Key Differences between Steel Grades Q235, Q355 and Q420 in Transmission Project
Dec 27, 2023
Here is a comparison of the key differences between steel grades Q235, Q355, and Q420 used in transmission tower manufacturing: ①Yield Strength - This indicates the stress needed to permanently deform the steel. Q235 has a yield strength of 235 MPa, Q355 has 355 MPa, and Q420 has 420 MPa. The higher the yield strength, the more load the steel can withstand before bending. ②Ten...
Read More