rectangular steel pipe
gradeST37-2,ST52-3,Q195,Q235,Q345
thickness:0.4-25mm
dimension:10*20mm-300*500mm
rectangular steel pipe
gradeST37-2,ST52-3,Q195,Q235,Q345
thickness:0.4-25mm
dimension:10*20mm-300*500mm
application:machinery,processing, automobile manufacturing, shipbuilding
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