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Introduction
Medias’ steel shot and grit are specially manufactured in Japan and
Korea. Users of Medias abrasives are assured that the abrasives satisfy all
performance requirements in terms of efficiency, effectiveness, lanour and
cost saving, and longer life.
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Medias steel shot and grit are used for
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Preparing surfaces
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Cleaning the toughest forgings
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Etching mill rolls
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Brightening finishes
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Specifications
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Medias Steel Shot and Grit Specifications
| Property size |
Shot |
GP |
GL |
GH |
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All materials are screened
to meet or exceed SAE and SFS specs. |
| Chemistry
Carbon, C
Manganese,Mn
Silicon, Si
Sulphur,S
Phosphorus, P |
0.85-1.20
0.60-1.00
0.50-1.00
less than 0.05
less than 0.05 |
| Ave Hardness (HRc) |
40-50 |
46-50 |
56-60 |
63-65 |
| Average Hardness D. |
Maximum deviation is
±3.0 HRc. Hardness is tested with a Vickers
Microhardness Tester with a Vickers indenterHRc. Hardness is tested with
a Vicker Microhardness Tester vith Vickers indenter |
| Microstructure |
Highly refined and homogenous tempered
martensite and bainite |
Martensite and retained austenite |
Minimum Density
(as determined by displacement of alcohol) |
7.4 g/cc |
7.6 g/cc |
7.6 g/cc |
7.6 g/cc |
Shot Size Specifications
Screen Opening sizes and screen numbers with max. and min. cumulative percentage allowed on corresponding screens
Grit Size Specifications
Screen Opening sizes and screen numbers with max. and min. cumulative percentage allowed on corresponding screens
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© 2000 Medias Industrial Products Sdn Bhd
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