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Stainless Steel Lab Grinding Balls


 Product Details 

High Polished 304 Stainless Steel Balls

 

Technical Datas of  304 Stainless Steel Balls

 

Product

304 stainless steel grinding balls

Item No.

DECO-B-SS

Optional Ball Sizes

3/5/8/10/15/20/25/30mm

Density

7.93 g/cm3

Hardness

<= 187HB, <= 90HRB, <= 200HV

Abrasion Resistance

fairly good

Compatible Samples

medium-hard, brittle samples

Compatible Ball Mill Jars

stainless steel jar, nylon jar, PU jar

 

Photos of 304 Stainless Steel Ball

 

Stainless Steel Lab Ball Mill Grinding Media, Highly Polished Stainless Steel Grinding Balls

 

Stainless Steel Lab Ball Mill Grinding Media, Highly Polished Stainless Steel Grinding Balls

 

Stainless Steel Lab Ball Mill Grinding Media, Highly Polished Stainless Steel Grinding Balls

 

Stainless Steel Lab Ball Mill Grinding Media, Highly Polished Stainless Steel Grinding Balls

 

Stainless Steel Lab Ball Mill Grinding Media, Highly Polished Stainless Steel Grinding Balls

 

Element Analysis of 304 Stainless Steel Ball

 

General Specification

Main Material

SUS 304 Stainless Steel

Chemical Composition

Element

Share %

Fe

70.6~67.4

C

0.10

Si

1

Mn

2

P

0.045

S

0.15~0.35

Cr

17~19

Ni

8~10

Cu

Max 1.00

N

Max 0.01 

 

Number and Size of the Balls

 

1. Pregrinding the coarse, hard material with large balls

2. Use of many small balls will increase the fine fraction if the running time is increased

3. A higher mass (spec. weight) of the grinding balls will accelerate the grinding

4. Size of the Grinding Balls

 

Type of feed material

Ball diameter

Hard samples feed particle size <10 mm

30 mm or 40 mm

Medium piece size (<5 mm)

20 mm

Fine material (0.5 mm)

10 mm or 5 mm

Homogenisation of dry or liquid samples

10 mm

Homogenisation of viscous samples

20 mm

These are just clues: the size of grinding jars and grinding balls should be determined experimentally if necessary.

 

Choice of Grinding Jars & Balls

 

In order to prevent excessive abrasion, the hardness of the grinding jars used and of the grinding balls must be higher than that of the material used. Normally, grinding jars and grinding balls of the same material should be chosen.

 

Grinding Jar Ball Configurations

 

Grinding Jar Volume

100ml

250ml

500ml

1000ml

Compatible Ball Weight

150g

375g

750g

1500g

Dia5mm Grinding Balls (0.52 g/pc)

58 pcs

145 pcs

289 pcs


Dia10mm Grinding Balls (4.15 g/pc)

18 pcs

45 pcs

91 pcs

73 pcs

Dia15mm Grinding Balls (14.00 g/pc)

4 pcs

8 pcs

16 pcs

54 pcs

Dia20mm Grinding Balls (33.20 g/pc)




14 pcs

These values are just clues: the number of balls should be determined experimentally if necessary.

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