Steel shot is one of the most important blasting materials available on the market.
They are also obtained artificially and have a relevant application as a blasting material.
The main characteristics that give them such importance are:
TYPES OF SHOCK
Spherical Steel Shots (STEEL SHOT)
They are supplied in various specifications.
They are used for the elimination of larger burrs, for some cases of cleaning and finishing and also indispensable for high intensity shot peening. Operating costs are small due to their long service life (300 to 400 cycles) and low abrasion.
Angled Steel Shots (STEEL GRIT)
ASTM E 11-70 Sieve No. | OPEN OF Sieve (mm) | GRANULOMETRIC SPECIFICATION OF SPHERIC GRINDER | |||||||||||
SAE S 930 | SAE S 780 | SAE S 660 | SAE S 550 | SAE S 460 | SAE S 390 | SAE S 330 | SAE S 280 | SAE S 230 | SAE S 170 | SAE S 110 | SAE S 70 | ||
6th | 3,350 | 0 | – | – | – | – | – | – | – | – | – | – | – |
7th | 2,800 | -90% min | 0 | – | – | – | – | – | – | – | – | – | – |
8th | 2,360 | 97% min | – | 0 | – | – | – | – | – | – | – | – | – |
10 | 2,000 | – | 85% min | – | 0 | 0 | – | – | – | – | – | – | – |
12 | 1,700 | – | 97% min | 85% min | – | 5% max | 0 | – | – | – | – | – | – |
14th | 1,400 | – | – | 97% min | 85% min | – | 5% max | 0 | – | – | – | – | – |
16 | 1,180 | – | – | – | 97% min | 85% min | – | 5% max | 0 | – | – | – | – |
18 | 1,000 | – | – | – | – | 96% min | 85% min | – | 5% max | 0 | – | – | – |
20 | 850 | – | – | – | – | – | 96% min | 85% min | – | 10% max | 0 | – | – |
25 | 710 | – | – | – | – | – | – | 96% min | 85% min | – | 10% max | – | – |
30 | 600 | – | – | – | – | – | – | – | 96% min | 85% min | – | 0 | – |
35 | 500 | – | – | – | – | – | – | – | – | 97% min | – | 10% max | – |
40 | 425 | – | – | – | – | – | – | – | – | – | 85% min | – | 0 |
45 | 355 | – | – | – | – | – | – | – | – | – | 97% min | – | 10% max |
50 | 300 | – | – | – | – | – | – | – | – | – | – | 80% min | – |
80 | 180 | – | – | – | – | – | – | – | – | – | – | 90% min | 80% min |
120 | 125 | – | – | – | – | – | – | – | – | – | – | – | 90% min |
ASTM E 11-70 Sieve No. | SCREEN OPENING (mm) | GRANULOMETRIC SPECIFICATION OF ANGULAR GRILL | |||||||||
SAE G 10 | SAE G 12 | SAE G 14 | SAE G 16 | SAE G 18 | SAE G 25 | SAE G 40 | SAE G 50 | SAE G 80 | SAE G 120 | ||
7th | 2,800 | 0 | – | – | – | – | – | – | – | – | – |
8th | 2,360 | – | 0 | – | – | – | – | – | – | – | – |
10 | 2,000 | 90% min | – | 0 | – | – | – | – | – | – | – |
12 | 1,700 | 97% min | 80% min | – | 0 | – | – | – | – | – | – |
14th | 1,400 | – | 90% min | 80% min | – | 0 | – | – | – | – | – |
16 | 1,180 | – | – | 90% min | 75% min | – | 0 | – | – | – | – |
18 | 1,000 | – | – | – | 85% min | 75% min | – | 0 | – | – | – |
25 | 710 | – | – | – | – | 85% min | 75% min | – | 0 | – | – |
40 | 425 | – | – | – | – | – | 80% min | 70% min | – | 0 | – |
50 | 300 | – | – | – | – | – | – | 80% min | 65% min | – | 0 |
80 | 180 | – | – | – | – | – | – | – | 80% min | 65% min | – |
120 | 125 | – | – | – | – | – | – | – | – | 75% min | 65% min |
200 | 75 | 70% min |
Roughness
How to define a roughness?
Roughness is the shape of the surface profile (peaks and valleys).
It has a great influence on the adhesion of the coating and its support and must be homogeneous and adapted to the applied coating.
Roughness can be characterized by several parameters:
Click here to download the PDF file with some of the parameters.
Phone
+55 (11) 3388-3534
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Aclimação, São Paulo - SP
E-mail:
zirtec@zirtec.com.br