SA516Gr.60 (HIC) steel plate is mainly used in the manufacture of equipment used in wet hydrogen sulfide environment, such as: liquefied petroleum gas desulfurization system, catalytic cracking stable absorption system, atmospheric and vacuum distillation tower condensation system, etc. The material RE 32 low alloy steel ship plate has the characteristics of high purity, low P, low S, good uniformity of structure and mechanical properties, resistance to hydrogen cracking and sulfide stress corrosion.
BEBON has been engaged in the piping industry as a professional manufacturer and supplier of steel plates, ship plates, corten steel, pressure vessels, RE 32 low alloy steel ship plate steel pipelines, seamless pipe and ERW pipes since the inception. We provide integrated solutions to whole-package procurement covering miscellaneous ferrous and non-ferrous piping components. The products are widely used in oil & gas project, subsea or offshore platform piping, RE 32 low alloy steel ship plate chemical & pharmaceutical pipeline, power plant, sewage treatment, water supply piping, heat exchange application.
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 RE 32 low alloy steel ship plate are higher than that of annealed RE 32 low alloy steel ship plate, but the elimination of internal stress is not as good as annealing. The normalizing operation of RE 32 low alloy steel ship plate is simple, the cost is low, the productivity is high, and it is widely used in actual production.
The effect of nitrogen (N) on the properties of RE 32 low alloy steel ship plate 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 RE 32 low alloy steel ship plate 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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