less change, durable is the absolute truth. Of course, the aluminum alloy is not so fragile, both have to choose their own, to buy their own heart should be, is the best.
Q:What are the commonly used hardware materials? What are their respective properties?
Cold rolled steel sheet (SPCC), ----SAE1006, SAE1008Features: smooth finish - good mechanical properties, smooth surfaces with fine abrasive lines. Blunt surface treatment with good mechanical properties, fog, matte finish.Purpose: because it contains a small amount of residual elements, corrosion resistance and excellent, so it is widely used in galvanized or colorOn galvanized steel sheet, suitable for hardware products with special surface requirements.
Q:What does hardware and electrical appliances include?
Traditional hardware, also known as "hardware"". Refers to iron, steel, aluminum and other metal, after forging, rolling, cutting, and so on physical processing made from various metal devices. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods.
Q:There is a round piece of hardware, want to buy online, do not know what the name of the call for help
To be exact, this is called a spacer. It is used for fixing bathroom fittings.Huitailong has been established for fifteen years of history, is the national brands with independent intellectual property rights, is one of the main hardware products, sanitary products, intelligent Home Furnishing decorative materials such as the integration of production and marketing enterprises; is in the high-end Home Furnishing decoration materials of independent research and development and production sales efforts, has formed R & D, manufacturing and sales national enterprises; in the domestic first-tier cities have more than and 500 stores, product sales network throughout the country large and medium-sized city; various parts of products are exported to Southeast Asia and europe.
Q:Is the hardware store profitable?
You sell high profits on the high, similar to low
Q:What hardware fittings are needed for the glass curtain wall project?
You ask too much, but I do not answer, is the point type curtain wall, glass curtain wall is used above curtain wall claw, wholesale factory in Jiangsu, in Foshan, if it is to claw curtain accessories, we can talk, have contact.
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:What do the hardware stores sell?
Such as 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 doors and hardware accessories. Such as lotus and other hardware, the gold and silver and brass and iron, tin five metal materials, hardware is the mother of industry; the national defense foundation, hardware product material, usually divided into two 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, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be considered
Q:What does the home improvement hardware include? What are your buying skills?
A lot of home improvement hardware, including door pull pages, locks, slide rails, hinge handle, sliding door, rail suspension wheel, etc., these are considered home improvement hardware. Hardware purchase skills are as follows: (1) should be selected and sealed hinge, slide, lock of good performance. When buying and selling, opening and closing, pulling several times, feel its flexibility and convenience. (2) it is advisable to select locks with good flexibility. When you buy, you can plug the key several times to see if the thread is not smooth. The switch is screwed up, whether it saves power or not. (3) choose all kinds of decorative hardware with good appearance. When buying, mainly to see whether the appearance of defects, electroplating gloss, feel smooth and so on. (4) by hand a weigh weight, like products, the heavy weight of products relatively good materials.

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