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1-3/4 inch p460nl2 material price

The boiler steel plate is a steel plate because all the containers have to withstand different pressures and strengths. Normal pressure is generally 31.4MPa or higher; the working temperature is usually between -20℃-450℃, and some are lower than -20℃. In order to enable the container to withstand higher pressure and reduce the weight of the structure itself, in addition to high-quality carbon steel, the steel material for the container is currently mostly low-alloy structural steel P460Nl2 material.

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The hardenability of P460Nl2 material alloy steel mainly depends on the carbon content, which is slightly higher than that of carbon steel with the same carbon content, but the hardenability and tempering stability of alloy steel are obviously improved. Therefore, P460Nl2 material alloy steel is suitable for stainless steel engineering with large section size.

The effect of nitrogen (N) on the properties of P460Nl2 material and so on steel is similar to that of carbon and phosphorus. With the increase of nitrogen content, the strength of steel can be significantly improved, especially the plasticity, especially toughness, and the weldability will be decreased, and the cold brittleness will be intensified. At the same time, aging tendency, cold brittleness and hot brittleness will be increased, which will damage the weldability and cold bending property of steel. Therefore, the nitrogen content in P460Nl2 material and so on steel should be reduced and limited as much as possible. Generally, nitrogen content should not be higher than 0.018%.

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