500 ml Stainless Steel Planetary Milling Jars with Media - 304 Grade

  • $ 47900

Specifications for Stainless Steel Grinding Jars with Milling Media

  • Grade 304 is the most widely used austenite steel, also known as 18/8 for its composition of 18% chromium and 8% nickel. 304 may be referred to as A2 stainless (not to be confused with A2 grade steel, also named Tool steel, a steel).
  • The grinding jars are extensively applied to in the fields of Metallurgy, Electronics, Construction Material, Ceramics, Chemical Engineering, Light Industry, Medicine, Environmental Protection, Paint, Ink, geology and so on.
  • Each jar set includes grinding jar, jar lid, rubber sealing gasket and a set of milling media.

Note: Other types of stainless steel are available upon request: 316 SS, 316L for food and pharmaceutical applications, contact us at today.  

Features of Stainless Steel Grinding Jars with Milling Media

Item No.: JA0302

Material: stainless steel (Fe-Cr-Ni)

Grinding Jar Volume: 500 ml (0.5 L)

Max Loading Capacity: 2/3 capacity of the grinding jar

Shape: cylindrical

Density: 7.93g/cm3

Main Chemical Compositions: Fe (70.6~67.4%), Cr (17~19%), Ni (8~10%)

Hardness: <=187 HB

Attachments: lid & silicon sealing gasket

Grinding Balls: stainless steel balls (included in the jar set)

Grinding Ball Diameters: 3/5/8/10/15/20/25/30mm

Abrasion Resistance: fairly good

Suitable for: medium-hard, brittle samples

Choice of Grinding Jars & Grinding 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 100 ml 250 ml 500 ml 1000 ml
Compatible Ball Weight 150 g 375 g 750 g 1500 g
Φ5 mm (0.52 g/pc) 58 pcs      
Φ10 mm (4.15 g/pc) 17 pcs 37 pcs 73 pcs  
Φ15 mm (14.00 g/pc)   8 pcs 15 pcs 65 pcs
Φ20 mm (33.20 g/pc)       18 pcs


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