Distinguishing Distinguishing Q235NH weathering steel plate quality difference method quality differ

The first can look at the quality of Q235NH weathering steel from the appearance, look at the appearance of the steel plate is not smooth enough lubrication, flatness or lubrication better steel plate quality is also better.

Followed by the fine crack of Q235NH weathering steel, some people may think that the crack is not good, in fact, the finer the crack of the steel plate, the higher the hardness, the more wear-resistant, the service life will be longer.

Must be clear about the detailed thickness of Q235NH weathering steel, and the delivery of Q235NH weathering steel, there are casting and rolling, casting is very rough, low density, low price, so generally want to ask clear selection of rolling, solid solution delivery.