ASTM A500 Grade A36 Seamless Welded Low Carbon Square Steel Pipe Product Description Square tube is an extruded product that is widely used for all .....
Q195 Q235 Low Carbon Black Square Steel Pipe Seamless Low Carbon Square Steel Tube Product Description Square pipe is a name for square pipe, that is, ...
Q235 Q345 SS400 Grade ERW Black Low Carbon Square Steel Pipe BS DIN GB JIS MS Steel Square Tube Product Description Square pipe is a name for square ....