5 4.0
0 2
2 9
2
2 9
2 1
9
8
3 3
1
1 3
4.0
5 2
2 3
2
2 3
2 0
9
7
3 2
1
1 0
4.1
0 2
1 7
2
1 7
1 8
9
6
3 1
1
0 7
4.1
5 2
1 2
2
1 2
1 7
9
6
3 1
1
0 4
4.2
0 2
0 7
2
0 7
1 6
9
5
3 0
1
0 1
4.2
5 2
0 2
2
0 2
1 5
9
4
3 0
9
9
4.3 0
1 9
7
1 9
7 1
3
9 3
2
9
9 7
4.3
5 1
9 2
1
9 2
1 2
9
2
2 8
9
5
4.4 0
1 8
7
1 8
7 1
0
9 1
2
8
9 3
4.4
5 1
8 3
1
8 3
9
9 0
2
7
9 1
4.5
0 1
7 9
1
7 9
8
8 9
2
7
8 9
4.5
5 1
7 4
1
7 4
7
8 8
2
6
8 7
4.6
0 1
7 0
1
7 0
6
8 7
2
6
8 5
4.6
5 1
6 6
1
6 6
4
8 6
2
5
8 3
4.7
0 1
6 3
1
6 3
3
8 5
2
5
8 2
4.7
5 1
5 9
1
5 9
2
8 4
2
4
8 0
4.8
0 1
5 6
1
5 6
1
6 3
2
4
7 8
4.8
5 1
5 3
1
5 3
8 2
2
3
7 6
4.9
0 1
4 9
1
4 9
6 1
2
3
7 5
4.9
5 1
4 6
1
4 6
8 0
2
2
7 4
5.0
0 1
4 3
1
4 3
7 9
2
2
7 2
5.0
5 1
4 0
1
4 0
7 8
2
1
7 1
5.1
0 1
3 7
1
3 7
7 7
2
1
7 0
5.1
5 1
3 4
1
3 4
7 6
2
1
6 8
5.2
0 1
3 1
1
3 1
7 4
2
0
6 6
5.2
5 1
2 8
1
2 8
7 3
2
0
6 5
5.3
0 1
2 6
1
2 6
7 2
6
4
5.3 5
1 2
4
1 2
4 7
1
6 3
5.4
0 1
2 1
1
2 1
7 0
6
2
5.4 5
1 1
8
1 1
8 6
9
6 1
5.5
0 1
1 6
1
1 6
6 8
6
0
5.5 5
1 1
4
1 1
4 6
7
5 9
5.6
0 1
1 2
1
1 2
6 6
5
8
5.6 5
1 0
9
1 0
9 6
5
5 6
5.7
0 1
0 7
1
0 7
6 4
5
6
5.7 5
1 0
5
1 0
5 6
2
5 4
5.8
0 1
0 3
1
0 3
6 1
5
3
5.8 5
1 0
1
1 0
1 6
0
5 2
5.9
0 9
9
9 9
5 9
5
1
5.9 5
9 7
9
7 5
7
5 0
6.0
0 9
5
9 5
5 6
4
9
Hardness Conversion
Chart (cont’d.) BRINELL
C
B Dia.
in mm, Vickers
or 150 kg.l load
100 kg. load
Tensile 3000
kg. load Hardness
Firth 120o
Diamond 1/16
in.dia. Scleroscope
Strength 10
mm. ball No.
Hardness No.
Cone ball
No. 1000
psi.
ROCKWELL
