Features and description of Q235B/Q355B galvanized angle steel
Q235B galvanized angle steel
Material classification:
Q235B is a carbon structural steel, and its chemical composition includes C≤0.22%, Si≤0.35%, Mn≤1.40%, P≤0.045%, S≤0.050%, and contains a small amount of copper and other elements.
Mechanical properties:
Tensile strength: 375-500 MPa.
Yield strength: low, the specific value is not given in the search results, but it can be inferred that it is lower than Q355B.
Use:
Due to its low yield strength, Q235B is often used in small buildings and light structures.
Appearance characteristics:
After galvanizing, the surface has a silvery-white galvanized layer, which can effectively prevent corrosion.
Q355B galvanized angle steel
Material classification:
Q355B is a low-alloy high-strength steel, containing a small amount of alloying elements to improve its mechanical properties.
Mechanical properties:
Tensile strength: 470-630 MPa.
Yield strength: about 355 MPa.
Uses:
Due to its high yield strength and good comprehensive performance, Q355B is widely used in high-rise buildings, heavy machinery structures and other fields.
Appearance characteristics:
After galvanizing, the surface also has a silvery-white galvanized layer, which can effectively prevent corrosion. In addition, Q355B steel is visibly red.
Q235B and Q355B galvanized angle steels have obvious differences in material classification, mechanical properties and uses. Q235B is suitable for small buildings and light structures, while Q355B is suitable for high-rise buildings and heavy machinery structures. Both have good anti-corrosion properties after galvanizing.
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