4. Commonly used steel grades and performance of steel Carbon structural steel:Q195, Q215, Q235, Q255, Q275, Q345, etc.; High-strength low-alloy structural steel; Quality carbon structural steel and alloy structural steel. Special purpose steel
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H-Beam vs I-Beam:What's the Difference? Tampa Steel H-beams are shaped like an H. H-beam is a structural beam made of rolled steel. It is incredibly strong. It gets its name because it looks like a capital H over its cross section. What is an I-Beam? An l -beam is shaped like an I. The I beam consists of two horizontal planes, known as flanges, connected by one vertical component, or the web.
If only compare the mechanical properties of these grades, it is found that the mechanical properties of A36 and high quality carbon structural steel 20# are quite similar to each other. Tensile strength of 20# steel is not less than 410, yield strength is not less than 245, and mechanical properties of
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