GB / T8163 Q345B Tubo sin soldadura:
Grado |
C |
Si |
Mn |
P≤ |
S≤ |
Ni≤ |
Cu≤ |
Cr≤ |
Q345B |
≤0.20 |
≤0.55 |
1.00-1.60 |
0.040 |
0.040 |
0.30 |
0.30 |
0.30 |
Grado
|
Yield Strength (Mpa) |
Tensile Strength (MPa) |
Elongation (%) |
|
Q345B |
≤16mm |
>16 |
490-665 |
≥21 |
≥325 |
≥315 |
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