Q345B steel structure,Q345B steel structure Mechanical Property

Q345B steel structure is widely used in petroleum, chemical, power station boilers making and other industries for the production of reactor.

Q345B steel structure Chemical Components

C：≤0.20%，Si≤0.50%，
Mn：≤1.70%，P≤0.035%，
S：≤0.035%，Nb≤0.07%，
V：≤0.15%，
Ti≤0.20%，
Cr≤0.30%，
Ni：≤0.50%，
Cu：≤0.30%，
N：≤0.012%，
Mo：≤0.10%

Q345B steel structure Mechanical Property:

Q345B steel structure Yield Strength:
≤16mm：≤345，
16-40mm：≤335，
40-63mm：≤325，
63—80mm：≤315，
80—100m：≤305，
100—150mm：≤285，
150—200mm：≤275.
Tensile Strength：450—630.
Elongation：＞17

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