The effect of nitrogen on the properties of steel is similar to that of carbon and phosphorus. With the increase of nitrogen content, the strength, plasticity, especially toughness, weldability and cold brittleness of steel can be significantly increased, and the aging tendency, cold brittleness and hot brittleness will be increased, which will damage the weldability and cold bending properties of steel. Therefore, the nitrogen content in steel should be reduced and restricted as far as possible. It is generally stipulated that the nitrogen content should not be higher than 0.018%.

Nitrogen can be used as alloying element of low alloy steel to reduce its adverse effects and improve the properties of steel when combined with Al, Nb, V and other elements. Some brands of stainless steel, properly increasing the content of N, can reduce the use of Cr, can effectively reduce costs.

Stainless steel pipe,stainless steel sheet,stainless steel bar,stainless steel coil/strip.

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