|
Grade |
Composition, % |
|||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
Others |
|
|
max |
max |
max |
max |
|||||
|
1 |
0.3 |
0.40–1.06 |
0.025 |
0.025 |
… |
... |
... |
... |
|
3 |
0.19 |
0.31–0.64 |
0.025 |
0.025 |
0.18–0.37 |
… |
... |
... |
|
4 |
0.12 |
0.50–1.05 |
0.025 |
0.025 |
0.08–0.37 |
0.44–1.01 |
... |
... |
|
6 |
0.3 |
0.29–1.06 |
0.025 |
0.025 |
0.10 min |
0.30 max |
0.12 |
... |
|
7 |
0.19 |
0.90 max |
0.025 |
0.025 |
0.13–0.32 |
… |
… |
... |
|
8 |
0.13 |
0.90 max |
0.025 |
0.025 |
0.13–0.32 |
… |
... |
... |
|
9 |
0.2 |
0.40–1.06 |
0.025 |
0.025 |
… |
… |
... |
... |
|
10 |
0.2 |
1.15–1.50 |
0.035 |
0.015 |
0.10–0.35 |
0.15 max |
0.05 |
... |
|
11 |
0.1 |
0.60 max |
0.025 |
0.025 |
0.35 max |
0.50 max |
0.50 max |
... |
|
|
1 |
3 |
4 |
6 |
7 |
8 |
9 |
10 |
11 |
|
Tensile strength, min: |
|
|
|
|
|
|
|
|
|
|
ksi |
55 |
65 |
60 |
60 |
65 |
100 |
63 |
80 |
65 |
|
Mpa |
380 |
450 |
415 |
415 |
450 |
690 |
435 |
550 |
450 |
|
Yield strength, min: |
|
|
|
|
|
|
|
|
|
|
ksi |
30 |
35 |
35 |
35 |
35 |
75 |
46 |
65 |
35 |
|
MPa |
205 |
240 |
240 |
240 |
240 |
515 |
315 |
450 |
240 |
