What is the difference between S275 and S355 steel?
S275 provides a lower strength (than S355) but has good machinability and can be welded. The average minimum yield for S275 steel is 275 N/mm² giving its name: S275.
What is the difference between C channel and U channel?
The channel ceiling grid can support lights, manufacturing tools or others. What kinds of steel channel sizes you provide? Steel channel has been classified into "C" and "U" types depending on its outlook