30
40
50
Aluminium Alloy
1
2
3
4
5
6
8
10
12
14
16
18
20
25
30
40
50
Brass
1
2
3
4
5
6
8
10
12
14
16
18
20
Copper
1
2
3
4
5
0.8-1
10
0.4-0.5
12
0.2-0.4
12
48-52
15000
N2
12
35-38
12
25-27
12
20-22
12
15-17
14
12-14
14
8-9
14
5-7
14
2.5-3.5
16
2-3
16
1.5-2.5
16
1.3-1.8
16
0.8-1.2
18
0.5-0.7
18
0.4-0.5
20
0.25-0.3
20
0.2-0.25
20
38-40
15000
N2
12
32-37
12
20-24
12
16-19
12
13-16
14
9-11
14
6-8
14
5-6
14
2-2.2
14
1.4-1.6
16
1.2-1.3
18
1-1.2
18
0.6-0.7
18
25-30
15000
O2
5
20-25
5
18-20
6
12-14
8
8-9
8
    "