SAE Specifications for Cast Steel Shot

SAE Size No.Screen No.SAE J444 Shot TolerancesScreen Opening - InScreen Opening - MM 
S780 7 0% Max 0.1110 2.80
10 85% Min 0.0787 2.00
12 97% Min 0.0661 1.70
S660 8 0% Max 0.0937 2.36
12 85% Min 0.0661 1.70
14 97% Min 0.0555 1.40
S550 10 0% Max 0.0787 2.00
14 85% Min 0.0555 1.40
16 97% Min 0.0469 1.18
S460 10 0% Max 0.0787 2.00
12 5% Max 0.0661 1.70
16 85% Min 0.0469 1.18
18 96% Min 0.0394 1.00
S390 12 0% Max 0.0661 1.70
14 5% Min 0.0555 1.40
18 85% Min 0.0394 1.00
20 96% Min 0.0331 0.850
S330 14 0% Max 0.0555 1.40
16 5% Max 0.0469 1.18
20 85% Min 0.0331 0.085
25 96% Min 0.0278 0.710
S280 16 0% Max 0.0469 1.18
18 5% Max 0.0394 1.00
25 85% Min 0.0278 0.710
30 96% Min 0.0234 0.600
S230 18 0% Max 0.0394 1.00
20 10% Max 0.0331 0.850
30 85% Min 0.0234 0.600
35 97% Min 0.0197 0.500
S170 20 0% Max 0.0331 0.850
25 10% Max 0.0278 0.710
40 85% Min 0.0165 0.425
45 97% Min 0.0139 0.355
S110 30 0% Max 0.0234 0.600
35 10% Max 0.0197 0.500
50 80% Min 0.0117 0.300
80 90% Min 0.0070 0.180
S70 40 0% Max 0.0165 0.425
45 10% Max 0.0139 0.355
80 80% Min 0.0070 0.180
120 90% Min 0.0049 0.125

Ervin AMASTEEL Standard Hardness = S (40-51 Hardness Rockwell C)

Special hardnesses:

  • M (47 – 56 Hardness Rockwell C)
  • L (54 - 61 Hardness Rockwell C)
  • H (Minimum 60 Hardness Rockwell C)
ElementSpecification
Carbon .80 - 1.2%
Manganese
S70 and S110 .35 - 1.2%
S170 .50 - 1.2%
S230 and Larger .60 - 1.2%
Silicon .40% Min
Sulfur .05% Max
Phosphorus .05% Max
CharacteristicSpecification
Internal Defects 15% Max
Cracks 15% Max
Voids 10% Max
Shrinkage 10% Max
Density 7 gm/cc
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Ervin Industries
3893 Research Park Dr
Ann Arbor, MI 48108
734-769-4600


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