|
|
Chemistry
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|
GRADES
|
1008
|
|
1010
|
|
1020
|
|
1026
|
| |
Chemical
Analysis
%
|
|
Carbon
|
|
0.10 max.
|
|
0.08-0.13
|
|
0.17-0.23
|
|
0.22-0.28
|
|
Manganese
|
0.25-0.50
|
0.30-0.60
|
0.30-0.60
|
0.60-0.90
|
|
Phosphorus, max
|
0.025
|
0.025
|
0.025
|
0.025
|
|
Sulphur, max
|
0.015
|
0.015
|
0.015
|
0.015
|
|
Silicon
|
|
|
|
|
|
Chromium
|
|
|
|
|
|
Molybdenum
|
|
|
|
|
|
Vanadium
|
|
|
|
|
|
| |
As-Welded
|
Standard
Mechanical
Properties*
(Min.)
|
|
Yield Strength,
Ksi
|
|
30
|
|
32
|
|
38
|
|
45
|
Tensil Strength,
Ksi
|
42
|
45
|
52
|
62
|
Elongation
(% in 2" or 50mm)
|
15
|
15
|
12
|
12
|
|
Hardness Rb
|
50
|
55
|
62
|
68
|
| |
|
| |
Normalized
|
|
|
|
Yield Strength,
Ksi
|
|
23
|
|
25
|
|
35
|
|
40
|
Tensil Strength,
Ksi
|
38
|
40
|
50
|
60
|
Elongation
(% in 2" or 50mm)
|
30
|
30
|
25
|
25
|
|
Hardness Rb
|
65 max.
|
65 max.
|
75 max.
|
85 max.
|
|
|
|
|
