GB/T1591-2018 Q355B steel is a Chines steel grade of low alloy structural steel. We can supply Q355B steel plates, steel sheets, round bars and steel sections with various shapes. Q355B plates can be supplied in as rolled, normalized/ normalizing rolling or thermomechanical condition.
Tensile properties of Q355B steel plates have different tensile requirement under different thickness as follows.
|
Thickness mm |
≤16 |
16-40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-200 |
200-250 |
|
Yield strength MPa |
≥355 |
≥345 |
≥335 |
≥325 |
≥315 |
≥305 |
≥285 |
≥275 |
|
Tensile strength MPa |
470-630 |
470-630 |
470-630 |
470-630 |
470-630 |
450-600 |
450-600 |
450-600 |
There are various tests like chemical composition analysis, tensile testing, bend testing, impact testing, non-detective testing, size and dimension inspection and surface inspection to guarantee the Q355B plate quality.
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