Influence of the Trace Boron Element on Corrosion Behavior of 1Cr17 Stainless Steel in 10% Hcl Solution

Abstract:

Four groups of 1Cr17 stainless steel with diffirent wt% of boron ( 0ppm, 16ppm, 22ppm and 28ppm ) were smelted by a vacuum induction furnace. Then chemical immersion and electrochemical method (the tafel polarization curve method) were used to investigate their corrosion behavior at different temperature (25 °C, 40 °C) in HCL medium . The results show that after adding Boron elements of the 1Cr17 stainless steel sample, it is obvious that its resistance to general corrosion increases and the resistance to intergranular corrosion weakens; at different temperature (25°C, 40°C)in 10% hydrochloric acid solution medium the Corrosion kinetics law are different, while with B element content increases, the immersion corrosion rate decreases. in the reducing hydrochloric acid solution, sample with boron elements show a good behavior on corrosion resistance.

• Periodical: Advanced Materials Research (Volume 648)
• Pages: 67-72
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.648.67
• Online since: January 2013
• Authors: Tie Ming Guo, Zhi Hui, Xue Li Nan, Chang Song Han, Ding Cang Zhang
• Keywords: 1Cr17 Stainless Steel, Boron, Corrosion Resistance, Hydrochloric Acid

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