Q235NH weathering steel plate has good toughness

Fake and inferior steel plates are easy to scratch because of the simple equipment of the manufacturers of fake and inferior materials, which are easy to produce burrs and scratch the surface of the steel plate. Deep scratches reduce the strength of the Q235NH weathering steel plate, steel plate. The surface of the fake and inferior material is prone to cracks, because its billet is adobe, which has many pores. The adobe is subjected to thermal stress during the cooling process, and cracks are generated, and there will be cracks after rolling.

Normalizing is to heat the steel parts to 30~80℃above the critical temperature for a period of time. Then the parts are taken out of the furnace and cooled in air. Since the cooling rate of normalizing is faster than that of annealing, the strength and hardness of normalized Q235NH weathering steel plate are higher than that of annealed Q235NH weathering steel plate, but the elimination of internal stress is not as good as annealing. The normalizing operation of Q235NH weathering steel plate is simple, the cost is low, the productivity is high, and it is widely used in actual production.

The main varieties of hot-rolled steel plates are ordinary carbon steel, low alloy steel, container plate, weathering steel, pipeline steel, hot-rolled steel strip for automobiles, ship plate, gas cylinder steel, boiler and pressure vessel plate, Q235NH weathering steel plate. Hot-rolled steel strips are processed into different finishing lines to become steel plate, flat coil and slit steel strip products. Our hot-rolled steel plates are widely used in automobiles, machinery, ships, bridges, construction, pressure vessels, pipeline transportation, automotive industry.

Our company has its own steel plate manufacturing plant, processing plant and steel pipe plant. We can machine the steel according to the Q235NH weathering steel plate customer's requirements and meet the customer's requirements. If you want to ask any questions about steel products, please contact us directly. Our customer service staff will give you a detailed answer. If you want to purchase Q235NH weathering steel plate steel products, please tell me your specific needs, we have professional business personnel to communicate with you.