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 different sizes of mixed stainless steel balls.
Item No. : DECO-SS-(0.1L~5L)
Material : stainless steel (Fe-Cr-Ni)
Grinding Jar Volume : 50ml to 5000ml
Max Loading Capacity : 2/3 capacity of the grinding jar
Dimension : OEM/ODM
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
Abrasion Resistance : fairly good
Suitable for : medium-hard, brittle samples
Dimensions (OEM/ODM service)
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
Compatible Ball Weight
Φ5 mm (0.52 g/pc)
Φ10 mm (4.15 g/pc)
Φ15 mm (14.00 g/pc)
Φ20 mm (33.20 g/pc)
These values are just clues: the number of the balls should be determined experimentally if necessary.
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