Grade |
Quality |
Ladle Analysis, Percent, Max |
Carbon Equivalent (CE), Max |
Mode of Deoxidation |
||||
C |
Mn |
S |
P |
Si |
||||
E 250 |
BR |
0.22 |
1.50 |
0.045 |
0.045 |
0.040 |
0.41 |
Semi-killed/killed
|
Grade |
Quality |
Tensile Strength (Rm , Min MPa1) |
Yield Stress |
Percentage Elongation A Min at Gauge Length, Lo=5.65 |
Internal Bend Diameter Min |
Charpy Impact Test |
||||
<20 |
20-40 |
>40 |
≤25 |
>25 |
Temp Min oC |
Min1 |
||||
E 250 |
BR |
410 |
250 |
240 |
230 |
23 |
2r |
3r |
RT |
27 |