BEST QUALITY OF CERAMIC BALL WITH LOW PRICE

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Tianjin
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10000 pc
Supply Capability:
600000 pc/month

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Product Description:

1)Chemical contents 

 

SiO2

0.15-0.2

MgO

0.03-0.05

Al2O3

99-99.5

CaO

0.04-0.07

Fe2O3

0.05-0.2

K2O

0.1-0.15

TiO2

0.15-0.2

Na2O

0.2-0.25

Free : <0.01%

 

 

 

 

2)  Physical Properties

 

Bulk Density

g/cm³

3.5-3.6

Water Absorption

Weight%

2-3

Compressive Strength

N /mm²

3K

Elasticity

GPa

60

Mohs Hardness

Scale

9

Specific Heat, 20℃-100℃

J/kg.K

840

Thermal Conductivity,

30℃-100℃

W/m.K

1-1.5

Coefficient OThermal Expansion

10-6K-1

4.7

Heat resistance

1500

 

3) Characteristic Parameter

 

Size

(Inch)-(mm)

Bulk Density(kg/m³)

Specific Surface Area

(m²/m³)

Void Ratio

(%)

Compressive strength

(kg)

1/8”-3mm

2000

720

44

60

1/4”-6mm

2000

520

44

160

3/8”-9mm

2000

360

44

240

1/2”-13mm

2000

275

45

450

3/4”-19mm

2000

190

45

520

1”-25mm

2100

144

45

800

 

 

 

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Q:Stainless steel mirror polishing precision casting parts is very difficult, 20
German winter three step mirror polishing 2013 new processYou can free proofing!
Q:The difference between sheet metal and casting parts
Casting parts are made by casting (followed by a variety of processing), the shape can be simple, can also be very complex, usually large parts, as a base, bed, work table, and so on, good seismic performance.
Q:What's the cause of the choking of the casting?,
Causes of choking fire:1., casting material in the pouring of gas;
Q:How much is the casting allowance in the design of the casting machine and the drawing?
Casting parts do not need to provide drawings of casting blank, the casting factory according to your drawings in the required surface will be sufficient allowance, and the rest of the size according to the mechanical design manual and the casting manual can be found. The general foundry casting technology division will mark put shrinkage and the allowance of the map in your chart (usually with the red pen) for the production of wood or other material wood workers die drawings.
Q:Shandong foundry, casting small pieces of precision casting
Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,
Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?
according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation
Q:What kind of flaw detector is better for casting parts?
If the casting is very small, can be used for fixed magnetic detection machines, of course with fixed magnetic powder the testing machine, the best first contact the manufacturers, because the fixed magnetic particle testing machine belongs to the non-standard equipment, according to the workpiece size, different shape, manufacturing daily inspection and measurement.
Q:Where is the precision casting factory?
The National Precision Casting Factory is generally distributed in Shandong, Ji'nan, Jiangsu, Wuxi, Changzhou, Zhejiang, Guangdong, Panyu, Dongguan.The above are only the main distribution, many of Shandong are made supercharger, and Guangdong to jewelry industry based.
Q:How do casting parts remove stress?
Annealing treatment, according to different casting annealing treatment, eliminate thermal stress, if need to restore hardness or increase hardness, and then quenching treatment
Q:Why should pig iron be used in casting?
Not necessarily is iron, steel, stainless steel, aluminum, copper can be cast iron, is cheaper, and better properties of cast out, for example, is not easy to rust, high strength, easy processing and so on, and is the only iron iron cast out, it is not necessarily the raw pig iron, plus some other material

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