Supply hot rolled Q345B steel coil

Q345 is a kind of steel material. It is a low-carbon alloy steel (c<0.2%), with good overall performance, good low temperature performance, cold stamping performance, welding performance and machinability. Q represents the yield of this material, and the latter 345 refers to the yield value of this material, which is around 345MPa. And as the thickness of the Q345 material increases, its yield value decreases.
 
Consists of Q+number+quality grade symbol+deoxygenation method symbol. Its steel number is prefixed with Q, which represents the yield point of the steel, and the following number represents the value of the yield point. The unit is MPa. For example, Q235 represents the carbon structural steel I with a yield point (Rel) of 235 MPa. When the brick carving requires the steel plate to have thickness direction performance, add the symbol representing the thickness direction (Z direction) performance level after the grade, for example: Q345BZ15.
 
If necessary, a symbol indicating the quality level and deoxidation method can be marked after the steel number. The quality grade symbols are A, B, C, D, E. Symbol of deoxidation method: F means boiling steel; b means semi-killed steel: Z means killed steel; TZ means special killed steel. Killed steel may not be marked with symbols, that is, both Z and TZ may not be marked. For example, Q235-AF means A-grade boiling steel.
 
③ Carbon steel for special purposes, such as bridge steel, ship steel, etc., basically uses the expression method of carbon structural steel, but the letter indicating the purpose is added after the steel number .
 
Hot rolled Q345B steel coils are widely used in bridges, vehicles, ships, buildings, pressure vessels, etc. Supply hot rolled Q345B steel coil with competitive price.

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