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Radiographic Equivalence Chart
X-Rays Kv
Gamma Rays
50
100
150
220
400
1000
2000
IR 192
CE-137
CO-60
Magnesium
0.6
0.6
0.05
0.08
0.22
0.22
0.22
Aluminum
1.0
1.0
0.12
0.18
0.34
0.34
0.34
Titanium
8.0
0.63
0.71
0.71
0.9
0.9
0.9
0.9
0.9
Steel
12.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Copper
18.0
1.6
1.4
1.4
1.1
1.1
1.1
1.1
1.1
Zinc
1.4
1.3
1.3
1.1
1.0
1.1
1.0
1.0
Brass
1.4
1.3
1.3
1.2
1.2
1.1
1.1
1.0
Lead
14.0
12.0
5.0
2.5
4.0
3.2
2.3

 

 

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