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:CNC lathe processing precision hardware, how to choose the grinding wheel?: CNC lathe processing precision hardware, how to choose the grinding wheel?

Q:How many kinds of hardware are there in this industry?: Hardware can actually be divided into tools and hardware two categories;The tools below can be subdivided:Manual tool (brush, scissors, pliers, screwdriver, wrench, hammer, file, tap die, pump, etc.) (saw blade, a chainsaw, etc.)Pneumatic tools (pneumatic wrench, pneumatic scissors, drilling, etc.)Electric tools (electric polishing machine, electric drill, electric hammer, electric wrench, electric scissors, air guns and etc.)Auto repair toolsConstruction equipment and toolsGaugeGardening tools and equipmentDiamond toolsAbrasives, abrasive (grinding wheel, grinding head, grinding block, sand paper, Whetstone, polishing wheel, grinding agent, polishing paste, etc.);Hardware subdivided into:Hardware fittings (hook, steel ball, pulley, nozzle, universal wheel, rigging, etc.)Construction hardware (locks, fittings, doors and windows, hardware, etc.)Mechanical hardware (bearings, dies, springs, valves, cutting tools and clamps, pneumatic components, etc.)Daily hardware (knife, scissors, etc.)

Q:What does "R0.5max" mean in hardware drawing?: R0.5max refers to the pointed corners, the maximum angular radius is 0.5mm., and some drawings will also say "edges and corners blunt" and other terms.

Q:Hardware should be how to buy?: See matching. Bathroom three large sanitary ware in the bathroom occupies the largest position, therefore, can not let sanitary ware to match hardware fittings, but let hardware fittings and sanitary ware match. In the purchase of bathroom hardware accessories, we must consider whether these accessories and purchased sanitary ware match. There are a variety of hardware accessories market, consumers in the choice should pay attention to color, materials and models is consistent with the overall style of the decoration bathroom, if only their own love, it is likely to last pick parts placed in the bathroom will be awkward.

Q:What are the hardware parts of the door?: Hardware fittings are hardware parts or parts made of hardware, and some hardware products. It can be used alone or as a aid. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods. But as industrial manufacturing supporting products, semi-finished products and tools used in the production process and so on. Only a small number of household hardware products (fittings) are the consumer goods of tools for people's daily life.

Q:What are the hardware parts used in the decoration?: Locks, handles, hinges, hinges, air guns, drawers, rails are basically these small metal products, so it's called hardware, of course, the new products change with each passing day, you can go to B&Q and other shopping malls to see

Q:How to buy some ardware: Beware of stainless steel change "stainless iron""Some people reflect that in the purchase of stainless steel parts products, found that some stainless steel, that is, in stainless steel materials doped a lot of iron ingredients, the price difference of nearly two times. The towel rack for example, stainless steel for the average price of 200 yuan each, while the stainless iron price is only 70 yuan each, on the surface of the two are basically the same, but the surface brightness of stainless steel, stainless iron is used for a long time, easy to rust surface blackening.

Q:What is wooden door hardware?: Hinge, handle, door lock, simply say, the metal part above the wooden door is wooden door hardware.

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,

Q:What's the hardware in the wardrobe industry?: Hinge screw handle drawer rail foot stainless steel stainless steel tube for fixing door hinge screws are used to handle the fixed hinge rail for mounting feet for stainless steel drawer cabinets or cabinets increased overhead of stainless steel pipe used for hanging trousers it installed in the cupboard

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