Steel Grade Selection for Transmission Towers — Q235B vs Q345B vs Q420B, When Each Grade Makes Sense, and the Weight-Cost Trade-Off Across 110kV to 500kV Projects
The steel grade you specify for a transmission tower order determines two things: how much the tower weighs, and how much it costs. These two numbers move in opposite directions — higher-grade steel i
Apr 15, 202611 min read
